Class: GraphViz::FamilyTree::Couple

Inherits:
Object
  • Object
show all
Defined in:
lib/graphviz/family_tree/couple.rb

Instance Method Summary collapse

Constructor Details

#initialize(graph, node, persons) ⇒ Couple

:nodoc:



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# File 'lib/graphviz/family_tree/couple.rb', line 4

def initialize( graph, node, persons ) #:nodoc:
  @graph = graph
  @node = node
  @kids = []
  @persons = persons
end

Instance Method Details

#getKids ⇒ Object 



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# File 'lib/graphviz/family_tree/couple.rb', line 58

def getKids
  @kids
end

#kids(*z) ⇒ Object

Add kids to a couple



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# File 'lib/graphviz/family_tree/couple.rb', line 16

def kids( *z )
  @kids = GraphViz::FamilyTree::Sibling.new( z, @persons )

  return

  if z.size == 1
    @graph.add_edges( @node, z[0].node, "dir" => "none" )
  else
    cluster = @graph.add_graph( "#{@node.id}Kids" )
    cluster["rank"] = "same"

    last = nil
    count = 0
    add = (z.size-1)%2 * z.size/2 + (z.size-1)%2
    link = (z.size/2)+1

    z.each do |person|
      count = count + 1
      if count == add
        middle = cluster.add_nodes( "#{@node.id}Kids", "shape" => "point" )
        @graph.add_edges( @node, middle, "dir" => "none" )
        unless last.nil?
          cluster.add_edges( last, middle, "dir" => "none" )
        end
        last = middle
      end

      kid = cluster.add_nodes( "#{person.node.id}Kid", "shape" => "point" )
      @graph.add_edges( kid, person.node, "dir" => "none" )

      if add == 0 and count == link
        @graph.add_edges( @node, kid, "dir" => "none" )
      end

      unless last.nil?
        cluster.add_edges( last, kid, "dir" => "none" )
      end
      last = kid
    end
  end
end

#node ⇒ Object

:nodoc:



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# File 'lib/graphviz/family_tree/couple.rb', line 11

def node #:nodoc:
  @node
end