actions.setWidget(1, 0, removeRowByKeyFormField.asWidget());
actions.setWidget(1, 1, removeByKeyButton);
actions.setWidget(2, 0, removeRowFormField.asWidget());
actions.setWidget(2, 1, removeButton);
actions.setWidget(0, 2, keyRowFormField.asWidget());
actions.setWidget(0, 3, toRowFormField.asWidget());
actions.setWidget(0, 4, moveButton);
}
@Override