@Override
	public int compareTo(DockTab other) {
		int result = NumericComparator.caselessCompareStrings(mDockable.getTitle(), other.mDockable.getTitle());
		if (result == 0) {
			int h1 = hashCode();
			int h2 = other.hashCode();
			if (h1 < h2) {
				result = -1;
			} else if (h1 > h2) {
				result = 1;
			}
		}
		return result;
	}