private void bnShowWishlist_Click(object sender, EventArgs e)
{
// XXX Show WishList Button event handler
while (true)
{
try
{
// to capture an excepton by SelectedItem/SelectedIndex of wishListDialog
wishListDialog.ClearDisplayItems();
//wishListDialog.AddDisplayItems(null); // XXX null is a dummy argument
if (!BookShopControl.isCustomerLoggedIn)
{
throw new BookShopException("You are not logged in.");
}
if (BookShopControl.LoggedinCustomer.howManyItemsOnWishList <= 0)
{
throw new BookShopException("There are no items on your wishlist.");
}
BookShopControl.updateWishListDialog(wishListDialog);
if (wishListDialog.Display() == DialogReturn.Done)
{
return;
}
// select is pressed
//XXX
BookShopControl.updateWishListDialog(bookInWishListDialog, wishListDialog);
switch (bookInWishListDialog.Display())
{
case DialogReturn.AddToCart:
// XXX
BookShopControl.addBookToCustomerCart(BookShopControl.LoggedinCustomer.wishList[wishListDialog.SelectedIndex].isbn);
continue;
case DialogReturn.Remove:
// XXX
BookShopControl.removeBookFromCustomerWishList(BookShopControl.LoggedinCustomer.wishList[wishListDialog.SelectedIndex].isbn);
continue;
case DialogReturn.Done: // Done
continue;
}
}
catch (BookShopException bsex)
{
MessageBox.Show(this, bsex.ErrorMessage);
return;
}
catch (NullReferenceException nex)
{
//throw new BookShopException("There are no items on your wishlist.");
return;
}
}
}