gistfile1.rb

  def sort
    params[:block].each_with_index do |id, pos|
      Block.find(id).update_attribute(:position, pos+1)
    end
    head :ok
  end

  def index
    @blocks = @page.blocks

    respond_to do |format|
      format.html # index.html.erb
      format.xml  { render :xml => @blocks }
    end
  end