/// <summary>
/// Adds an item to the list
/// </summary>
/// <param name="item">Item being added</param>
public void Add(IOrderItem item)
{
if (item is INotifyPropertyChanged notifier)
{
notifier.PropertyChanged += OnItemPropertyChange;
}
items.Add(item);
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
}
/// <summary>
/// Adds an order to the list of items, updates subtotal, and communicates with PropertyChanged
/// </summary>
/// <param name="item"></param>
public void Add(IOrderItem item)
{
if (item is INotifyPropertyChanged notifier)
{
notifier.PropertyChanged += OnItemPropertyChanged;
}
items.Add(item);
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SpecialInstructions"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("TotalWithTax"));
}
/// <summary>
/// Adds the passed item to the list of order items and notifies
/// the MainWindow that Items has changed. It also subscribes to the
/// PropertyChanged event handler in each item so it can invoke its
/// own PropertyChanged event handler.
/// </summary>
/// <param name="item">The element to be added to Items.</param>
public void Add(IOrderItem item)
{
double preSubtotal = Subtotal;
items.Add(item);
item.PropertyChanged += OnItemChanged;
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
if (!(Math.Abs(Subtotal - preSubtotal) < 0.001))
{
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
}
}
/// <summary>
/// method to remove an item from an order
/// </summary>
/// <param name="item"></param>
public void Remove(IOrderItem item)
{
if (item is INotifyPropertyChanged notifier)
{
notifier.PropertyChanged += OnItemPropertyChanged;
}
items.Remove(item);
Subtotal -= item.Price;
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
}
/// <summary>
/// Adds an item to the order
/// </summary>
/// <param name="item"></param>
public void Add(IOrderItem item)
{
items.Add(item);
if (item is INotifyPropertyChanged pcitem)
{
pcitem.PropertyChanged += OnItemChanged;
}
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Price"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SpecialInstructions"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Total"));
}
/// <summary>
/// removes an item from items
/// </summary>
/// <param name="item">the backing variable for the order</param>
public void Remove(IOrderItem item)
{
if (item is INotifyPropertyChanged notifier)
{
notifier.PropertyChanged -= OnItemPropertyChanged;
}
items.Remove(item);
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));//was Items
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("OrderNumber"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Price"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SpecialInstructions"));//added 3.11
}
/// <summary>
/// This method will add everything that is needed to respective list for the client
/// </summary>
/// <param name="i">The item needed to be added to the list</param>
public void Add(IOrderItem i)
{
/* Do some computation here to make it easier in the future */
double priceOfItem = i.Price;
string priceOfItemAsCurrency = String.Format("{0:C}", priceOfItem);
Subtotal += priceOfItem;
/* Add the computed values to their respective lists */
items.Add(i);
itemPrices.Add(priceOfItemAsCurrency);
InvokePropertyChanged();
}
/// <summary>
/// This method will remove everything related to the item passed in from the reciept
/// </summary>
/// <param name="i">The item needed to be removed to the list</param>
public void Remove(IOrderItem i)
{
/* Do some computation here too to ensure everything is removed */
double priceOfItem = i.Price;
string priceOfItemAsCurrency = String.Format("{0:C}", priceOfItem);
Subtotal -= priceOfItem;
/* Remove the computed values to their respective lists */
items.Add(i);
itemPrices.Add(priceOfItemAsCurrency);
InvokePropertyChanged();
}
/// <summary>
/// On Add, invoke the event, and update he properties.
