/*
* CloudPos_ItemRemoved is raised when an item is removed from the Basket.
*
* Again, we update listBasket, by removing the matching item.
*/
private void CloudPos_ItemRemoved(object sender, BasketItem item)
{
UpdateGUI(() =>
{
foreach (ListViewItem lvItem in listBasket.Items)
{
if (lvItem.Tag.ToString() == item.Id.ToString())
{
lvItem.Remove();
break;
}
}
RefreshButtonStates();
});
if (item.Type == "PURCHASE")
{
PurchaseBasketItem p = (PurchaseBasketItem)item;
Log(item.Type + " Removed: " + p.Product.Description);
}
else if (item.Type == "REFUND")
{
RefundBasketItem r = (RefundBasketItem)item;
Log(item.Type + " Removed: " + r.Product.Description);
}
}
/*
* CloudPos_ItemAdded is raised when an item is added to the Basket, including
* both PURCHASE items and REFUND items.
*
* Here, we update listBasket with the new item.
*
* NOTE: If the BasketItem to be added contains SubItems (within .Product.Items),
* we iterate through the .Product.Items collection and add each SubItem to the POS
* basket, rather than the parent Product. This is true even if the .Product.Items
* collection contains just one SubItem. This is because we use this as a way of
* overriding the EAN and/or Description of the product to be added to the basket.
*/
private void CloudPos_ItemAdded(object sender, BasketItem item)
{
UpdateGUI(() =>
{
if (item.Type == "PURCHASE")
{
PurchaseBasketItem purchase = (PurchaseBasketItem)item;
if (purchase.Product.Items == null || purchase.Product.Items.Count == 0)
{
ListViewItem lvItem = new ListViewItem(purchase.Product.Description);
lvItem.Tag = purchase.Id;
lvItem.SubItems.Add(purchase.Product.Price.Amount.ToString("C"));
lvItem.SubItems.Add(purchase.Product.Ean);
lvItem.SubItems.Add(purchase.Id.ToString());
listBasket.Items.Add(lvItem);
}
else // we have at least one SubItem in the .Product.Items collection
{
foreach (SubItem subItem in purchase.Product.Items)
{
ListViewItem lvItem = new ListViewItem(subItem.Description);
lvItem.Tag = purchase.Id;
lvItem.SubItems.Add(subItem.Amount.ToString("C"));
lvItem.SubItems.Add(subItem.Ean);
lvItem.SubItems.Add(purchase.Id.ToString());
listBasket.Items.Add(lvItem);
}
}
}
else if (item.Type == "REFUND")
{
RefundBasketItem refund = (RefundBasketItem)item;
if (refund.Product.Items == null || refund.Product.Items.Count == 0)
{
ListViewItem lvItem = new ListViewItem(refund.Product.Description);
lvItem.Tag = refund.Id;
lvItem.SubItems.Add(refund.Product.Price.Amount.ToString("C"));
lvItem.SubItems.Add(refund.Product.Ean);
lvItem.SubItems.Add(refund.Id.ToString());
listBasket.Items.Add(lvItem);
}
else // we have at least one SubItem in the .Product.Items collection
{
foreach (SubItem subItem in refund.Product.Items)
{
ListViewItem lvItem = new ListViewItem(subItem.Description);
lvItem.Tag = refund.Id;
lvItem.SubItems.Add(subItem.Amount.ToString("C"));
lvItem.SubItems.Add(subItem.Ean);
lvItem.SubItems.Add(refund.Id.ToString());
listBasket.Items.Add(lvItem);
}
}
}
RefreshButtonStates();
});
if (item.Type == "PURCHASE")
{
PurchaseBasketItem p = (PurchaseBasketItem)item;
Log(item.Type + ": " + p.Product.Description);
}
else if (item.Type == "REFUND")
{
RefundBasketItem r = (RefundBasketItem)item;
Log(item.Type + ": " + r.Product.Description);
}
}
