X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c0a66d92372d38600f2b993a541f5788064fba2d..511383f91b1443d576276c826fdfd5286f9dbbdb:/src/common/datavcmn.cpp

diff --git a/src/common/datavcmn.cpp b/src/common/datavcmn.cpp
index e4b770d704..d021c5ba92 100644
--- a/src/common/datavcmn.cpp
+++ b/src/common/datavcmn.cpp
@@ -26,693 +26,305 @@
 const wxChar wxDataViewCtrlNameStr[] = wxT("dataviewCtrl");
 
 
-// ---------------------------------------------------------
-// wxDataViewListModel
-// ---------------------------------------------------------
-
-wxDataViewListModel::wxDataViewListModel()
+bool operator == (const wxDataViewItem &left, const wxDataViewItem &right)
 {
-    m_notifiers.DeleteContents( true );
+    return (left.GetID() == right.GetID() );
 }
 
-wxDataViewListModel::~wxDataViewListModel()
-{
-}
 
-bool wxDataViewListModel::RowAppended()
-{
-    bool ret = true;
-
-    wxList::compatibility_iterator node = m_notifiers.GetFirst();
-    while (node)
-    {
-        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
-        if (!notifier->RowAppended())
-            ret = false;
-        node = node->GetNext();
-    }
+// ---------------------------------------------------------
+// wxDataViewModel
+// ---------------------------------------------------------
 
-    return ret;
-}
+#include <wx/listimpl.cpp>
+WX_DEFINE_LIST(wxDataViewModelNotifiers);
 
-bool wxDataViewListModel::RowPrepended()
+wxDataViewModel::wxDataViewModel()
 {
-    bool ret = true;
-
-    wxList::compatibility_iterator node = m_notifiers.GetFirst();
-    while (node)
-    {
-        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
-        if (!notifier->RowPrepended())
-            ret = false;
-        node = node->GetNext();
-    }
-
-    return ret;
+    m_notifiers.DeleteContents( true );
+    m_sortingColumn = 0;
+    m_ascending = true;
 }
 
-bool wxDataViewListModel::RowInserted( unsigned int before )
+bool wxDataViewModel::ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item )
 {
     bool ret = true;
 
-    wxList::compatibility_iterator node = m_notifiers.GetFirst();
-    while (node)
+    wxDataViewModelNotifiers::iterator iter;
+    for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
     {
-        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
-        if (!notifier->RowInserted(before))
+        wxDataViewModelNotifier* notifier = *iter;
+        if (!notifier->ItemAdded( parent, item ))
             ret = false;
-        node = node->GetNext();
     }
 
     return ret;
 }
 
-bool wxDataViewListModel::RowDeleted( unsigned int row )
+bool wxDataViewModel::ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item )
 {
     bool ret = true;
 
-    wxList::compatibility_iterator node = m_notifiers.GetFirst();
-    while (node)
+    wxDataViewModelNotifiers::iterator iter;
+    for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
     {
-        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
-        if (!notifier->RowDeleted( row ))
+        wxDataViewModelNotifier* notifier = *iter;
+        if (!notifier->ItemDeleted( parent, item ))
             ret = false;
-        node = node->GetNext();
     }
 
     return ret;
 }
 
-bool wxDataViewListModel::RowChanged( unsigned int row )
+bool wxDataViewModel::ItemChanged( const wxDataViewItem &item )
 {
     bool ret = true;
 
-    wxList::compatibility_iterator node = m_notifiers.GetFirst();
-    while (node)
+    wxDataViewModelNotifiers::iterator iter;
+    for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
     {
-        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
-        if (!notifier->RowChanged( row ))
+        wxDataViewModelNotifier* notifier = *iter;
+        if (!notifier->ItemChanged( item ))
             ret = false;
-        node = node->GetNext();
     }
 
     return ret;
 }
 
-bool wxDataViewListModel::ValueChanged( unsigned int col, unsigned int row )
+bool wxDataViewModel::ValueChanged( const wxDataViewItem &item, unsigned int col )
 {
     bool ret = true;
 
-    wxList::compatibility_iterator node = m_notifiers.GetFirst();
-    while (node)
+    wxDataViewModelNotifiers::iterator iter;
+    for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
     {
-        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
-        if (!notifier->ValueChanged( col, row ))
+        wxDataViewModelNotifier* notifier = *iter;
+        if (!notifier->ValueChanged( item, col ))
             ret = false;
-        node = node->GetNext();
     }
 
     return ret;
 }
 
-bool wxDataViewListModel::RowsReordered( unsigned int *new_order )
+bool wxDataViewModel::Cleared()
 {
     bool ret = true;
 
-    wxList::compatibility_iterator node = m_notifiers.GetFirst();
-    while (node)
+    wxDataViewModelNotifiers::iterator iter;
+    for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
     {
-        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
-        if (!notifier->RowsReordered( new_order ))
+        wxDataViewModelNotifier* notifier = *iter;
+        if (!notifier->Cleared())
             ret = false;
-        node = node->GetNext();
     }
 
     return ret;
 }
 
-bool wxDataViewListModel::Cleared()
+void wxDataViewModel::Resort()
 {
-    bool ret = true;
-
-    wxList::compatibility_iterator node = m_notifiers.GetFirst();
-    while (node)
+    wxDataViewModelNotifiers::iterator iter;
+    for (iter = m_notifiers.begin(); iter != m_notifiers.end(); ++iter)
     {
-        wxDataViewListModelNotifier* notifier = (wxDataViewListModelNotifier*) node->GetData();
-        if (!notifier->Cleared())
-            ret = false;
-        node = node->GetNext();
+        wxDataViewModelNotifier* notifier = *iter;
+        notifier->Resort();
     }
-
-    return ret;
 }
 
