/// <summary>
/// Load local notebooks
/// </summary>
/// <returns></returns>
static async public Task LoadAsync()
{
var storage = Windows.Storage.ApplicationData.Current.LocalFolder;
var folder = await storage.CreateFolderAsync(FolderNames.Notebooks.ToString(), CreationCollisionOption.OpenIfExists);
var notebooks = new ObservableCollection <NoteDataCommon>();
List <Type> types = new List <Type>();
types.Add(typeof(FoodDataItem));
types.Add(typeof(NoteDataItem));
types.Add(typeof(ToDoDataItem));
types.Add(typeof(NoteBook));
NotesDataSource.Unload();
DataContractJsonSerializer des = new DataContractJsonSerializer(typeof(NoteDataCommon), types);
var files = await folder.GetFilesAsync();
foreach (var file in files)
{
try
{
using (var stream = await file.OpenReadAsync())
{
var noteB = (NoteDataCommon)des.ReadObject(stream.AsStreamForRead());
NotesDataSource.AddNoteBook(noteB);
}
}
catch
{
Helpers.ShowErrorMessageAsync("Load Notebooks", "The application found data corruption.");
}
}
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="navigationParameter">The parameter value passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested.
/// </param>
/// <param name="pageState">A dictionary of state preserved by this page during an earlier
/// session. This will be null the first time a page is visited.</param>
protected override void LoadState(Object navigationParameter, Dictionary <String, Object> pageState)
{
if (navigationParameter != null)
{
InitializeFirstTimeData();
}
else
{
NotesDataSource.Unload();
}
}