src/main/java/org/efaps/ui/wicket/components/tree/StructurBrowserProvider.java
@Override
    public Iterator<? extends UIStructurBrowser> getChildren(final UIStructurBrowser _node)
    {
        if (_node.isParent() && !_node.hasChildren()) {
            _node.addChildren();
        }
        return _node.getChildren().iterator();
    }
@Override
    public Iterator<? extends UIStructurBrowser> getChildren(final UIStructurBrowser _node)
    {
        if (_node.isParent() && !_node.hasChildren()) {
            _node.addChildren();
        }
        return _node.getChildren().iterator();
    }
Get the children of the given node.

@param _node node to get children for
@return children of node