private void transactionEventHandler(object sender, GetAllTransactionsEventArgs args)
{
if (listView_transactions.InvokeRequired)
{
listView_transactions.Invoke(new populateTransactionsViewDelegate(populateView), new object[] { sender, args });
}
else
{
populateView(sender, args);
}
}
private void populateView(object sender, GetAllTransactionsEventArgs args)
{
showBusyIndicator();
// tell the listView it is being updated
listView_transactions.BeginUpdate();
// clear the list
foreach (ListViewItem item in listView_transactions.Items)
{
listView_transactions.Items.Remove(item);
}
// populate it
foreach (var transaction in args.getList())
{
string[] itemArr = new string[9];
itemArr[0] = transaction.TransactionID.ToString();
itemArr[1] = transaction.Timestamp;
if (transaction.customer != null)
{
itemArr[2] = transaction.customer.CustomerID.ToString();
itemArr[3] = transaction.customer.FullName;
}
itemArr[4] = transaction.staff.StaffID.ToString();
itemArr[5] = transaction.staff.FullName;
itemArr[6] = transaction.product.ProductIDNumber;
itemArr[7] = transaction.product.Description;
itemArr[8] = transaction.product.price.ToString();
ListViewItem transactionItem = new ListViewItem(itemArr);
transactionItem.Font = new Font(transactionItem.Font, FontStyle.Regular);
listView_transactions.Items.Add(transactionItem);
}
// tell the listView it is ready
listView_transactions.EndUpdate();
removeBusyIndicator();
}
// event handler for model events
private void loadDataEventHandler(object sender, GetAllTransactionsEventArgs args)
{
transactionList = args.getList().ToList();
}
