//this method all the all items in the menu lists
private void LoadMenuItems()
{
beverageItems = new ObservableCollection <MenuItems>();
appetizerItems = new ObservableCollection <MenuItems>();
mainCourseItems = new ObservableCollection <MenuItems>();
dessertItems = new ObservableCollection <MenuItems>();
//adding all the values for beverage category
//adding all the items one by one
MenuItems menuItem = new MenuItems("Soda", "Beverage", 1.95M);
beverageItems.Add(menuItem);
menuItem = new MenuItems("Tea", "Beverage", 1.50M);
beverageItems.Add(menuItem);
menuItem = new MenuItems("Coffee", "Beverage", 1.25M);
beverageItems.Add(menuItem);
menuItem = new MenuItems("Mineral Water", "Beverage", 2.95M);
beverageItems.Add(menuItem);
menuItem = new MenuItems("Juice", "Beverage", 2.50M);
beverageItems.Add(menuItem);
menuItem = new MenuItems("Milk", "Beverage", 1.50M);
beverageItems.Add(menuItem);
//load the combo box for beverages
listBeverage.DataContext = beverageItems;
//adding all the values for mainCourse category
menuItem = new MenuItems("Chicken Alfredo", "Main Course", 13.95M);
mainCourseItems.Add(menuItem);
menuItem = new MenuItems("Chicken Picatta", "Main Course", 13.95M);
mainCourseItems.Add(menuItem);
menuItem = new MenuItems("Turkey Club", "Main Course", 11.95M);
mainCourseItems.Add(menuItem);
menuItem = new MenuItems("Lobster Pie", "Main Course", 19.95M);
mainCourseItems.Add(menuItem);
menuItem = new MenuItems("Prime Rib", "Main Course", 20.95M);
mainCourseItems.Add(menuItem);
menuItem = new MenuItems("Shrimp Scampi", "Main Course", 18.95M);
mainCourseItems.Add(menuItem);
menuItem = new MenuItems("Turkey Dinner", "Main Course", 13.95M);
mainCourseItems.Add(menuItem);
menuItem = new MenuItems("Stuffed Chicken", "Main Course", 14.95M);
mainCourseItems.Add(menuItem);
menuItem = new MenuItems("Seafood Alfredo", "Main Course", 15.95M);
mainCourseItems.Add(menuItem);
//load the combo box for mainCourse
listMainCourse.DataContext = mainCourseItems;
//adding all the values for appetizer category
menuItem = new MenuItems("Buffalo Wings", "Appetizer", 5.95M);
appetizerItems.Add(menuItem);
menuItem = new MenuItems("Buffalo Fingers", "Appetizer", 6.95M);
appetizerItems.Add(menuItem);
menuItem = new MenuItems("Potato Skins", "Appetizer", 9.95M);
appetizerItems.Add(menuItem);
menuItem = new MenuItems("Nachos", "Appetizer", 8.95M);
appetizerItems.Add(menuItem);
menuItem = new MenuItems("Mushroom Caps", "Appetizer", 10.95M);
appetizerItems.Add(menuItem);
menuItem = new MenuItems("Shrimp Cocktail", "Appetizer", 12.95M);
appetizerItems.Add(menuItem);
menuItem = new MenuItems("Chips and Salsa", "Appetizer", 6.95M);
appetizerItems.Add(menuItem);
//load the combo box for appetizers
listAppetizer.DataContext = appetizerItems;
//adding all the values for dessert category
menuItem = new MenuItems("Apple Pie", "Dessert", 5.95M);
dessertItems.Add(menuItem);
menuItem = new MenuItems("Sundae", "Dessert", 3.95M);
dessertItems.Add(menuItem);
menuItem = new MenuItems("Carrot Cake", "Dessert", 5.95M);
dessertItems.Add(menuItem);
menuItem = new MenuItems("Mud Pie", "Dessert", 4.95M);
dessertItems.Add(menuItem);
menuItem = new MenuItems("Apple Crips", "Dessert", 5.95M);
dessertItems.Add(menuItem);
// Load into combobox for deserts items
listDessert.DataContext = dessertItems;
}
//this method collects all the items selected throught check boxes and add them to the table bill
private void viewOrderButton_Click(object sender, RoutedEventArgs e)
{
try
{
//using the foreach loop to get the selected beverages from the list
foreach (var item in listBeverage.Items)
{
//creating a list for new found items
MenuItems menuItems = (MenuItems)item;
if (menuItems.IsSelected)
{
//add the items to Table bill
((TableBill)this.Tag)
.Menu_Items_All.
Add(menuItems);
}
}//foreach beverages
//using the foreach loop to get the selected appetizers from the list
foreach (var item in listAppetizer.Items)
{
//creating a list for new found items
MenuItems menuItems = (MenuItems)item;
if (menuItems.IsSelected)
{
//add the items to Table bill
((TableBill)this.Tag)
.Menu_Items_All.
Add(menuItems);
}
}//foreach appetizers
//using the foreach loop to get the selected mainCOURSE from the list
foreach (var item in listMainCourse.Items)
{
//creating a list for new found items
MenuItems menuItems = (MenuItems)item;
if (menuItems.IsSelected)
{
//add the items to Table bill
((TableBill)this.Tag)
.Menu_Items_All
.Add(menuItems);
}
}//foreach maincourse
//using the foreach loop to get the selected desserts from the list
foreach (var item in listDessert.Items)
{
//creating a list for new found items
MenuItems menuItems = (MenuItems)item;
if (menuItems.IsSelected)
{
//add the items to Table bill
((TableBill)this.Tag).Menu_Items_All.Add(menuItems);
}
}//foreach desserts
// if user select atleast one item from the menu then generate the bill
if (((TableBill)this.Tag).Menu_Items_All.Count > 0)
{
//this window displays the bill information
BillWindow billWindow = new BillWindow();
billWindow.Tag = ((TableBill)this.Tag);
this.Hide();
//show the bill information
billWindow.ShowDialog();
//closes the window
this.Close();
}
//if user does not select anything from the bill
else
{
//this message box display the error message
MessageBox.Show("Select atleast one item to generate bill!");
}
}
catch (Exception exeception)
{
MessageBox.Show(exeception.Message);
}
}
