How to use

afterRender

method

in

org.apache.wicket.behavior.IBehavior

@Override
public void afterRender(Component aComponent) {
  for (IBehavior behavior : behaviors) {
    behavior.afterRender(aComponent);
  }
}

/**
 * {@link IBehavior#afterRender(Component)} Notify all behaviors that are assigned to this
 * component that the component has rendered.
 */
private void notifyBehaviorsComponentRendered()
{
  // notify the behaviors that component has been rendered
  List behaviors = getBehaviorsImpl();
  if (behaviors != null)
  {
    for (Iterator i = behaviors.iterator(); i.hasNext();)
    {
      IBehavior behavior = (IBehavior)i.next();
      if (isBehaviorAccepted(behavior))
      {
        behavior.afterRender(this);
      }
    }
  }
}

/**
 * {@link IBehavior#afterRender(Component)} Notify all behaviors that are assigned to this
 * component that the component has rendered.
 */
private void notifyBehaviorsComponentRendered()
{
  // notify the behaviors that component has been rendered
  for (IBehavior behavior : getBehaviors())
  {
    if (isBehaviorAccepted(behavior))
    {
      behavior.afterRender(this);
    }
  }
}

  public void visitItem(TreeItem item)
  {
    // rewind markupStream
    markupStream.setCurrentIndex(index);
    // render child
    item.onRender(markupStream);
    // go through the behaviors and invoke IBehavior.afterRender
    List<IBehavior> behaviors = item.getBehaviors();
    for (IBehavior behavior : behaviors)
    {
      behavior.afterRender(item);
    }
  }
});