Centered pagination cases

gistfile1.txt

case (position - radius > first_page && position + radius <= last_page):
    pages = range_gen(position - radius, position + radius + 1, position);
    break;
    // - page is located near the left corner
case (position >= first_page && position <= first_page + radius):
    pages = range_gen(first_page, first_page + (radius * 2) + 1, position);
    break;
    // - page is located near the right corner
case (position >= last_page - radius && position <= last_page):
    pages = range_gen(last_page - (radius * 2), last_page + 1, position);
    break;
}