private void ValidateTransitions()
{
using (new UndoRedo.DontLogBlock(Controller))
{
// First, mark all the transitions for potential removal
foreach (Transition groupTransition in TransitionsFrom.Where(t => t.TransitionType == Transition.TransitionTypes.Group))
{
groupTransition.IsValid = false;
}
foreach (Transition groupTransition in TransitionsTo.Where(t => t.TransitionType == Transition.TransitionTypes.Group))
{
groupTransition.IsValid = false;
}
// Now figure what transitions we actually need
if (Members != null)
{
foreach (ObjectModel.ITransitionEndpoint endpoint in Members.Where(m => m.LayerPositions.Any(lp => lp.Layer == Layer && lp.GroupStatus == LayerPosition.GroupStatuses.Explicit)))
{
AddTransitionsForEndpoint(endpoint);
}
}
// And finally, get rid of those not needed
DeleteInvalidTransitions(TransitionsFrom);
DeleteInvalidTransitions(TransitionsTo);
}
System.Threading.Interlocked.Exchange(ref ValidationPendingCount, 0);
}
