protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (NavigationContext.QueryString.ContainsKey("id"))
{
string idQueryString = NavigationContext.QueryString["id"];
int id = 0;
if (!Int32.TryParse(idQueryString, out id))
{
throw new ArgumentException("id is not valid value!");
}
ToDoItemDetailsViewModel viewModel = new ToDoItemDetailsViewModel(new ToDoItemRepository());
this.DataContext = viewModel;
string currentUri = e.Uri.OriginalString;
viewModel.OnToDoItemChanged += new GeomindMe.ViewModels.ToDoItemDetailsViewModel.LocationEventHandler(
(geoLocation) =>
{
Dispatcher.BeginInvoke(new Action(() =>
{
NavigateMap(new GeoCoordinate(geoLocation.Latitude, geoLocation.Longitude), true);
}));
});
viewModel.Load(id, currentUri);
return;
}
else
{
throw new ArgumentNullException("id must not be null!");
}
}
private static ToDoItemDetailsViewModel GetNewToDoItemDetailsViewModel()
{
ToDoItemDetailsViewModel toDoItemDetailsViewModel = null;
if (DesignerProperties.IsInDesignTool)
{
toDoItemDetailsViewModel = new ToDoItemDetailsViewModel(new DesignToDoItemRepository(), 5);
}
else
{
toDoItemDetailsViewModel = new ToDoItemDetailsViewModel(new ToDoItemRepository());
}
return toDoItemDetailsViewModel;
}
public static void CreateToDoItemDetailsViewModel()
{
ToDoItemDetailsViewModel toDoItemDetailsViewModel = GetNewToDoItemDetailsViewModel();
_toDoItemDetailsViewModel = toDoItemDetailsViewModel;
}
public void LoadToDoItemDetailsViewModelFromApplicationState()
{
if (!PhoneApplicationService.Current.State.ContainsKey(ToDoItemDetailsViewModelPropertyName))
{
return;
}
var viewModel = PhoneApplicationService.Current.State[ToDoItemDetailsViewModelPropertyName] as ToDoItemDetailsViewModel;
if (viewModel == null)
{
return;
}
ViewModelLocator._toDoItemDetailsViewModel = viewModel;
}
public static void ClearToDoItemDetailsViewModel()
{
_toDoItemDetailsViewModel.Cleanup();
_toDoItemDetailsViewModel = null;
}