/// <summary>
/// Prints Ticket collection
/// </summary>
private void ProcessPrint(List <Spot> spots)
{
if (spots.Count == 0)
{
return;
}
Spot spotBlank = spots.FirstOrDefault(x => x.Blank == null);
if (spotBlank != null)
{
StatusText = OperationResult = "Недостаточно бланков для печати. Печать отменена";
return;
}
spots.Sort();
_printProgress = new PrintProgress
{
Message = "Идет печать билетов..."
};
_printProgress.Cancel += CancelProcess;
_worker = new BackgroundWorker {
WorkerSupportsCancellation = true
};
Dispatcher dispatcher = _progressDialog.Dispatcher;
int ticketsCount = spots.Count;
int printedCount = 0;
_worker.DoWork += delegate(object s, DoWorkEventArgs args)
{
decimal percent = 100 / (ticketsCount);
int progress = 0;
for (int i = 1; i <= ticketsCount; i++)
{
if (_worker.CancellationPending)
{
args.Cancel = true;
return;
}
Spot spot = spots[i - 1];
if (spot.Status == ItemStatus.Sold)
{
string msg = string.Format("{0} из {1} - печать билета № {2} на бланке {3}", i, ticketsCount, spot.Id, spot.Blank.Key);
_updatePrintDelegate = UpdatePrintText;
dispatcher.BeginInvoke(_updatePrintDelegate, progress, msg);
byte[] bytes = GetTicketImage(Customer.Order.Id, spot.Id, 2).ToArray();
//Thread.Sleep(500);
//bool result = _printRequest.Print(bytes);
bool result = true;
if (!result)
{
PrinterStatus = string.Format("Ошибка печати билета № {0} ", spot.Id);
_worker.CancelAsync();
}
else
{
Ticket ticket = new Ticket
{
Id = spot.Id,
BlankId = spot.Blank.Id,
Status = ItemStatus.Printed
};
ticket = Access.SetTicketPrinted(ticket);
if (ticket.BlankId == spot.Blank.Id)
{
spot.Status = ItemStatus.Printed;
}
else
{
//t.Status = ItemStatus.Printed;
}
}
}
progress = (int)(progress + percent);
printedCount++;
}
};
_worker.RunWorkerCompleted += delegate
{
_printProgress.Close();
_worker = null;
};
_worker.RunWorkerAsync();
_printProgress.ShowDialog();
StatusText =
OperationResult =
String.Format("Печать завершена. Напечатано {0} из {1} билетов.", printedCount, ticketsCount);
BaseData.ClearCache();
}