@Override
  public void componentLayoutChanged(int index, PropertyChangeEvent ev)
      throws PropertyVetoException {
    RADVisualComponent<?> radComp = radContainer.getSubComponent(index);

    if (ev != null && ev.getPropertyName() != null) {
      layoutDelegate.acceptComponentLayoutChange(index, ev);

      FormModel formModel = radContainer.getFormModel();
      formModel.fireComponentLayoutChanged(
          radComp, ev.getPropertyName(), ev.getOldValue(), ev.getNewValue());

      if (radComp.getNodeReference() != null) // propagate the change to node
      {
        radComp
            .getNodeReference()
            .firePropertyChangeHelper(ev.getPropertyName(), ev.getOldValue(), ev.getNewValue());
      }
    } else {
      if (radComp.getNodeReference() != null) // propagate the change to node
      {
        radComp.getNodeReference().fireComponentPropertySetsChange();
      }
      radComp.resetConstraintsProperties();
    }
  }
  @Override
  public void containerLayoutChanged(PropertyChangeEvent ev) throws PropertyVetoException {
    if (ev != null && ev.getPropertyName() != null) {
      layoutDelegate.acceptContainerLayoutChange(ev);

      FormModel formModel = radContainer.getFormModel();
      formModel.fireContainerLayoutChanged(
          radContainer, ev.getPropertyName(), ev.getOldValue(), ev.getNewValue());
    } else {
      propertySets = null;
    }

    LayoutNode node = radContainer.getLayoutNodeReference();
    if (node != null) {
      // propagate the change to node
      if (ev != null && ev.getPropertyName() != null) {
        node.fireLayoutPropertiesChange();
      } else {
        node.fireLayoutPropertySetsChange();
      }
    }
  }