-void wxDataViewListModel::AddNotifier( wxDataViewListModelNotifier *notifier )
+void wxDataViewModel::AddNotifier( wxDataViewModelNotifier *notifier )
 {
-    m_notifiers.Append( notifier );
+    m_notifiers.push_back( notifier );
     notifier->SetOwner( this );
 }
 
-void wxDataViewListModel::RemoveNotifier( wxDataViewListModelNotifier *notifier )
+void wxDataViewModel::RemoveNotifier( wxDataViewModelNotifier *notifier )
 {
     m_notifiers.DeleteObject( notifier );
 }
 
-// ---------------------------------------------------------
-// wxDataViewSortedListModelNotifier
-// ---------------------------------------------------------
-
-class wxDataViewSortedListModelNotifier: public wxDataViewListModelNotifier
+int wxDataViewModel::Compare( const wxDataViewItem &item1, const wxDataViewItem &item2 )
 {
-public:
-    wxDataViewSortedListModelNotifier( wxDataViewSortedListModel *model )
-        { m_model = model; }
-        
-    virtual bool RowAppended()
-        { return m_model->ChildRowAppended(); }
-
-    virtual bool RowPrepended()
-        { return m_model->ChildRowPrepended(); }
-
-    virtual bool RowInserted( unsigned int before )
-        { return m_model->ChildRowInserted( before ); }
-
-    virtual bool RowDeleted( unsigned int row )
-        { return m_model->ChildRowDeleted( row ); }
-
-    virtual bool RowChanged( unsigned int row )
-        { return m_model->ChildRowChanged( row ); }
+    // sort branches before leaves
+    bool item1_is_container = IsContainer(item1);
+    bool item2_is_container = IsContainer(item2);
 
-    virtual bool ValueChanged( unsigned int col, unsigned int row )
-        { return m_model->ChildValueChanged( col, row); }
-
-    virtual bool RowsReordered( unsigned int *new_order )
-        { return m_model->ChildRowsReordered( new_order ); }
-
-    virtual bool Cleared()
-        { return m_model->ChildCleared(); }
+    if (item1_is_container && !item2_is_container)
+        return 1;
+    if (item2_is_container && !item1_is_container)
+        return -1;
 
-    wxDataViewSortedListModel *m_model;
-};
+    wxVariant value1,value2;
+    GetValue( value1, item1, m_sortingColumn );
+    GetValue( value2, item2, m_sortingColumn );
 
-// ---------------------------------------------------------
-// wxDataViewSortedListModel compare function
-// ---------------------------------------------------------
+    if (!m_ascending)
+    {
+        wxVariant temp = value1;
+        value1 = value2;
+        value2 = temp;
+    }
 
-int wxCALLBACK wxDataViewListModelSortedDefaultCompare
-      (unsigned int row1, unsigned int row2, unsigned int col, wxDataViewListModel* model )
-{
-    wxVariant value1,value2;
-    model->GetValue( value1, col, row1 );
-    model->GetValue( value2, col, row2 );
     if (value1.GetType() == wxT("string"))
     {
         wxString str1 = value1.GetString();
         wxString str2 = value2.GetString();
-        return str1.Cmp( str2 );
-    }
+        int res = str1.Cmp( str2 );
+        if (res) return res;
+    } else
     if (value1.GetType() == wxT("long"))
     {
         long l1 = value1.GetLong();
         long l2 = value2.GetLong();
-        return l1-l2;
-    }
+        long res = l1-l2;
+        if (res) return res;
+    } else
     if (value1.GetType() == wxT("double"))
     {
         double d1 = value1.GetDouble();
         double d2 = value2.GetDouble();
-        if (d1 == d2) return 0;
         if (d1 < d2) return 1;
-        return -1;
-    }
+        if (d1 > d2) return -1;
+    } else
     if (value1.GetType() == wxT("datetime"))
     {
         wxDateTime dt1 = value1.GetDateTime();
         wxDateTime dt2 = value2.GetDateTime();
-        if (dt1.IsEqualTo(dt2)) return 0;
         if (dt1.IsEarlierThan(dt2)) return 1;
-        return -1;
+        if (dt2.IsEarlierThan(dt1)) return -11;
     }
 
-    return 0;
-}
+    // items must be different
+    unsigned long litem1 = (unsigned long) item1.GetID();
+    unsigned long litem2 = (unsigned long) item2.GetID();
 
