private void applyMultiSelection(OldDataGrid grid, SimplePanel selectionPane) {
MultiRecordSelectionModel selectionModel = new MultiRecordSelectionModel();
grid.setSelectionModel(selectionModel);
final RecordsPanel recordsPanel = new RecordsPanel();
selectionModel.addListener(new MultiRecordSelectionModel.Listener() {
public void recordSelected(Record record, MultiRecordSelection model) {
recordsPanel.reset(model.getSelectedRecords());
}