@Override
  public TableCellEditor getCellEditor(final int row, final int column){
    final PropertyEditor editor = myProperties.get(row).getEditor();
    editor.removePropertyEditorListener(myPropertyEditorListener); // we do not need to add listener on every invocation
    editor.addPropertyEditorListener(myPropertyEditorListener);
    myCellEditor.setEditor(editor);
    return myCellEditor;
  }
@Override
  public TableCellEditor getCellEditor(final int row, final int column)