/// <summary>
/// Indicates whether the timeline should display the element
/// </summary>
/// <param name="element"></param>
/// <returns></returns>
public override bool ShouldDisplayModelElement(IModelElement element)
{
bool retVal = element == null;
retVal = retVal || (Translation != null && Translation.IsParent(element));
retVal = retVal || (SubSequence != null && SubSequence.IsParent(element));
retVal = retVal || (TestCase != null && TestCase.IsParent(element));
return(retVal);
}