Module: MMTree::InstanceMethods

Defined in:
lib/mm_tree.rb

Instance Method Summary collapse

Instance Method Details

#ancestors ⇒ Object 



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# File 'lib/mm_tree.rb', line 13

def ancestors
  node, nodes = self, []
  nodes << node = node.parent while node.parent_id
  nodes
end

#root ⇒ Object 



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# File 'lib/mm_tree.rb', line 7

def root
  node = self
  node = node.parent while node.parent_id
  node
end

#root? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mm_tree.rb', line 3

def root?
  self.depth.zero?
end

#self_and_siblings ⇒ Object 



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# File 'lib/mm_tree.rb', line 19

def self_and_siblings
  parent ? parent.children : self.class.roots
end

#siblings ⇒ Object 



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# File 'lib/mm_tree.rb', line 23

def siblings
  siblings = self_and_siblings.dup
  siblings.shift
  siblings
end