require 'graph'
module Orcl
  class Element
    def node(g)
      g.rect + g.filled + graph(g) << g.node(name)
      deps.each { |d| g.edge name, d.name }
    end
  end
  class Table
    def graph(g) g.c1 end
  end
  class View
    def graph(g) g.c2 end
  end
  class MaterializedView
    def graph(g) g.c3 end
  end

  class Schema
    def graph
      s = self
      digraph do
        rotate
        colorscheme :accent , 3
        s.tabloid.each { |t|  t.node self  }
#        graph_attribs << p("{ rank=same; #{s.table.map( &:name ).join(' ')}}")
        same_rank s.table.map( &:name )
        save "schema/mxofm", "pdf"
      end
      :done
    end
  end
end