public void Show(Position pos)
{
if (!Application.Current.Dispatcher.CheckAccess())
{
var action = new Action<Position>(Show);
Application.Current.Dispatcher.Invoke(DispatcherPriority.Normal, action);
return;
}
lock (this)
{
AllowsTransparency = true;
PopupAnimation = PopupAnimation.Slide;
HorizontalOffset = pos.OffsetX;
VerticalOffset = pos.OffsetY;
IsOpen = true;
StaysOpen = true;
}
RaiseIsActivatedEvent();
}
private Position ObtainAndAppendPosition()
{
var position = new Position();
if (IsEmptyPositionQueue())
{
position = ObtainFirstNewPosition();
Positions.Add(position);
}
else if (AllPositionsAreOccupied())
{
position = ObtainLastNewPosition();
Positions.Add(position);
}
else if (ExistFreePosition())
position = ObtainFirstFreePosition();
return position;
}
private void ReleasePosition(Position position)
{
position.IsOccupied = false;
position.Id = String.Empty;
}
private void OccupyPosition(Position position, string id)
{
position.Id = id;
position.IsOccupied = true;
}