* @param selection
*/
private void moveFocus(FastTreeTableItem selection) {
moveSelectionBar(selection);
DOM.scrollIntoView(focusable);
HasFocus focusableWidget = selection.getFocusableWidget();
if (focusableWidget != null) {
focusableWidget.setFocus(true);
} else {
// Ensure Focus is set, as focus may have been previously delegated by
// tree.
impl.focus(focusable);