private void bnClear_Click(object sender, EventArgs e)
{
syst.clearTransaction();
tbName.Text = "";
tbPrice.Text = "";
currentTransaction = null;
}
private void bnScan_Click(object sender, EventArgs e)
{
if (currentTransaction == null) currentTransaction = new Transaction();
try
{
int bc = int.Parse(tbBarCode.Text);
Item i = syst.locateItem(bc);
currentTransaction.addItem(i);
tbName.Text = i.getName();
tbPrice.Text = String.Format("{0:0.00}", i.getPrice());
}
catch { MessageBox.Show("Item not found"); }
tbBarCode.Text = "";
}
private void bnTotal_Click(object sender, EventArgs e)
{
if (currentTransaction == null) MessageBox.Show("No current Transaction");
else
{
currentTransaction.executeTransaction();
List<string> sl = currentTransaction.displayItems();
if (sl != null)
{
ListDialog listDialog = new ListDialog();
listDialog.AddDisplayItems(sl.ToArray());
listDialog.ShowDialog();
syst.addTransaction(currentTransaction);
}
currentTransaction = null;
}
tbName.Text = "";
tbPrice.Text = "";
}
/*
* Add a transaction to the list.
*/
public void addTransaction(Transaction t)
{
_transactionList.Add(t);
}