public RestaurantMenuItemModifierPage(RestaurantVM restaurantVM, MenuItemViewModel menuItemView, MenuGroupModifierItem menuGroupModifierItem = null) { RestaurantVM = restaurantVM; MenuItemView = menuItemView; MenuItemVM = menuItemView.RestaurantMenuItem.MenuItemVM; MenuGroupModifierItem = menuGroupModifierItem; Price = MenuItemVM.MenuItem.BasePrice; InitializeComponent(); NavigationPage.SetBackButtonTitle(this, AppResources.Back); //this.NumberEntryViewQuantity.Entry.Text = "1"; this.Quantity = 1; //this.ToolbarItems.Add(new ToolbarItem() //{ // Icon = "check_white.png", // Command = new Command(() => // { // SaveOrAddToCart(); // }), //}); if (MenuGroupModifierItem != null) { //this.NumberEntryViewQuantity.Entry.Text = Convert.ToString(MenuGroupModifierItem.Quantity); this.Quantity = MenuGroupModifierItem.Quantity; Feedback = MenuGroupModifierItem.Comment; ButtonAddToCart.Text = AppResources.Save; } ButtonAddToCart.Clicked += (sender, e) => { SaveOrAddToCart(); }; //ButtonFeedbackDone.Clicked += (sender, e) => //{ // EditorFeedback.Unfocus(); // GridFeedback.IsVisible = false; //}; //this.NumberEntryViewQuantity.Entry.TextChanged += (sender, e) => //{ // Device.BeginInvokeOnMainThread(() => // { // Price = UpdatePrice(this.MenuItemVM, this.MenuItemModifiers, this.Quantity); // }); //}; ListViewModifiers.ItemSelected += (sender, e) => { if (e.SelectedItem != null) { ListViewModifiers.SelectedItem = null; ModifierItemViewModel modifierItemView = e.SelectedItem as ModifierItemViewModel; if (modifierItemView.IsItem && modifierItemView.IsEnabled) { if (modifierItemView.MenuModifierVM.SubMenuModifiers.Count > 0) { RestaurantMenuItemSubModifierPage restaurantMenuItemSubModifierPage = new RestaurantMenuItemSubModifierPage(this, modifierItemView); Utils.PushAsync(Navigation, restaurantMenuItemSubModifierPage, true); } else { modifierItemView.IsSelected = !modifierItemView.IsSelected; modifierItemView.Save(); } } } }; }
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)); }); } }; }