currentLoader = new ImagesInContainerLoader(component, nodeType, id);
currentLoader = new ImagesInContainerLoader(component, nodeType, id, (TreeImageSet) node);
    void fireLeavesLoading()    {        Object ho = getLastSelectedDisplay().getUserObject();        long id = 0;        Class nodeType = null;        if (ho instanceof DatasetData) {            nodeType = DatasetData.class;            id = ((DatasetData) ho).getId();        } else if (ho instanceof CategoryData) {            nodeType = CategoryData.class;            id = ((CategoryData) ho).getId();        } else             throw new IllegalArgumentException("Not valid selected display");        state = Browser.LOADING_LEAVES;        currentLoader = new ImagesInContainerLoader(component, nodeType, id);        currentLoader.load();    }