Add wxDataViewCtrl::ExpandAncestors() and call it from both EnsureVisible() and Select()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57511 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/datavcmn.cpp

@@ -896,10 +896,11 @@ const wxDataViewModel* wxDataViewCtrlBase::GetModel() const
     return m_model;
 }
 
-void wxDataViewCtrlBase::EnsureVisible( const wxDataViewItem & item,
-                                        const wxDataViewColumn *WXUNUSED(column) )
+void wxDataViewCtrlBase::ExpandAncestors( const wxDataViewItem & item )
 {
     if (!m_model) return;
+    
+    if (!item.IsOk()) return;
 
     wxVector<wxDataViewItem> parentChain;
     
@@ -919,7 +920,6 @@ void wxDataViewCtrlBase::EnsureVisible( const wxDataViewItem & item,
     }
 }
 
-
 wxDataViewColumn *
 wxDataViewCtrlBase::AppendTextColumn( const wxString &label, unsigned int model_column,
                             wxDataViewCellMode mode, int width, wxAlignment align, int flags )