-int wxCALLBACK wxDataViewListModelSortedDefaultCompareDescending
-      (unsigned int row1, unsigned int row2, unsigned int col, wxDataViewListModel* model )
-{
-    return wxDataViewListModelSortedDefaultCompare( row2, row1, col, model );
-}
-
-static wxDataViewListModelCompare   s_CmpFunc;
-static wxDataViewListModel         *s_CmpModel;
-static unsigned int                 s_CmpCol;
-
-int LINKAGEMODE wxDataViewIntermediateCmp( unsigned int row1, unsigned int row2 )
-{
-    return s_CmpFunc( row1, row2, s_CmpCol, s_CmpModel );
+    if (!m_ascending)
+        return litem2-litem1;
+    return litem1-litem2;
 }
 
 // ---------------------------------------------------------
-// wxDataViewSortedListModel
+// wxDataViewIndexListModel
 // ---------------------------------------------------------
 
-wxDataViewSortedListModel::wxDataViewSortedListModel( wxDataViewListModel *child ) :
-  m_array( wxDataViewIntermediateCmp )
-{
-    m_child = child;
-    
-    m_ascending = true;
-
-    m_notifierOnChild = new wxDataViewSortedListModelNotifier( this );
-    m_child->AddNotifier( m_notifierOnChild );
-    
-    m_child->IncRef();
-
-    Resort();
-}
-
-wxDataViewSortedListModel::~wxDataViewSortedListModel()
-{
-    DetachChild();
-}
-
-void wxDataViewSortedListModel::DetachChild()
+wxDataViewIndexListModel::wxDataViewIndexListModel( unsigned int initial_size )
 {
-    if (m_child)
-    {
-        m_child->RemoveNotifier( m_notifierOnChild );
-        m_child->DecRef();
-    }
-    
-    m_child = NULL;
-}
-
-// FIXME
-void wxDataViewSortedListModel::InitStatics()
-{
-    s_CmpCol = 0;
-    s_CmpModel = m_child;
-    if (m_ascending)
-        s_CmpFunc = wxDataViewListModelSortedDefaultCompare;
-    else
-        s_CmpFunc = wxDataViewListModelSortedDefaultCompareDescending;
-}
-
-void wxDataViewSortedListModel::Resort()
-{
-    InitStatics();
-    
-    if (!m_child) return;
-    
-    unsigned int n = m_child->GetRowCount();
-    
+    // build initial index
     unsigned int i;
-    if (n != m_array.GetCount())
-    {
-        // probably sorted for the first time -> no reordered
-        // -- just create index and leave
-        m_array.Clear();
-        for (i = 0; i < n; i++)
-            m_array.Add( i );
-        return;
-    }
-    
-    unsigned int *old_array = new unsigned int[ n ];
-
-    for (i = 0; i < n; i++)
-        old_array[i] = m_array[ i ];
-    
-    m_array.Clear();
-    for (i = 0; i < n; i++)
-        m_array.Add( i );
-
-    unsigned int *order = new unsigned int[ n ];
-       
-    for (i = 0; i < n; i++)
-    {
-        unsigned int new_value = m_array[i];
-        
-        unsigned int old_pos;
-        for (old_pos = 0; old_pos < n; old_pos++)
-            if (old_array[old_pos] == new_value)
-                break;
-        order[i] = old_pos;
-    }
-    
-    delete [] old_array;
-    
-    wxDataViewListModel::RowsReordered( order );
-
-    delete [] order;
+    for (i = 1; i < initial_size+1; i++)
+        m_hash.Add( (void*) i );
+    m_lastIndex = initial_size + 1;
 }
 
-#if 0
-static void Dump( wxDataViewListModel *model, unsigned int col )
+wxDataViewIndexListModel::~wxDataViewIndexListModel()
 {
-    unsigned int n = model->GetRowCount();
-    unsigned int i;
-    for (i = 0; i < n; i++)
-    {
-        wxVariant variant;
-        model->GetValue( variant, col, i );
-        wxString tmp;
-        tmp = variant.GetString();
-        wxPrintf( wxT("%d: %s\n"), (int) i, tmp.c_str() );
-    }
 }
-#endif
 
-bool wxDataViewSortedListModel::ChildRowAppended()
+void wxDataViewIndexListModel::RowPrepended()
 {
-    // no need to fix up array
-
-    unsigned int len = m_array.GetCount();
-
-    unsigned int pos = m_array.Add( len );
-
-    if (pos == 0)
-        return wxDataViewListModel::RowPrepended();
-
-    if (pos == len)
-        return wxDataViewListModel::RowAppended();
-
-    return wxDataViewListModel::RowInserted( pos );
+    unsigned int id = m_lastIndex++;
+    m_hash.Insert( (void*) id, 0 );
+    wxDataViewItem item( (void*) id );
+    ItemAdded( wxDataViewItem(0), item );
 }
 
-bool wxDataViewSortedListModel::ChildRowPrepended()
+void wxDataViewIndexListModel::RowInserted( unsigned int before )
 {
-    // fix up array
-    unsigned int i;
-    unsigned int len = m_array.GetCount();
-    for (i = 0; i < len; i++)
-    {
-        unsigned int value = m_array[i];
-        m_array[i] = value+1;
-    }
-
-    unsigned int pos = m_array.Add( 0 );
-
-    if (pos == 0)
-        return wxDataViewListModel::RowPrepended();
-
-    if (pos == len)
-        return wxDataViewListModel::RowAppended();
-
-    return wxDataViewListModel::RowInserted( pos );
+    unsigned int id = m_lastIndex++;
+    m_hash.Insert( (void*) id, before );
+    wxDataViewItem item( (void*) id );
+    ItemAdded( wxDataViewItem(0), item );
 }
 
