public void refresh() {
this.flat = input.isFlat();
if (flat) {
viewer.setInput(input.getRoot());
}
refreshBreadCrumb();
viewer.refresh();
if (viewer.getInput() == input.getRoot())
viewer.setSelection(new StructuredSelection(new Object[] {input.getRoot()}), true);
// if (viewer.getCloud().getItems().length > 0) {
// viewer.setSelection(new StructuredSelection(viewer.getCloud().getItems()[0].getData()),
// true);
// }
}
