@Override
  public void updateValues() {
    List<KeyValueProperty> items = new LinkedList<>();
    TableModel model = itemsTable.getModel();
    int size = model.getRowCount();

    for (int i = 0; i < size; i++) {
      String key = (String) model.getValueAt(i, 0);
      String value = (String) model.getValueAt(i, 1);
      items.add(new KeyValueProperty(null, key, value));
    }

    fProperty.setItems(items);
  }