private TodoListAppViewModel Connect(IStore <TodoList> store, TodoListAppViewModel connectible)
{
return(store.Connect <TodoList, TodoListAppViewModel>(
mapStateToProps: (state, props) =>
{
props.CanClickShowCompleted = state.Filter != VisibilityFilter.ShowCompletedItems;
props.CanClickShowActive = state.Filter != VisibilityFilter.ShowActiveItems;
props.CanClickShowAll = state.Filter != VisibilityFilter.ShowAllItems;
props.HasTodoItems = state.Todos.Any();
props.ClearButtonIsVisible = state.Todos.Any(x => x.Value.Completed);
props.CheckToggleAll = !state.Todos.Any(x => x.Value.Completed == false);
props.ItemsLeft = state.Todos.Count(x => x.Value.Completed == false);
props.NewTodo = "";
var visibleTodos = GetFilteredTodos(state.Todos, state.EditingTodos, state.Filter);
props.Todos.Patch(visibleTodos);
},
mapDispatchToProps: (dispatcher, state, props) =>
{
props.DispatchAdd = (newTodo) =>
{
int id = state.Todos.Values.Select(x => x.Id).DefaultIfEmpty(0).Max() + 1;
dispatcher.DispatchAsync(new AddTodo(new TodoItem(id, newTodo, false)));
};
props.DispatchClearCompleted = () => dispatcher.DispatchAsync(new RemoveCompleted());
props.DispatchCompleteAll = () =>
{
if (state.Todos.Any(x => !x.Value.Completed))
{
dispatcher.DispatchAsync(new CompleteAllTodos());
}
};
props.DispatchShowActive = () => dispatcher.DispatchAsync(new ChangeVisibilityFilter(VisibilityFilter.ShowActiveItems));
props.DispatchShowAll = () => dispatcher.DispatchAsync(new ChangeVisibilityFilter(VisibilityFilter.ShowAllItems));
props.DispatchShowCompleted = () => dispatcher.DispatchAsync(new ChangeVisibilityFilter(VisibilityFilter.ShowCompletedItems));
props.DispatchActivateAll = () =>
{
if (state.Todos.All(x => x.Value.Completed))
{
dispatcher.DispatchAsync(new MarkAllTodosAsActive());
}
};
foreach (var todoItemProps in props.Todos)
{
todoItemProps.DispatchShowTodoEditor = (todoItem) => dispatcher.DispatchAsync(new ShowTodoEditor(todoItem));
todoItemProps.DispatchHideTodoEditor = (id) => dispatcher.DispatchAsync(new HideTodoEditor(id));
todoItemProps.DispatchToggleComplete = (id) => dispatcher.DispatchAsync(new ToggleComplete(id));
todoItemProps.DispatchUpdateTodoText = (id, text) => dispatcher.DispatchAsync(new UpdateTodoText(id, text));
todoItemProps.DispatchRemoveTodo = (id) => dispatcher.DispatchAsync(new RemoveTodo(id));
}
})(connectible));
}
/// <summary>
/// Create a new instance of ShellViewModel.
/// </summary>
/// <param name="store"></param>
public ShellViewModel(IStore <TodoList> store)
{
_store = store;
TodoListApp = Connect(_store, new TodoListAppViewModel());
}