How to use

init

method

in

org.apache.wicket.extensions.markup.html.tree.DefaultAbstractTree

/**
 * Tree constructor.
 *
 * @param id
 *            The component id
 */
public DefaultAbstractTree(String id)
{
  super(id);
  init();
}

/**
 * Tree constructor.
 *
 * @param id
 *            The component id
 * @param model
 *            The tree model
 */
public DefaultAbstractTree(String id, IModel<TreeModel> model)
{
  super(id, model);
  init();
}

/**
 * Tree constructor.
 *
 * @param id
 *            The component id
 * @param model
 *            The tree model
 */
@SuppressWarnings("unchecked")
public DefaultAbstractTree(String id, TreeModel model)
{
  super(id, new WicketTreeModel());
  setModelObject(model);
  init();
}