public RestaurantMenuItemSubModifierPage(RestaurantMenuItemModifierPage restaurantMenuItemModifierPage, ModifierItemViewModel modifierItemView)
{
ModifierItemView = modifierItemView;
InitializeComponent();
NavigationPage.SetBackButtonTitle(this, AppResources.Back);
var subMenuModifierItemViewsSource = new List <SubMenuModifierItemViewModel>();
foreach (var subMenuModifierGroup in modifierItemView.MenuModifierVM.SubMenuModifierGroups)
{
subMenuModifierItemViewsSource.Add(new SubMenuModifierItemViewModel(modifierItemView, subMenuModifierGroup));
var subMenuModifierItemViews = modifierItemView.MenuModifierVM.SubMenuModifiers
.Where((t) => subMenuModifierGroup.ModifierIDs.Contains(t.MenuModifier.ID))
.Select(t => new SubMenuModifierItemViewModel(modifierItemView, subMenuModifierGroup, t)).ToList();
subMenuModifierItemViewsSource.AddRange(subMenuModifierItemViews);
SubMenuModifierItemViews.AddRange(subMenuModifierItemViews);
}
ModifierItemView.SubMenuModifierItemViews = SubMenuModifierItemViews;
foreach (var subMenuModifierItemView in SubMenuModifierItemViews)
{
var subMenuModifierItemViews = SubMenuModifierItemViews
.Where((t) => subMenuModifierItemView.SubMenuModifierGroup.ModifierIDs.Contains(t.SubMenuModifierVM.MenuModifier.ID))
.ToList();
subMenuModifierItemView.PropertyChanged += (sender, e) =>
{
if (e.PropertyName == nameof(subMenuModifierItemView.Quantity))
{
Price = restaurantMenuItemModifierPage.UpdatePriceUnSave(ModifierItemView);
foreach (var modifierItemViewGroup in subMenuModifierItemViews)
{
modifierItemViewGroup.RefreshEnabled();
}
Task.Run(() =>
{
new System.Threading.ManualResetEvent(false).WaitOne(100);
}).ContinueWith((s) =>
{
var itemsSelected = subMenuModifierItemViews.Where(t => t.IsSelected).ToList();
var countSelected = itemsSelected.Sum(t => t.Quantity);
var maxApplied = subMenuModifierItemView.SubMenuModifierGroup.MaxApplied;
if (maxApplied < countSelected && subMenuModifierItemView.Quantity != subMenuModifierItemView.QuantityPrevious)
{
subMenuModifierItemView.Quantity = subMenuModifierItemView.QuantityPrevious;
}
}, TaskScheduler.FromCurrentSynchronizationContext());
}
if (!IsModifierItemViewChanging && e.PropertyName == nameof(subMenuModifierItemView.IsSelected))
{
IsModifierItemViewChanging = true;
var minApplied = subMenuModifierItemView.SubMenuModifierGroup.MinApplied;
var maxApplied = subMenuModifierItemView.SubMenuModifierGroup.MaxApplied;
if (minApplied == 1 && subMenuModifierItemViews.Where(t => t.IsSelected).LongCount() == 0)
{
subMenuModifierItemView.IsSelected = (true);
}
if (subMenuModifierItemView.IsSelected)
{
if (maxApplied == 1)
{
foreach (var modifierItemViewGroup in subMenuModifierItemViews)
{
modifierItemViewGroup.IsSelected = (modifierItemViewGroup == subMenuModifierItemView);
}
}
}
foreach (var modifierItemViewGroup in subMenuModifierItemViews)
{
modifierItemViewGroup.RefreshEnabled();
}
Price = restaurantMenuItemModifierPage.UpdatePriceUnSave(ModifierItemView);
IsModifierItemViewChanging = false;
}
};
}
ListViewSubModifiers.ItemsSource = subMenuModifierItemViewsSource;
ListViewSubModifiers.ItemTapped += (sender, e) =>
{
if (e.Item != null)
{
ListViewSubModifiers.SelectedItem = null;
SubMenuModifierItemViewModel subMenuModifierItemView = e.Item as SubMenuModifierItemViewModel;
if (subMenuModifierItemView.IsEnabled)
{
subMenuModifierItemView.IsSelected = !subMenuModifierItemView.IsSelected;
}
}
};
Price = restaurantMenuItemModifierPage.UpdatePriceUnSave(ModifierItemView);
ButtonDone.Clicked += async(sender, e) =>
{
string error = string.Empty;
