private void bnShowCart_Click(object sender, EventArgs e)
{
// XXX Show Cart Button event handler
while (true)
{
try
{
// to capture an exception from SelectedIndex/SelectedItem of carDisplay
cartDialog.ClearDisplayItems();
//cartDialog.AddDisplayItems(null); // null is a dummy argument
BookShopControl.showCartInformation(cartDialog);
switch (cartDialog.Display())
{
case DialogReturn.CheckOut: // check out
// XXX
BookShopControl.checkOutCustomer();
return;
case DialogReturn.ReturnBook: // remove a book
// XXX
BookShopControl.removeBookFromCustomerCart(BookShopControl.LoggedinCustomer.currentCart.itemsPurchased[cartDialog.SelectedIndex].purchaseBook.isbn);
continue;
case DialogReturn.Done: // cancel
return;
}
}
catch (BookShopException bsex)
{
MessageBox.Show(this, bsex.ErrorMessage);
continue;
}
catch (NullReferenceException nex)
{
MessageBox.Show(this, nex.Message);
return;
}
}
}
void initial_Load()
{
//temporary variables
//TODO change this to work directly with the class
List<Customer> listOfCustomers = new List<Customer>();
List<Book> listOfBooks = new List<Book>();
List<Transaction> listOfPendingTransactions = new List<Transaction>();
List<Transaction> listOfCompleteTransactions = new List<Transaction>();
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "BookStore Data Files|*.bdf";
openFileDialog.InitialDirectory = Application.StartupPath;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
TextReader trs = new StreamReader(openFileDialog.FileName);
string s;
List<string> words;
int stringIndex;
while (((s = trs.ReadLine()) != null) && (s != ""))
{
words = new List<string>();
while (true)
{
if ((stringIndex = s.IndexOf('#')) == -1) break;
words.Add(s.Substring(0, stringIndex).Trim());
s = s.Substring(stringIndex + 1);
}
if (words.Count > 0)
{
try
{ // to catprue an exception from getInt( ) getDecimal
switch (words[0])
{
case "AddBook":
decimal price = getDecimal(words[5]);
int stock = getInt(words[7]);
// XXX use words[1]~words[4], price, words[6], and stock to register a book
ControlShop.listOfBooks.Add(new Book(words[1], words[2], words[3], words[4], price, words[6], stock));
break;
case "AddCustomer":
// XXX use words[1]~words[7] to register a customer
ControlShop.listOfCustomers.Add(new Customer(words[1], words[2], words[3], words[4], words[5], words[6], words[7]));
//ControlShop.addCustomerTodictionary(words[3], );
break;
case "Login":
// XXX use words[1] and words[2] to login a customer
ControlShop.findCustomerLogin(words[1], words[2]);
customerWindow.updateLabel = ControlShop.LoggedinCustomer.userName;
break;
case "AddBookToWishList":
// XXX use words[1] (ISBN) to register the book in the current customer's wishlist
ControlShop.addBookToCustomerWishList(words[1]);
break;
case "AddBookToCart":
// XXX use words[1] (ISBN) to add the book in the current customer's cart
ControlShop.addBookToCustomerCart(words[1]);
break;
case "CheckOut":
// XXX check out the current customer's cart
ControlShop.checkOutCustomer();
break;
case "ProcessPendingTransaction":
// XXX use words[1] (index of the pending transactions) to identify the pending
// transaction to approve
ControlShop.approveTransaction(ControlShop.listOfPendingTransactions[Int32.Parse(words[1])]);
break;
default:
MessageBox.Show(this, "Unknown Operation : " + words[0]);
break;
}
}
catch (BookShopException ex)
{
MessageBox.Show(this, ex.ErrorMessage);
}
}
}
}
//ControlShop.updateObject(listOfCustomers, listOfBooks, listOfPendingTransactions, listOfCompleteTransactions);
//ControlShop.LoggedinCustomer = null;
}