//------------------------------------------------------------------------------
void DbMySQLTableEditorIndexPage::switch_be(MySQLTableEditorBE *be) {
  if (!_editing_sig.empty())
    _editing_sig.disconnect();

  _index_node = bec::NodeId();

  _indexes_columns_model.clear();
  Gtk::TreeView *tv = 0;
  _xml->get_widget("index_columns", tv);
  tv->remove_all_columns();
  tv->unset_model();

  _be = be;

  _be->get_indexes()->select_index(_index_node);
  // refresh is done from TableEd

  _indexes_tv->remove_all_columns();

  _indexes_model = ListModelWrapper::create(_be->get_indexes(), _indexes_tv, "DbMySQLTableEditorIndexPage");

  _indexes_model->model().append_string_column(0, "Index Name", EDITABLE, NO_ICON);
  _indexes_model->model().append_combo_column(1, "Type", model_from_string_list(_be->get_index_types()), EDITABLE,
                                              true);

  _indexes_tv->set_model(_indexes_model);

  Gtk::CellRenderer *rend = _indexes_tv->get_column_cell_renderer(0);

  _editing_sig =
    rend->signal_editing_started().connect(sigc::mem_fun(this, &DbMySQLTableEditorIndexPage::cell_editing_started));
}
bool DbMySQLTableEditorIndexPage::real_refresh()
{
  if (!_editing_sig.empty())
    _editing_sig.disconnect();

  Gtk::TreeView *tv = 0;
  _xml->get_widget("index_columns", tv);

  tv->unset_model();
  tv->remove_all_columns();

  _index_node = bec::NodeId();
  _be->get_indexes()->select_index(_index_node);

  fill_combo_from_string_list(_index_storage_combo, _be->get_index_storage_types());

  _indexes_tv->remove_all_columns();

  _indexes_model = ListModelWrapper::create(_be->get_indexes(), _indexes_tv, "DbMySQLTableEditorIndexPage");


  _indexes_model->model().append_string_column(0, "Index Name", EDITABLE, NO_ICON);
  _indexes_model->model().append_combo_column(1, "Type", model_from_string_list(_be->get_index_types()), EDITABLE, true);


  _indexes_tv->set_model(_indexes_model);

  Gtk::CellRenderer* rend = _indexes_tv->get_column_cell_renderer(0);

  _editing_sig = rend->signal_editing_started().
    connect(sigc::mem_fun(this, &DbMySQLTableEditorIndexPage::cell_editing_started));

  const bool has_columns = _be->get_columns()->count() > 1;
  tv->set_sensitive(has_columns);
  _indexes_tv->set_sensitive(has_columns);
  
  index_cursor_changed();
  return false;
}