OperatorTransitionModel aTCell = (OperatorTransitionModel) cell;
if (aTCell.getOperatorType() == OperatorTransitionModel.AND_SPLIT_TYPE)
{
return new TransAndSplitView(cell, editor);
} else if (aTCell.getOperatorType() == OperatorTransitionModel.AND_JOIN_TYPE)
{
return new TransAndJoinView(cell, editor);
} else if (aTCell.getOperatorType() == OperatorTransitionModel.AND_SPLITJOIN_TYPE)