-bool wxDataViewSortedListModel::ChildRowInserted( unsigned int before )
+void wxDataViewIndexListModel::RowAppended()
 {
-    // fix up array
-    unsigned int i;
-    unsigned int len = m_array.GetCount();
-    for (i = 0; i < len; i++)
-    {
-        unsigned int value = m_array[i];
-        if (value >= before)
-           m_array[i] = value+1;
-    }
-
-    unsigned int pos = m_array.Add( before );
-
-    if (pos == 0)
-        return wxDataViewListModel::RowPrepended();
-
-    if (pos == len)
-        return wxDataViewListModel::RowAppended();
-
-    return wxDataViewListModel::RowInserted( pos );
-}
-
-bool wxDataViewSortedListModel::ChildRowDeleted( unsigned int row )
-{
-    unsigned int i;
-    unsigned int len = m_array.GetCount();
-    int pos = -1;
-    for (i = 0; i < len; i++)
-    {
-        unsigned int value = m_array[i];
-        if (value == row)
-        {
-            // delete later
-            pos = (int) i;
-        }
-        else
-        {
-            // Fix up array
-            if (value > row)
-                m_array[i] = value-1;
-        }
-    }
-
-    if (pos == -1)
-        return false; // we should probably assert
-
-    // remove
-    m_array.RemoveAt( (unsigned int) pos );
-
-    return wxDataViewListModel::RowDeleted( (unsigned int) pos);
-}
-
-bool wxDataViewSortedListModel::ChildRowChanged( unsigned int row )
-{
-    unsigned int i;
-    unsigned int len = m_array.GetCount();
-
-    // Remove and readd sorted. Find out at which
-    // position it was and where it ended.
-    unsigned int start_pos = 0,end_pos = 0;
-    for (i = 0; i < len; i++)
-        if (m_array[i] == row)
-        {
-            start_pos = i;
-            break;
-        }
-    m_array.RemoveAt( start_pos );
-    m_array.Add( row );
-
-    for (i = 0; i < len; i++)
-        if (m_array[i] == row)
-        {
-            end_pos = i;
-            break;
-        }
-
-    if (end_pos == start_pos)
-        return wxDataViewListModel::RowChanged( start_pos );
-
-    // Create an array where order[old] -> new_pos, so that
-    // if nothing changed order[0] -> 0 etc.
-    unsigned int *order = new unsigned int[ len ];
-    // Fill up initial values.
-    for (i = 0; i < len; i++)
-        order[i] = i;
-
-    if (start_pos < end_pos)
-    {
-        for (i = start_pos; i < end_pos; i++)
-            order[i] = order[i+1];
-        order[end_pos] = start_pos;
-    }
-    else
-    {
-        for (i = end_pos; i > start_pos; i--)
-            order[i] = order[i-1];
-        order[start_pos] = end_pos;
-    }
-
-    wxDataViewListModel::RowsReordered( order );
-
-    delete [] order;
-
-    return true;
+    unsigned int id = m_lastIndex++;
+    m_hash.Add( (void*) id );
+    wxDataViewItem item( (void*) id );
+    ItemAdded( wxDataViewItem(0), item );
 }
 
-bool wxDataViewSortedListModel::ChildValueChanged( unsigned int col, unsigned int row )
+void wxDataViewIndexListModel::RowDeleted( unsigned int row )
 {
-    unsigned int i;
-    unsigned int len = m_array.GetCount();
-
-    // Remove and readd sorted. Find out at which
-    // position it was and where it ended.
-    unsigned int start_pos = 0,end_pos = 0;
-    for (i = 0; i < len; i++)
-        if (m_array[i] == row)
-        {
-            start_pos = i;
-            break;
-        }
-    m_array.RemoveAt( start_pos );
-    m_array.Add( row );
-
-    for (i = 0; i < len; i++)
-        if (m_array[i] == row)
-        {
-            end_pos = i;
-            break;
-        }
-
-    if (end_pos == start_pos)
-        return wxDataViewListModel::ValueChanged( col, start_pos );
-
-    // Create an array where order[old] -> new_pos, so that
-    // if nothing changed order[0] -> 0 etc.
-    unsigned int *order = new unsigned int[ len ];
-    // Fill up initial values.
-    for (i = 0; i < len; i++)
-        order[i] = i;
-
-    if (start_pos < end_pos)
-    {
-        for (i = start_pos; i < end_pos; i++)
-            order[i] = order[i+1];
-        order[end_pos] = start_pos;
-    }
-    else
-    {
-        for (i = end_pos; i > start_pos; i--)
-            order[i] = order[i-1];
-        order[start_pos] = end_pos;
-    }
-
-    wxDataViewListModel::RowsReordered( order );
-
-    delete [] order;
-
-    return true;
+    wxDataViewItem item( m_hash[row] );
+    wxDataViewModel::ItemDeleted( wxDataViewItem(0), item );
+    m_hash.RemoveAt( row );
 }
 
