private async void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
int Id = (int)e.NavigationParameter;
var Item = await RestaurantPageSource.GetRestaurantAsync(Id);
this.ProgressRing.IsActive = false;
if (Item == null)
{
if (Frame.CanGoBack)
{
Frame.GoBack();
await ShowErrorAsync();
}
else
{
if (!Frame.Navigate(typeof(MainPage), "FoodLook 2"))
{
throw new Exception();
}
Frame.BackStack.Clear();
await ShowErrorAsync();
}
}
else
{
this.DefaultViewModel[Restaurant] = Item;
this.DefaultViewModel[Label] = Item.Label;
LikeButtonToggle();
FavoriteButtonToggle();
this.RestaurantPageCommandBar.Visibility = Visibility.Visible;
if (Item.Website == null)
{
this.WebsiteBlock.Visibility = Visibility.Collapsed;
}
if (Item.Email == null)
{
this.EmailBlock.Visibility = Visibility.Collapsed;
}
if (Item.Facebook == null)
{
this.FacebookBlock.Visibility = Visibility.Collapsed;
}
if (Item.Instagram == null)
{
this.InstagramBlock.Visibility = Visibility.Collapsed;
}
if (!Item.Parking)
{
this.ParkingImage.Opacity = 0.4;
}
if (!Item.PaymentCards)
{
this.PaymentCardsImage.Opacity = 0.4;
}
if (!Item.LiveMusic)
{
this.LiveMusicImage.Opacity = 0.4;
}
if (Item.Telephone == null)
{
this.PhoneButton.Visibility = Visibility.Collapsed;
}
this.RestaurantPagePivot.Visibility = Visibility.Visible;
}
}
