private async void confirmButton_Click(object sender, RoutedEventArgs e) {
foreach (Control inputControl in _inputControls) {
if (String.IsNullOrWhiteSpace(((TextBox)inputControl).Text)) {
inputControl.Focus(FocusState.Programmatic);
return;
}
}
if (unitsComboBox.SelectedValue == null) {
unitsComboBox.Focus(FocusState.Programmatic);
unitsComboBox.IsDropDownOpen = true;
return;
}
Ingredient ingredient = new Ingredient(titleTextBox.Text, Decimal.Parse(countTextBox.Text), (UnitOfMeasurement)unitsComboBox.SelectedValue, Decimal.Parse(priceTextBox.Text));
// Is it an existing ingredient or new
if (_existingIngredient == null) {
App.DataModel.Ingredients.Add(ingredient);
}
else {
_existingIngredient.Title = ingredient.Title;
_existingIngredient.Count = ingredient.Count;
_existingIngredient.Price = ingredient.Price;
_existingIngredient.UnitOfMeasurement = ingredient.UnitOfMeasurement;
_existingIngredient.CalculatePricePerUnit();
await DataService.RecalculateProducts(ingredient);
}
base.GoBack();
}
public static async Task RecalculateProducts(Ingredient ingredient) {
await Window.Current.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => {
List<Product> changedProducts = App.DataModel.Products.Where(x => x.Ingredients.Any(y => y.Ingredient.Title == ingredient.Title)).ToList();
foreach (Product product in changedProducts) {
product.CalculateTotalPrice();
product.CalculatePricePerUnit();
}
});
}
public ProductIngredient(Ingredient ingredient, decimal ingredientCount)
{
this.Ingredient = ingredient;
this.IngredientCount = ingredientCount;
}
protected override void OnNavigatedTo(NavigationEventArgs e) {
base.OnNavigatedTo(e);
if (e.Parameter == null) {
return;
}
_existingIngredient = e.Parameter as Ingredient;
if (_existingIngredient != null) {
deleteButton.Visibility = Windows.UI.Xaml.Visibility.Visible;
titleTextBox.Text = _existingIngredient.Title;
countTextBox.Text = _existingIngredient.Count.ToString();
priceTextBox.Text = _existingIngredient.Price.ToString();
unitsComboBox.SelectedItem = _existingIngredient.UnitOfMeasurement;
}
}