-bool wxDataViewSortedListModel::ChildRowsReordered( unsigned int *WXUNUSED(new_order) )
+void wxDataViewIndexListModel::RowChanged( unsigned int row )
 {
-    // Nothing needs to be done. If the sort criteria
-    // of this list don't change, the order of the
-    // items of the child list isn't relevant.
-    return true;
+    wxDataViewModel::ItemChanged( GetItem(row) );
 }
 
-bool wxDataViewSortedListModel::ChildCleared()
+void wxDataViewIndexListModel::RowValueChanged( unsigned int row, unsigned int col )
 {
-    return wxDataViewListModel::Cleared();
+    wxDataViewModel::ValueChanged( GetItem(row), col );
 }
 
-unsigned int wxDataViewSortedListModel::GetRowCount() const
+unsigned int wxDataViewIndexListModel::GetRow( const wxDataViewItem &item ) const
 {
-    if (!m_child) return 0;
-    
-    return m_child->GetRowCount();
+    // assert for not found
+    return (unsigned int) m_hash.Index( item.GetID() );
 }
 
-unsigned int wxDataViewSortedListModel::GetColumnCount() const
+wxDataViewItem wxDataViewIndexListModel::GetItem( unsigned int row ) const
 {
-    if (!m_child) return 0;
-    
-    return m_child->GetColumnCount();
+    return wxDataViewItem( m_hash[row] );
 }
 
-wxString wxDataViewSortedListModel::GetColumnType( unsigned int col ) const
+int wxDataViewIndexListModel::Compare( const wxDataViewItem &item1, const wxDataViewItem &item2 )
 {
-    return m_child->GetColumnType( col );
+    return GetRow(item1) - GetRow(item2);
 }
 
-void wxDataViewSortedListModel::GetValue( wxVariant &variant, unsigned int col, unsigned int row ) const
+void wxDataViewIndexListModel::GetValue( wxVariant &variant,
+                           const wxDataViewItem &item, unsigned int col ) const
 {
-    unsigned int child_row = m_array[row];
-    m_child->GetValue( variant, col, child_row );
+    GetValue( variant, GetRow(item), col );
 }
 
-bool wxDataViewSortedListModel::SetValue( const wxVariant &variant, unsigned int col, unsigned int row )
+bool wxDataViewIndexListModel::SetValue( const wxVariant &variant,
+                           const wxDataViewItem &item, unsigned int col )
 {
-    unsigned int child_row = m_array[row];
-    bool ret = m_child->SetValue( variant, col, child_row );
-
-    // Do nothing here as the change in the
-    // child model will be reported back.
-
-    return ret;
+    return SetValue( variant, GetRow(item), col );
 }
 
-bool wxDataViewSortedListModel::RowAppended()
+wxDataViewItem wxDataViewIndexListModel::GetParent( const wxDataViewItem & WXUNUSED(item) ) const
 {
-    // you can only append
-    bool ret = m_child->RowAppended();
-
-    // Do nothing here as the change in the
-    // child model will be reported back.
-
-    return ret;
+    return wxDataViewItem(0);
 }
 
-bool wxDataViewSortedListModel::RowPrepended()
+bool wxDataViewIndexListModel::IsContainer( const wxDataViewItem &item ) const
 {
-    // you can only append
-    bool ret = m_child->RowAppended();
-
-    // Do nothing here as the change in the
-    // child model will be reported back.
-
-    return ret;
-}
-
-bool wxDataViewSortedListModel::RowInserted( unsigned int WXUNUSED(before) )
-{
-    // you can only append
-    bool ret = m_child->RowAppended();
-
-    // Do nothing here as the change in the
-    // child model will be reported back.
-
-    return ret;
-}
-
-bool wxDataViewSortedListModel::RowDeleted( unsigned int row )
-{
-    unsigned int child_row = m_array[row];
-
-    bool ret = m_child->RowDeleted( child_row );
-
-    // Do nothing here as the change in the
-    // child model will be reported back.
+    // only the invisible root item has children
+    if (!item.IsOk())
+        return true;
 
-    return ret;
+    return false;
 }
 
-bool wxDataViewSortedListModel::RowChanged( unsigned int row )
+wxDataViewItem wxDataViewIndexListModel::GetFirstChild( const wxDataViewItem &parent ) const
 {
-    unsigned int child_row = m_array[row];
-    bool ret = m_child->RowChanged( child_row );
+    if (!parent.IsOk())
+    {
+        if (m_hash.GetCount() == 0)
+            return wxDataViewItem(0);
 
-    // Do nothing here as the change in the
-    // child model will be reported back.
+        return wxDataViewItem( m_hash[0]);
+    }
 
-    return ret;
+    return wxDataViewItem(0);
 }
 
-bool wxDataViewSortedListModel::ValueChanged( unsigned int col, unsigned int row )
+wxDataViewItem wxDataViewIndexListModel::GetNextSibling( const wxDataViewItem &item ) const
 {
-    unsigned int child_row = m_array[row];
-    bool ret = m_child->ValueChanged( col, child_row );
+    if (!item.IsOk())
+        return wxDataViewItem(0);
 
-    // Do nothing here as the change in the
-    // child model will be reported back.
+    int pos = m_hash.Index( item.GetID() );
+    if ((pos == wxNOT_FOUND) || (pos == (int) (m_hash.GetCount()-1)))
+        return wxDataViewItem(0);
 