/// </summary>
/// <param name="item"></param>
public void Add(IOrderItem item)
{
items.Add(item);
if (item is INotifyPropertyChanged changeditem)
{
changeditem.PropertyChanged += OnItemPropertyChanged;
}
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("orderNumber"));
}
/// <summary>
/// removes item
/// </summary>
/// <param name="item">item removed</param>
public void Remove(IOrderItem item)
{
items.Remove(item);
OnItemPropertyChanged(this, new PropertyChangedEventArgs("Price"));
if (item is INotifyPropertyChanged notifier)
{
notifier.PropertyChanged -= OnItemPropertyChanged;
}
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SpecialInstructuions"));
}
/// <summary>
/// Remove an item from the list of items in an order
/// </summary>
/// <param name="item"></param>
public void Remove(IOrderItem item)
{
if (items.Contains(item))
{
items.Remove(item);
if (item is INotifyPropertyChanged pcitem)
{
pcitem.PropertyChanged -= OnItemChanged;
}
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
}
}
/// <summary>
/// The method that adds for the binding data and updates the items and subtotals
/// </summary>
/// <param name="item"></param>
public void Add(IOrderItem item)
{
items.Add(item);
if (item is INotifyPropertyChanged pcitem) // Don't leave in
{
pcitem.PropertyChanged += OnItemChanged;
//item.PropertyChanged += OnItemChanged; //Implement on every single item and IOrder Item
}
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
}
/// <summary>
/// Returns the price of a drink or side based off size
/// </summary>
/// <param name="item">Drink or Side</param>
/// <param name="size">Size of item</param>
/// <returns>Price of item</returns>
public static double GetPrice(IOrderItem item, Size size)
{
if (item is Side side)
{
side.Size = size;
return(side.Price);
}
if (item is Drink drink)
{
drink.Size = size;
return(drink.Price);
}
return(0);
}
/// <summary>
/// Removes the selected item from the order
/// </summary>
/// <param name="item"></param>
public void Remove(IOrderItem item)
{
string priceOfItemAsCurrency = String.Format("{0:C}", item.Price);
itemPrices.Remove(priceOfItemAsCurrency);
Subtotal -= item.Price;
items.Remove(item);
if (item is INotifyPropertyChanged notifier)
{
notifier.PropertyChanged -= OnItemPropertyChanged;
}
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
}
/// <summary>
/// Returns the calories in a drink or side based off size
/// </summary>
/// <param name="item">Drink or Side</param>
/// <param name="size">Size of item</param>
/// <returns>Calories in item</returns>
public static uint GetCalories(IOrderItem item, Size size)
{
if (item is Side side)
{
side.Size = size;
return(side.Calories);
}
if (item is Drink drink)
{
drink.Size = size;
return(drink.Calories);
}
return(0);
}
/// <summary>
/// removes an item from the order
/// </summary>
/// <param name="Item"></param>
public void Remove(IOrderItem Item)
{
items.Remove(Item);
prices.Remove(Item.Price);
if (Item is INotifyPropertyChanged)
{
Item.PropertyChanged -= onItemChanged;
}
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Prices"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Instructions"));
}
/// <summary>
/// This method will remove everything related to the item passed in from the reciept
/// </summary>
/// <param name="i">The item needed to be removed to the list</param>
public void Remove(IOrderItem i)
{
/* Do some computation here too to ensure everything is removed */
double priceOfItem = i.Price;
Subtotal -= priceOfItem;
/* Remove the computed values to their respective lists */
int index = items.IndexOf(i);
items.Remove(i);
itemPrices.RemoveAt(index);
InvokePropertyChanged();
}
/// <summary>
/// Inspired by Zachary's order helper function, helps change the subtotal
/// </summary>
/// <param name="item">item who has a size change.</param>
public void SubHelp(IOrderItem item, Size size)
{
subtotal -= item.Price;
if (item is Side sid)
{
sid.Size = size;
subtotal += sid.Price;
}
if (item is Drink drin)
{
drin.Size = size;
subtotal += drin.Price;
}
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
}
/// <summary>
/// Method to add items to order summary when the buttons are invoked
/// </summary>
/// <param name="item"></param>
public void Add(IOrderItem item)
{
items.Add(item);
priceList.Add(item.Price);
if (item is INotifyPropertyChanged pcitem)
{
pcitem.PropertyChanged += OnItemChanged;
} // need to do this on every item and iorder interface do not leave this if in code
SubTotal += item.Price;
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Price"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("SpecialInstructions"));
}
/// <summary>
/// Removes and IOrderItem from the order
/// </summary>
/// <param name="item"></param>
public void Remove(IOrderItem item)
{
items.Remove(item);
if (item is INotifyPropertyChanged pcitem)
{
pcitem.PropertyChanged -= OnItemChanged;
}
Subtotal -= item.Price;
Total = Subtotal * 1.16;
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Total"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Price"));
}
/// <summary>
/// Adds the selected item to the order
/// </summary>
/// <param name="item"></param>
public void Add(IOrderItem item)
{
items.Add(item);
//Puts item in currency format to be added to the item prices list (thanks Zachery)
string priceOfItemAsCurrency = String.Format("{0:C}", item.Price);
itemPrices.Add(priceOfItemAsCurrency);
Subtotal += item.Price;
if (item is INotifyPropertyChanged notifier)
{
notifier.PropertyChanged += OnItemPropertyChanged;
}
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
}
/// <summary>
/// Removes item from order.
