Introduction to Redux in Flutter (to_do_list_page.dart viewmodel)

to_do_list_page.dart

class _ViewModel {
  final String pageTitle;
  final List<_ItemViewModel> items;
  final Function onNewItem;
  final String newItemToolTip;

  _ViewModel(this.pageTitle, this.items, this.onNewItem, this.newItemToolTip, this.newItemIcon);

  factory _ViewModel.create(Store<AppState> store) {
    List<_ItemViewModel> items = store.state.toDos
        .map((ToDoItem item) => /* Omitting some boilerplate here */)
        .toList();

    return _ViewModel('To Do', items, () => store.dispatch(DisplayListWithNewItemAction()), 'Add new to-do item', Icons.add);
  }
}