public UserDataPage()
{
InitializeComponent();
photosCollectionControl.CellSelected += photosCollectionControl_CellSelected;
AlbumsCollectionViewModel = new AlbumsViewModel();
photosCollectionControl.Initialize(AlbumsCollectionViewModel);
AlbumsCollectionViewModel.Initialize(cts.Token, false);
}
private void InitializeViewModels()
{
ViewModels = new ObservableCollection<ViewModel>();
var albumsModel = new AlbumsViewModel();
albumsModel.IsSelectionEnabled = false;
albumsModel.Initialize(cts.Token);
var contactsModel = new ContactsViewModel();
contactsModel.IsSelectionEnabled = true;
contactsModel.Initialize(cts.Token);
ViewModels.Add(albumsModel);
ViewModels.Add(contactsModel);
}
protected override void OnBackKeyPress(System.ComponentModel.CancelEventArgs e)
{
if(ViewModels[pivot.SelectedIndex].IsSelectionEnabled == true)
{
e.Cancel = true;
ViewModels[pivot.SelectedIndex].IsSelectionEnabled = false;
pivot.IsLocked = true;
CreateSelectionAppBar();
return;
}
if (deep == 0)
base.OnBackKeyPress(e);
else
{
e.Cancel = true;
deep--;
if (pivot.SelectedIndex == 0)
{
ViewModels[0] = new AlbumsViewModel();
((pivot.SelectedItem as PivotItem).Content as CollectionControl).Initialize(ViewModels[0]);
}
}
}