Module: SortTree::ClassMethods

Defined in:
lib/ztree/sort_tree.rb

Instance Method Summary collapse

Instance Method Details

#all_parents ⇒ Object 



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# File 'lib/ztree/sort_tree.rb', line 17

def all_parents
  all.select {|c| c.has_children? || c.ancestry.nil?}
end

#order_column ⇒ Object 



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# File 'lib/ztree/sort_tree.rb', line 21

def order_column
  :order_num
end

#sorted ⇒ Object 



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# File 'lib/ztree/sort_tree.rb', line 6

def sorted
  all_parents.inject([]) do |cs, r|
    cs << r
    cs << r.sorted_children
  end.flatten.uniq
end

#to_sorted_nodes(c = '') ⇒ Object 



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# File 'lib/ztree/sort_tree.rb', line 25

def to_sorted_nodes(c = '')
  where(c).group_by(&:parent_id).each {|k,v| v.sort_by! &(order_column.to_sym)}.to_a.flatten.select{|c| !c.is_a?Integer}.compact
end

#update_sorted_numbers(numbers) ⇒ Object 



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# File 'lib/ztree/sort_tree.rb', line 13

def update_sorted_numbers(numbers)
  numbers.each_with_index {|id, i| self.find(id).update_order(i + 1)}
end