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
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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 |