/// <summary>
/// Dispatch the scancode with the given workitem delegate.
/// The scanCode must already be normalized. The delegate should take care of dispatching
/// to the correct upcc handler AND must include the delegate to remove the reentrancy item
/// </summary>
/// <param name="delDispatch"></param>
/// <param name="delAdjust"></param>
/// <param name="scanCode"></param>
/// <param name="fErrorSoundsOnly"></param>
/// <param name="crids"></param>
void DispatchScanCodeCore(
AdjustScanCode delAdjust,
DoHandleDispatchScanCodeDelegate delDispatch,
string scanCode,
string sExtra,
string sExtra2,
bool fCheckOnly,
bool fErrorSoundsOnly,
Guid crids)
{
string scanCodeAdjusted = delAdjust(scanCode);
if (scanCodeAdjusted.StartsWith("!!"))
{
m_lp.LogEvent(crids, EventType.Error, scanCodeAdjusted);
SetFocus(ebScanCode, false);
m_sb.AddMessage(m_fErrorSoundsOnly ? AlertType.None : AlertType.BadInfo, scanCodeAdjusted);
return;
}
// guard against reentrancy on the same scan code.
m_lp.LogEvent(crids, EventType.Verbose, "About to check for already processing: {0}", scanCodeAdjusted);
if (!FAddProcessingCode(scanCodeAdjusted, CorrelationID.FromCrids(crids)))
{
// even if we bail out...set the focus
SetFocus(ebScanCode, false);
return;
}
// The removal of the reentrancy guard will happen asynchronously
int workId = m_board.CreateWork(scanCodeAdjusted, null);
WorkBoard.WorkItemDispatch del = async() =>
{
await delDispatch(
workId,
scanCodeAdjusted,
sExtra,
sExtra2,
fCheckOnly,
fErrorSoundsOnly,
crids,
ReportAndRemoveReentrancyEntry);
};
m_board.SetWorkDelegate(workId, del);
WorkItemView view = m_board.GetWorkItemView(workId);
lstWorkBoard.Items.Insert(0, view);
m_pipeline.Producer.QueueRecord(new Transaction(workId));
SetFocus(ebScanCode, false);
ResetWineInventoryControls();
}
async void UpdateWorkBoard(WorkItemView view)
{
if (lstWorkBoard.Dispatcher.HasThreadAccess)
{
UpdateWorkBoardCore(view);
}
else
{
await lstWorkBoard.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => { UpdateWorkBoardCore(view); });
}
}
void UpdateWorkBoardCore(WorkItemView view)
{
// find the item in the view and update it
for (int i = 0; i < lstWorkBoard.Items.Count; i++)
{
if (((WorkItemView)lstWorkBoard.Items[i]).WorkId == view.WorkId)
{
lstWorkBoard.Items[i] = view;
return;
}
}
throw new Exception("Can't find work item to update");
}
void AddToWorkBoard(WorkItemView view)
{
lstWorkBoard.Items.Insert(0, view);
}