-    return ret;
-}
-
-bool wxDataViewSortedListModel::RowsReordered( unsigned int *WXUNUSED(new_order) )
-{
-    // We sort them ourselves.
-
-    return false;
-}
-
-bool wxDataViewSortedListModel::Cleared()
-{
-    bool ret = m_child->Cleared();
-
-    // Do nothing here as the change in the
-    // child model will be reported back.
-
-    return ret;
+    return wxDataViewItem( m_hash[pos+1] );
 }
 
 // ---------------------------------------------------------
@@ -721,13 +333,12 @@ bool wxDataViewSortedListModel::Cleared()
 
 IMPLEMENT_ABSTRACT_CLASS(wxDataViewRendererBase, wxObject)
 
-wxDataViewRendererBase::wxDataViewRendererBase( const wxString &varianttype, 
+wxDataViewRendererBase::wxDataViewRendererBase( const wxString &varianttype,
                                                 wxDataViewCellMode WXUNUSED(mode),
                                                 int WXUNUSED(align) )
 {
     m_variantType = varianttype;
     m_editorCtrl = NULL;
-    m_row = (unsigned int) -1;
 }
 
 const wxDataViewCtrl* wxDataViewRendererBase::GetView() const
@@ -735,21 +346,21 @@ const wxDataViewCtrl* wxDataViewRendererBase::GetView() const
     return wx_const_cast(wxDataViewRendererBase*, this)->GetOwner()->GetOwner();
 }
 
-bool wxDataViewRendererBase::StartEditing( unsigned int row, wxRect labelRect )
+bool wxDataViewRendererBase::StartEditing( const wxDataViewItem &item, wxRect labelRect )
 {
-    m_row = row; // remember for later
-                                     
+    m_item = item; // remember for later
+
     unsigned int col = GetOwner()->GetModelColumn();
     wxVariant value;
-    GetOwner()->GetOwner()->GetModel()->GetValue( value, col, row );
-    
+    GetOwner()->GetOwner()->GetModel()->GetValue( value, item, col );
+
     m_editorCtrl = CreateEditorCtrl( GetOwner()->GetOwner()->GetMainWindow(), labelRect, value );
-    
-    wxDataViewEditorCtrlEvtHandler *handler = 
+
+    wxDataViewEditorCtrlEvtHandler *handler =
         new wxDataViewEditorCtrlEvtHandler( m_editorCtrl, (wxDataViewRenderer*) this );
-        
+
     m_editorCtrl->PushEventHandler( handler );
-    
+
 #if defined(__WXGTK20__) && !defined(wxUSE_GENERICDATAVIEWCTRL)
     handler->SetFocusOnIdle();
 #else
@@ -762,9 +373,9 @@ bool wxDataViewRendererBase::StartEditing( unsigned int row, wxRect labelRect )
 void wxDataViewRendererBase::CancelEditing()
 {
     wxPendingDelete.Append( m_editorCtrl );
-    
+
     GetOwner()->GetOwner()->GetMainWindow()->SetFocus();
-    
+
     // m_editorCtrl->PopEventHandler( true );
 }
 
@@ -774,18 +385,18 @@ bool wxDataViewRendererBase::FinishEditing()
     GetValueFromEditorCtrl( m_editorCtrl, value );
 
     wxPendingDelete.Append( m_editorCtrl );
-    
+
     GetOwner()->GetOwner()->GetMainWindow()->SetFocus();
-    
+
     if (!Validate(value))
         return false;
-        
+
     unsigned int col = GetOwner()->GetModelColumn();
-    GetOwner()->GetOwner()->GetModel()->SetValue( value, col, m_row );
-    GetOwner()->GetOwner()->GetModel()->ValueChanged( col, m_row );
-    
+    GetOwner()->GetOwner()->GetModel()->SetValue( value, m_item, col );
+    GetOwner()->GetOwner()->GetModel()->ValueChanged( m_item, col );
+
     // m_editorCtrl->PopEventHandler( true );
-    
+
     return true;
 }
 
@@ -817,7 +428,7 @@ void wxDataViewEditorCtrlEvtHandler::OnIdle( wxIdleEvent &event )
         if (wxWindow::FindFocus() != m_editorCtrl)
             m_editorCtrl->SetFocus();
     }
-    
+
     event.Skip();
 }
 
@@ -862,7 +473,7 @@ wxDataViewColumnBase::wxDataViewColumnBase(const wxString& WXUNUSED(title),
                                            unsigned int model_column,
                                            int WXUNUSED(width),
                                            wxAlignment WXUNUSED(align),
-                                           int WXUNUSED(flags)) 
+                                           int WXUNUSED(flags))
 {
     m_renderer = renderer;
     m_model_column = model_column;
@@ -878,7 +489,7 @@ wxDataViewColumnBase::wxDataViewColumnBase(const wxBitmap& bitmap,
                                            unsigned int model_column,
                                            int WXUNUSED(width),
                                            wxAlignment WXUNUSED(align),
-                                           int WXUNUSED(flags) ) 
+                                           int WXUNUSED(flags) )
 {
     m_renderer = renderer;
     m_model_column = model_column;
@@ -914,45 +525,6 @@ void wxDataViewColumnBase::SetFlags(int flags)
     SetHidden((flags & wxDATAVIEW_COL_HIDDEN) != 0);
 }
 
