public override async void OnNavigatedTo(NavigationParameters parameters)
{
IsBusy = true;
switch (parameters.GetNavigationMode())
{
case NavigationMode.Back:
TodoItems.ReplaceRange(await _dataContext.TodoItems.ReadAllItemsAsync());
break;
case NavigationMode.New:
//await _cloudService.LoginAsync();
TodoItems.AddRange(await _dataContext.TodoItems.ReadAllItemsAsync());
break;
}
IsBusy = false;
}
public TodoItemsListVm(ITodoItemsService todoItemsService)
{
this.todoItemsService = todoItemsService;
// Firstly get all items, and after that watch to changes.
todoItemsService.GetAll()
.Select(items => items.Select(todoItem => new TodoItemVm(todoItem)))
.Do(items => TodoItems.AddRange(items))
.SelectMany(_ => todoItemsService.TodoItemAdded)
.Subscribe(todoItem => TodoItems.Add(new TodoItemVm(todoItem)));
this.WhenAnyValue(x => x.SelectedTodoItem)
.Where(todoItem => todoItem != null)
.Select(todoItem => todoItem.Model)
.SelectMany(todoItem => todoItemsService.SetCurrentTodoItem(todoItem))
.Subscribe();
}
public override void OnNavigatedTo(NavigationParameters parameters)
{
IsBusy = true;
switch (parameters.GetNavigationMode())
{
case NavigationMode.Back:
if (parameters.ContainsKey("todoItem"))
{
TodoItems.Add(parameters.GetValue <TodoItem>("todoItem"));
}
break;
case NavigationMode.New:
TodoItems.AddRange(parameters.GetValues <string>("todo")
.Select(n => new TodoItem {
Name = n
}));
break;
}
IsBusy = false;
}
public override void OnNavigatedTo(NavigationParameters parameters)
#endif
{
IsBusy = true;
switch (parameters.GetNavigationMode())
{
case NavigationMode.Back:
#if (UseAzureMobileClient)
#if (UseMvvmHelpers)
TodoItems.ReplaceRange(await _dataContext.TodoItems.ReadAllItemsAsync());
#else
Todoitems.Clear();
foreach (var item in await _dataContext.TodoItems.ReadAllItemsAsync())
{
TodoItems.Add(item);
}
#endif
#elseif (UseRealm)
// Do anything you want to do only when Navigating Back to the View
#else
if (parameters.ContainsKey("todoItem"))
{
TodoItems.Add(parameters.GetValue <TodoItem>("todoItem"));
}
#endif
break;
case NavigationMode.New:
#if (UseAzureMobileClient)
#if (UsesAuthentication)
await _cloudService.LoginAsync();
#endif
#if (UseMvvmHelpers)
TodoItems.AddRange(await _dataContext.TodoItems.ReadAllItemsAsync());
#else
foreach (var item in await _dataContext.TodoItems.ReadAllItemsAsync())
{
TodoItems.Add(item);
}
#endif
#elseif (UseRealm)
TodoItems = _realm.All <TodoItem>();
#else
#if (UseMvvmHelpers)
TodoItems.AddRange(parameters.GetValues <string>("todo")
.Select(n => new TodoItem {
Name = n
}));
#else
foreach (var item in parameters.GetValues <string>("todo"))
{
TodoItems.Add(new TodoItem()
{
Name = item
});
}
#endif
#endif
break;
}
IsBusy = false;
}