/// <summary>
/// Event handler for a match.
/// </summary>
/// <param name="sender">The object that originated the event.</param>
/// <param name="e">The event arguments.</param>
private void OnMatchRowChanged(Object sender, MatchRowChangeEventArgs e)
{
// When a new, pending match record has been added to the data mode, start a thread that will
// display the notification window.
if (e.Action == DataRowAction.Commit && e.Row.RowState != DataRowState.Detached)
{
if (e.Row.StatusRow.StatusCode == Status.Active ||
e.Row.StatusRow.StatusCode == Status.PartialMatch ||
e.Row.StatusRow.StatusCode == Status.ValidMatch ||
e.Row.StatusRow.StatusCode == Status.ValidMatchFunds ||
e.Row.StatusRow.StatusCode == Status.Declined)
{
NotificationInfo notificationInfo = new NotificationInfo();
// The match record, working order, order type and security records are used to construct the title, symbol and
// logo used by the notification window.
MatchRow matchRow = e.Row;
WorkingOrderRow workingOrderRow = matchRow.WorkingOrderRow;
OrderTypeRow orderTypeRow = workingOrderRow.OrderTypeRow;
SecurityRow securityRow = workingOrderRow.SecurityRowByFK_Security_WorkingOrder_SecurityId;
// This is the primary method of identifying a match between two working orders.
notificationInfo.MatchId = matchRow.MatchId;
// The current status of the match is used to tell whether we're coming or going.
notificationInfo.Status = matchRow.StatusRow.StatusCode;
// Get the security symbol.
notificationInfo.Symbol = securityRow.Symbol;
// Create a logo bitmap.
notificationInfo.Logo = securityRow.IsLogoNull() ? String.Empty : securityRow.Logo;
// Provide a handler for the notification.
if (!securityRow.EntityRow.TypeRow.IsNotifyingTypeNull())
{
notificationInfo.NotifierType = securityRow.EntityRow.TypeRow.NotifyingType;
// Construct the title for the notification window.
notificationInfo.Message = String.Format("{0} of {1}", workingOrderRow.SideRow.Description, securityRow.Symbol);
// Now that the information has been extracted for the data model, the background execution queue can handle the rest of the
// notification of the user.
this.OnNotification(notificationInfo);
}
}
}
}
/// <summary>
/// Initialize the data used in this application.
/// </summary>
private void InitializeData(object parameter)
{
String title = String.Empty;
String symbol = String.Empty;
String name = String.Empty;
String logoSource = null;
Decimal leavesQuantity = 0.0m;
NegotiationState negotiationState = NegotiationState.None;
lock (DataModel.SyncRoot)
{
// Find the Match record.
MatchRow matchRow = DataModel.Match.MatchKey.Find(this.matchId);
WorkingOrderRow workingOrderRow = matchRow.WorkingOrderRow;
OrderTypeRow orderTypeRow = workingOrderRow.OrderTypeRow;
SecurityRow securityRow = workingOrderRow.SecurityRowByFK_Security_WorkingOrder_SecurityId;
symbol = securityRow.Symbol;
name = securityRow.EntityRow.Name;
logoSource = securityRow.IsLogoNull() ? String.Empty : securityRow.Logo;
title = String.Format("{0} of {1}", orderTypeRow.Description, symbol);
leavesQuantity = 0.0M;
foreach (SourceOrderRow sourceOrderRow in workingOrderRow.GetSourceOrderRows())
{
leavesQuantity += sourceOrderRow.OrderedQuantity;
}
foreach (DestinationOrderRow destinationOrderRow in workingOrderRow.GetDestinationOrderRows())
{
foreach (ExecutionRow executionRow in destinationOrderRow.GetExecutionRows())
{
leavesQuantity -= executionRow.ExecutionQuantity;
}
}
leavesQuantity /= securityRow.QuantityFactor;
}
this.Dispatcher.Invoke(DispatcherPriority.Normal, new SetDialogAttributesDelegate(SetDialogAttributes), title, symbol, name, logoSource, leavesQuantity, negotiationState);
}