-// ---------------------------------------------------------
-// wxDataViewEventListModelNotifier
-// ---------------------------------------------------------
-
-class WXDLLIMPEXP_ADV wxDataViewEventListModelNotifier: public wxDataViewListModelNotifier
-{
-public:
-    wxDataViewEventListModelNotifier( wxDataViewCtrl *ctrl ) { m_ctrl = ctrl; }
-    
-    bool SendEvent( wxEventType event_type, unsigned int row = 0, unsigned int col = 0 )
-    {
-        wxDataViewEvent event( event_type, m_ctrl->GetId() );
-        event.SetEventObject( m_ctrl );
-        event.SetModel( m_ctrl->GetModel() );
-        event.SetRow( row );
-        event.SetColumn( col );
-        m_ctrl->GetEventHandler()->ProcessEvent( event );
-        return true;
-    }
-
-    virtual bool RowAppended()  { return SendEvent( wxEVT_COMMAND_DATAVIEW_MODEL_ROW_APPENDED ); }
-    virtual bool RowPrepended() { return SendEvent( wxEVT_COMMAND_DATAVIEW_MODEL_ROW_PREPENDED ); }
-    virtual bool RowInserted( unsigned int before )
-                                { return SendEvent( wxEVT_COMMAND_DATAVIEW_MODEL_ROW_INSERTED, before ); }
-    virtual bool RowDeleted( unsigned int row )
-                                { return SendEvent( wxEVT_COMMAND_DATAVIEW_MODEL_ROW_DELETED, row ); }
-    virtual bool RowChanged( unsigned int row )
-                                { return SendEvent( wxEVT_COMMAND_DATAVIEW_MODEL_ROW_CHANGED, row ); }
-    virtual bool ValueChanged( unsigned int col, unsigned int row )
-                                { return SendEvent( wxEVT_COMMAND_DATAVIEW_MODEL_VALUE_CHANGED, row, col ); }
-    virtual bool RowsReordered( unsigned int *new_order )
-                                { return SendEvent( wxEVT_COMMAND_DATAVIEW_MODEL_ROWS_REORDERED ); }
-    virtual bool Cleared()      { return SendEvent( wxEVT_COMMAND_DATAVIEW_MODEL_CLEARED ); }
-
-private:
-    wxDataViewCtrl *m_ctrl;
-};
-
-
 // ---------------------------------------------------------
 // wxDataViewCtrlBase
 // ---------------------------------------------------------
@@ -963,35 +535,28 @@ wxDataViewCtrlBase::wxDataViewCtrlBase()
 {
     m_model = NULL;
     m_cols.DeleteContents( true );
-    m_eventNotifier = NULL;
+    m_expander_column = 0;
+    m_indent = 8;
 }
 
 wxDataViewCtrlBase::~wxDataViewCtrlBase()
 {
-    // IMPORTANT: before calling DecRef() on our model (since it may 
+    // IMPORTANT: before calling DecRef() on our model (since it may
     //            result in a free() call), erase all columns (since
     //            they hold a pointer to our model)
     m_cols.Clear();
 
     if (m_model)
     {
-        if (m_eventNotifier)
-            m_model->RemoveNotifier( m_eventNotifier );
-        m_eventNotifier = NULL;
-    
         m_model->DecRef();
         m_model = NULL;
     }
 }
 
-bool wxDataViewCtrlBase::AssociateModel( wxDataViewListModel *model )
+bool wxDataViewCtrlBase::AssociateModel( wxDataViewModel *model )
 {
     if (m_model)
     {
-        if (m_eventNotifier)
-            m_model->RemoveNotifier( m_eventNotifier );
-        m_eventNotifier = NULL;
-        
         m_model->DecRef();   // discard old model, if any
     }
 
@@ -999,15 +564,13 @@ bool wxDataViewCtrlBase::AssociateModel( wxDataViewListModel *model )
     m_model = model;
     if (m_model)
     {
-        m_model->IncRef(); 
-        m_eventNotifier = new wxDataViewEventListModelNotifier( (wxDataViewCtrl*) this );
-        m_model->AddNotifier( m_eventNotifier );
+        m_model->IncRef();
     }
 
     return true;
 }
 
-wxDataViewListModel* wxDataViewCtrlBase::GetModel()
+wxDataViewModel* wxDataViewCtrlBase::GetModel()
 {
     return m_model;
 }
@@ -1015,80 +578,80 @@ wxDataViewListModel* wxDataViewCtrlBase::GetModel()
 bool wxDataViewCtrlBase::AppendTextColumn( const wxString &label, unsigned int model_column,
                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 {
-    return AppendColumn( new wxDataViewColumn( label, 
-        new wxDataViewTextRenderer( wxT("string"), mode, (int)align ), 
+    return AppendColumn( new wxDataViewColumn( label,
+        new wxDataViewTextRenderer( wxT("string"), mode, (int)align ),
         model_column, width, align, flags ) );
 }
 
