How to use

updateTree

method

in

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

  public void onClick(AjaxRequestTarget target)
  {
    getTreeState().selectNode(node, !getTreeState().isNodeSelected(node));
    onNodeLinkClicked(target, node);
    updateTree(target);
  }
});

  @Override
  public void onClick(final AjaxRequestTarget target)
  {
    getTreeState().selectNode(node, !getTreeState().isNodeSelected(node));
    onNodeLinkClicked(target, node);
    if (target != null)
    {
      updateTree(target);
    }
  }
});

  public void onClick(AjaxRequestTarget target)
  {
    if (isNodeExpanded(node))
    {
      getTreeState().collapseNode(node);
    }
    else
    {
      getTreeState().expandNode(node);
    }
    onJunctionLinkClicked(target, node);
    updateTree(target);
  }
});

  @Override
  public void onClick(final AjaxRequestTarget target)
  {
    if (isNodeExpanded(node))
    {
      getTreeState().collapseNode(node);
    }
    else
    {
      getTreeState().expandNode(node);
    }
    onJunctionLinkClicked(target, node);
    if (target != null)
    {
      updateTree(target);
    }
  }
});