fTreeViewer.refresh(parent);
	protected void insert(Object child, boolean refreshViewer) {		Object parent= getParent(child);		while (parent != null) {			if (insertChild(parent, child)) {				if (refreshViewer)					fTreeViewer.add(parent, child);			} else {				return;			}			child= parent;			parent= getParent(child);		}		if (insertChild(fResult, child)) {			if (refreshViewer)				fTreeViewer.add(fResult, child);		}	}