class ToDoListPage extends StatelessWidget {
  @override
  Widget build(BuildContext context) => StoreConnector<AppState, _ViewModel>(
        converter: (Store<AppState> store) => _ViewModel.create(store),
        builder: (BuildContext context, _ViewModel viewModel) => Scaffold(
              appBar: AppBar(
                title: Text(viewModel.pageTitle),
              ),
              body: ListView(children: viewModel.items.map((_ItemViewModel item) => _createWidget(item)).toList()),
              floatingActionButton: FloatingActionButton(
                onPressed: viewModel.onNewItem,
                tooltip: viewModel.newItemToolTip,
                child: Icon(viewModel.newItemIcon),
              ),
            ),
      );
}