 bool wxDataViewCtrlBase::AppendToggleColumn( const wxString &label, unsigned int model_column,
                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 {
-    return AppendColumn( new wxDataViewColumn( label, 
-        new wxDataViewToggleRenderer( wxT("bool"), mode, (int)align ), 
+    return AppendColumn( new wxDataViewColumn( label,
+        new wxDataViewToggleRenderer( wxT("bool"), mode, (int)align ),
         model_column, width, align, flags ) );
 }
 
 bool wxDataViewCtrlBase::AppendProgressColumn( const wxString &label, unsigned int model_column,
                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 {
-    return AppendColumn( new wxDataViewColumn( label, 
-        new wxDataViewProgressRenderer( wxEmptyString, wxT("long"), mode, (int)align ), 
+    return AppendColumn( new wxDataViewColumn( label,
+        new wxDataViewProgressRenderer( wxEmptyString, wxT("long"), mode, (int)align ),
         model_column, width, align, flags ) );
 }
 
 bool wxDataViewCtrlBase::AppendDateColumn( const wxString &label, unsigned int model_column,
                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 {
-    return AppendColumn( new wxDataViewColumn( label, 
-        new wxDataViewDateRenderer( wxT("datetime"), mode, (int)align ), 
+    return AppendColumn( new wxDataViewColumn( label,
+        new wxDataViewDateRenderer( wxT("datetime"), mode, (int)align ),
         model_column, width, align, flags ) );
 }
 
 bool wxDataViewCtrlBase::AppendBitmapColumn( const wxString &label, unsigned int model_column,
                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 {
-    return AppendColumn( new wxDataViewColumn( label, 
-        new wxDataViewBitmapRenderer( wxT("wxBitmap"), mode, (int)align ), 
+    return AppendColumn( new wxDataViewColumn( label,
+        new wxDataViewBitmapRenderer( wxT("wxBitmap"), mode, (int)align ),
         model_column, width, align, flags ) );
 }
 
 bool wxDataViewCtrlBase::AppendTextColumn( const wxBitmap &label, unsigned int model_column,
                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 {
-    return AppendColumn( new wxDataViewColumn( label, 
-        new wxDataViewTextRenderer( wxT("string"), mode, (int)align ), 
+    return AppendColumn( new wxDataViewColumn( label,
+        new wxDataViewTextRenderer( wxT("string"), mode, (int)align ),
         model_column, width, align, flags ) );
 }
 
 bool wxDataViewCtrlBase::AppendToggleColumn( const wxBitmap &label, unsigned int model_column,
                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 {
-    return AppendColumn( new wxDataViewColumn( label, 
-        new wxDataViewToggleRenderer( wxT("bool"), mode, (int)align ), 
+    return AppendColumn( new wxDataViewColumn( label,
+        new wxDataViewToggleRenderer( wxT("bool"), mode, (int)align ),
         model_column, width, align, flags ) );
 }
 
 bool wxDataViewCtrlBase::AppendProgressColumn( const wxBitmap &label, unsigned int model_column,
                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 {
-    return AppendColumn( new wxDataViewColumn( label, 
-        new wxDataViewProgressRenderer( wxEmptyString, wxT("long"), mode, (int)align ), 
+    return AppendColumn( new wxDataViewColumn( label,
+        new wxDataViewProgressRenderer( wxEmptyString, wxT("long"), mode, (int)align ),
         model_column, width, align, flags ) );
 }
 
 bool wxDataViewCtrlBase::AppendDateColumn( const wxBitmap &label, unsigned int model_column,
                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 {
-    return AppendColumn( new wxDataViewColumn( label, 
-        new wxDataViewDateRenderer( wxT("datetime"), mode, (int)align ), 
+    return AppendColumn( new wxDataViewColumn( label,
+        new wxDataViewDateRenderer( wxT("datetime"), mode, (int)align ),
         model_column, width, align, flags ) );
 }
 
 bool wxDataViewCtrlBase::AppendBitmapColumn( const wxBitmap &label, unsigned int model_column,
                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )
 {
-    return AppendColumn( new wxDataViewColumn( label, 
-        new wxDataViewBitmapRenderer( wxT("wxBitmap"), mode, (int)align ), 
+    return AppendColumn( new wxDataViewColumn( label,
+        new wxDataViewBitmapRenderer( wxT("wxBitmap"), mode, (int)align ),
         model_column, width, align, flags ) );
 }
 
@@ -1125,19 +688,16 @@ wxDataViewColumn* wxDataViewCtrlBase::GetColumn( unsigned int pos )
 
 IMPLEMENT_DYNAMIC_CLASS(wxDataViewEvent,wxNotifyEvent)
 
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_ROW_SELECTED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_ROW_ACTIVATED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_ITEM_SELECTED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_COLUMN_HEADER_RIGHT_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_COLUMN_SORTED)
 
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_ROW_APPENDED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_ROW_PREPENDED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_ROW_INSERTED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_ROW_DELETED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_ROW_CHANGED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_ADDED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_DELETED)
+DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_ITEM_CHANGED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_VALUE_CHANGED)
-DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_ROWS_REORDERED)
 DEFINE_EVENT_TYPE(wxEVT_COMMAND_DATAVIEW_MODEL_CLEARED)
 
 #endif