private static bool _canPaste(Event sourceEvent, Event destEvent, TPasteLocation location, ClipboardOperation operation)
{
if (sourceEvent.Engine != destEvent.Engine)
return false;
if (location == TPasteLocation.Under)
{
if (destEvent.EventType == TEventType.StillImage)
return false;
if ((destEvent.EventType == TEventType.Movie || destEvent.EventType == TEventType.Live) && !(sourceEvent.EventType == TEventType.StillImage || sourceEvent.EventType == TEventType.AnimationFlash))
return false;
if (destEvent.EventType == TEventType.Rundown && (sourceEvent.EventType == TEventType.StillImage || sourceEvent.EventType == TEventType.AnimationFlash || destEvent.SubEvents.Count > 0))
return false;
if (destEvent.EventType == TEventType.Container && sourceEvent.EventType != TEventType.Rundown)
return false;
}
if (location == TPasteLocation.After || location == TPasteLocation.Before)
{
if (!(sourceEvent.EventType == TEventType.Rundown
|| sourceEvent.EventType == TEventType.Movie
|| sourceEvent.EventType == TEventType.Live)
||
!(destEvent.EventType == TEventType.Rundown
|| destEvent.EventType == TEventType.Movie
|| destEvent.EventType == TEventType.Live)
)
return false;
}
if (destEvent.IsContainedIn(sourceEvent))
{
if (sourceEvent == destEvent && location != TPasteLocation.Under && operation == ClipboardOperation.Copy)
return true;
return false;
}
return true;
}
