@Override
    public Component getComponentAfter(Container aContainer, Component aComponent) {
      if (aContainer instanceof EditorTextField) {
        int count = aContainer.getComponentCount();
        if (count > 1 && aComponent != aContainer.getComponent(count - 1)) {
          return getDefaultComponent(aContainer);
        }
      }

      invokedFromBeforeOrAfter = true;
      Component after;
      try {
        after = super.getComponentAfter(aContainer, aComponent);
      } finally {
        invokedFromBeforeOrAfter = false;
      }
      return after != aComponent? after: null;  // escape our container
    }
@Override
    public Component getComponentAfter(Container aContainer, Component aComponent)