# File lib/cgikit/displaygroup.rb, line 11
    def initialize( data_source = nil )
      @data_source = data_source
      @objects = []
      @selections = []
      @selection_indexes = []
      @displays = []
      @first_display_index = 0
      @last_display_index = 0
      @per_page = 10
      @page_index = 1
      @default_values = {}
      @data_class = Hash
      @query_max = {}
      @query_min = {}
      @query_match = {}
      @query_operator = {}
      @query_mode = false
      @sort_keys = []
    end