// filling in the menu with food items
public void FillMenu()
{
try
{
var pizzaMarg = new Pizza("Pizza", "Margherita",
"Mozzarella, tomato sauce, oregano, evoo & fresh basil", 16);
var pizzaHaw = new Pizza("Pizza", "Hawaiian", "Premium leg ham, pineapple, mozzarella & tomato sauce",
18);
var pizzaMeat = new Pizza("Pizza", "Meat Lovers",
"Chorizo sausage, premium leg ham, rolled pancetta, mild sopressa salami, mushrooms, mozzarella, tomato sauce & oregano",
22);
var tiramisu = new FoodItems("Dessert", "Tiramisu",
"Fresh mascarpone cheese, Savoiardi biscuits, eggs, marsala, cacao powder & espresso coffee", 10);
var chocolate = new FoodItems("Dessert", "Philadelphia cheesecake",
"Homemade with fresh Philadelphia cream cheese", 11);
var water = new FoodItems("Beverage", "Water", "Cool ridge water 600ML", 2);
var juice = new FoodItems("Beverage", "Juice",
"Apple, Orange, Pineapple, Tomato, Apple and Blackcurrant, Cranberry", 4);
_menuItems.Add(pizzaMarg);
_menuItems.Add(pizzaHaw);
_menuItems.Add(pizzaMeat);
_menuItems.Add(tiramisu);
_menuItems.Add(chocolate);
_menuItems.Add(water);
_menuItems.Add(juice);
FoodItemsGrid.ItemsSource = null;
FoodItemsGrid.ItemsSource = _menuItems;
DeliveryBlock.Text = _deliveryPrice.ToString("C2", System.Globalization.CultureInfo.GetCultureInfo("en-US"));
}
catch (Exception ex)
{
// Some other error occurred.
// Report the error to the user.
MessageBox.Show(ex.Message, "Error");
}
}
// adding food items when "Add" button is clicked, only if every box has been filled in
public void AddItem_Click(object sender, RoutedEventArgs e)
{
try
{
if (TypeItems.SelectedItem?.ToString() != null &&
NextItemsCombo.SelectedItem?.ToString() != null &&
QuantityBox.Text != "" &&
NameBox.Text != "")
{
switch (_size)
{
case "Small":
_price *= 0.75;
break;
case "Large":
_price *= 1.25;
break;
}
_price *= _quantity;
_totalPrice += _price;
TotalBlock.Text = _totalPrice.ToString("C2", System.Globalization.CultureInfo.GetCultureInfo("en-US"));
DeliveryBlock.Text = _deliveryPrice.ToString("C2", System.Globalization.CultureInfo.GetCultureInfo("en-US"));
var foodItem = new FoodItems(
TypeItems.SelectionBoxItem.ToString(),
NextItemsCombo.SelectedItem.ToString(),
_price,
_quantity
);
_foodItems.Add(foodItem);
DataGridOrderFood.ItemsSource = null;
DataGridOrderFood.ItemsSource = _foodItems;
}
}
catch (FormatException)
{
MessageBox.Show(
"Invalid Input Values");
}
catch (Exception ex)
{
// Some other error occurred.
// Report the error to the user.
MessageBox.Show(ex.Message, "Error");
}
// clearing all the boxes
QuantityBox.Clear();
AddItem.IsEnabled = false;
_price = 0;
_quantity = 0;
_size = "";
NextItemsCombo.ItemsSource = null;
PizzaCrustCombo.SelectedIndex = -1;
NextItemsCombo.Visibility = Visibility.Hidden;
PizzaCrustCombo.Visibility = Visibility.Hidden;
PizzaSizeCombo.Visibility = Visibility.Hidden;
PizzaCrustBlock.Text = "";
PizzaSizeBlock.Text = "";
PizzaSizeCombo.SelectedIndex = -1;
TypeItems.SelectedIndex = -1;
FoodBlock.Text = "";
NameBox.Text = _name;
NameBox.IsEnabled = false;
}