foreach (var subMenuModifierGroup in ModifierItemView.MenuModifierVM.SubMenuModifierGroups)
{
var minApplied = subMenuModifierGroup.MinApplied;
var itemsSelected = SubMenuModifierItemViews
.Where((t) => subMenuModifierGroup.ModifierIDs.Contains(t.SubMenuModifierVM.MenuModifier.ID))
.Where(s => s.IsSelected).ToList();
var countApplied = itemsSelected.Sum(t => t.Quantity);
if (countApplied < minApplied)
{
if (!string.IsNullOrEmpty(error))
{
error += "\n";
}
error += string.Format(AppResources.ChooseRequired, minApplied + " " + subMenuModifierGroup.DisplayName + " -");
}
}
if (string.IsNullOrEmpty(error))
{
ModifierItemView.IsSelected = true;
ModifierItemView.Save();
await Navigation.PopAsync().ConfigureAwait(false);
}
else
{
Device.BeginInvokeOnMainThread(async() =>
{
var notificator = DependencyService.Get <IToastNotificator>();
await notificator.Notify(ToastNotificationType.Error, AppResources.Error, error, TimeSpan.FromSeconds(5));
});
}
};
}
public void RenderListView(List <RMenuVM> Menus)
{
ListMenuItemViews.Clear();
foreach (var menuHeader in Menus)
{
ObservableCollection <MenuItemViewModel> menuItemViews = new ObservableCollection <MenuItemViewModel>();
RestaurantMenuListView restaurantMenuListView = new RestaurantMenuListView();
foreach (var menuSection in menuHeader.MenuGroups)
{
MenuItemViewModel menuItemView = new MenuItemViewModel();
menuItemView.SectionName = menuSection.Group.DisplayName;
menuItemView.SectionDetail = menuSection.Group.DetailedDescription;
menuItemViews.Add(menuItemView);
foreach (var menuItem in menuSection.MenuItems)
{
if (!menuItem.MenuItem.ComboOnly)
{
menuItemView = new MenuItemViewModel();
menuItemView.RestaurantMenuItem = new RestaurantMenuItemViewModel()
{
Id = menuItem.MenuItem.ID,
MenuId = menuHeader.Menu.ID,
DisplayName = menuItem.MenuItem.DisplayName,
BasePrice = menuItem.MenuItem.BasePrice,
DetailedDescription = menuItem.MenuItem.DetailedDescription,
MenuItemVM = menuItem
};
menuItemView.PropertyChanged += (sender, e) =>
{
if (e.PropertyName == nameof(menuItemView.IsSelected))
{
CheckCheckout();
}
};
menuItemViews.Add(menuItemView);
}
}
}
bool restaurantMenuListViewItemTapping = false;
restaurantMenuListView.ListViewMenus.ItemTapped += async(sender, e) =>
{
if (!restaurantMenuListViewItemTapping)
{
restaurantMenuListViewItemTapping = true;
if (e.Item != null)
{
var menuItemView = e.Item as MenuItemViewModel;
restaurantMenuListView.ListViewMenus.SelectedItem = null;
if (menuItemView.IsMenuItem)
{
if (menuItemView.IsEnabled)
{
var name = menuItemView.RestaurantMenuItem.DisplayName;
var restaurantMenuItemModifierPage = new RestaurantMenuItemModifierPage(RestaurantVM, menuItemView);
await Utils.PushAsync(Navigation, restaurantMenuItemModifierPage, true);
restaurantMenuItemModifierPage.Saved += (obj) =>
{
//var menuItemViewModels = (sender as ListView).ItemsSource.Cast<MenuItemViewModel>().ToList();
//var index = menuItemViewModels.IndexOf(menuItemView);
//foreach (var menuItemViewModel in menuItemViewModels.Skip(index - 10).Take(10))
//{
// menuItemViewModel.NeedUpdateSize();
//}
};
}
else
{
Device.BeginInvokeOnMainThread(() =>
{
if (this.Navigation.NavigationStack.LastOrDefault() == this && IsAppearing)
{
DisplayAlert(AppResources.MenuIsClosed, CheckMenuAvailableText, AppResources.OK);
}
});
}
}
}
restaurantMenuListViewItemTapping = false;
}
};
GridMenuItems.Children.Add(restaurantMenuListView);
restaurantMenuListView.ListViewMenus.ItemsSource = menuItemViews;
restaurantMenuListView.ListViewMenus.IsVisible = menuItemViews != null && menuItemViews.Count > 0;
ListMenuItemViews.Add(menuHeader.Menu.ID, menuItemViews);
}
}