/// </summary>
/// <param name="item">Item to remove</param>
public void Remove(IOrderItem item)
{
if (item == null)
{
return;
}
items.Remove(item);
if (item is INotifyPropertyChanged pcitem)
{
pcitem.PropertyChanged -= OnItemChanged;
}
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Tax"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Total"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Owed"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("PaidOff"));
}
/// <summary>
/// Author: Zachary Brunner
/// This method assists in updating the subtotal for changing sizes
/// </summary>
/// <param name="i">The item</param>
/// <param name="new_size">The size the item is suppose to be</param>
public void subtotalHelperFunction(IOrderItem i, Size new_size)
{
Side s;
Drink d;
subtotal -= i.Price;
if (i is Side)
{
s = (Side)i;
s.Size = new_size;
subtotal += s.Price;
}
else
{
d = (Drink)i;
d.Size = new_size;
subtotal += d.Price;
}
InvokePropertyChanged();
}
/// <summary>
/// Method that gets an IEnumerable of all items.
/// </summary>
/// <returns>An IEnumerable containing an instance of each IOrderItem class</returns>
public static IEnumerable <IOrderItem> CompleteMenu()
{
IEnumerable <IOrderItem> menuEnumerable = new IOrderItem[]
{
new AngryChicken(),
new CowpokeChili(),
new DakotaDoubleBurger(),
new PecosPulledPork(),
new RustlersRibs(),
new TexasTripleBurger(),
new TrailBurger(),
new BakedBeans(),
new ChiliCheeseFries(),
new CornDodgers(),
new PanDeCampo(),
new CowboyCoffee(),
new JerkedSoda(),
new TexasTea(),
new Water()
};
return(menuEnumerable);
}
/// <summary>
/// This method assists in updating the subtotal for changing sizes
/// *** This method has been implemented from Zachery Burner I did not come up with it ***
/// </summary>
/// <param name="i">The item</param>
/// <param name="new_size">The size the item is suppose to be</param>
public void subtotalHelperFunction(IOrderItem i, Size new_size)
{
Side s;
Drink d;
Subtotal -= i.Price;
if (i is Side)
{
s = (Side)i;
s.Size = new_size;
Subtotal += s.Price;
}
else
{
d = (Drink)i;
d.Size = new_size;
Subtotal += d.Price;
}
itemPrices.RemoveAt(itemPrices.Count - 1);
string priceOfItemAsCurrency = String.Format("{0:C}", i.Price);
itemPrices.Add(priceOfItemAsCurrency);
}
/// <summary>
/// Removes the IOrderItem from the list of items
/// </summary>
public void Remove(IOrderItem item)
{
items.Remove(item);
}
/// <summary>
/// Add an item to the order
/// </summary>
/// <param name="item">Item to add</param>
public void Add(IOrderItem item)
{
items.Add(item);
ItemChanged(this, new PropertyChangedEventArgs("Price"));
item.PropertyChanged += ItemChanged;
}
/// <summary>
/// Remove an item from the order
/// </summary>
/// <param name="item">Item to remove</param>
public void Remove(IOrderItem item)
{
items.Remove(item);
ItemChanged(this, new PropertyChangedEventArgs("Price"));
item.PropertyChanged -= ItemChanged;
}
/// <summary>
/// Adds the IOrderItem to the list of items
/// </summary>
public void Add(IOrderItem item)
{
items.Add(item);
}
/// <summary>
/// Remove an item from the items list.
/// </summary>
/// <param name="item">The item to remove.</param>
public void Remove(IOrderItem item)
{
items.Remove(item);
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Subtotal"));
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs("Items"));
}
