Class: Refinery::MenuItem

Inherits:
HashWithIndifferentAccess
  • Object
show all
Defined in:
lib/refinery/menu_item.rb

Instance Method Summary collapse

Instance Method Details

#ancestors ⇒ Object 



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# File 'lib/refinery/menu_item.rb', line 16

def ancestors
  return @ancestors if @ancestors
  @ancestors = []
  p = self
  @ancestors << p until(p = p.parent).nil?

  @ancestors
end

#children ⇒ Object 



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# File 'lib/refinery/menu_item.rb', line 25

def children
  @children ||= if has_children?
    menu.select{|item| item.type == type && item.parent_id == id}
  else
    []
  end
end

#descendants ⇒ Object 



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# File 'lib/refinery/menu_item.rb', line 33

def descendants
  @descendants ||= if has_descendants?
    menu.select{|item| item.type == type && item.lft > lft && item.rgt < rgt}
  else
    []
  end
end

#has_children? ⇒ Boolean Also known as: has_descendants?

Returns:

  • (Boolean) 


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# File 'lib/refinery/menu_item.rb', line 41

def has_children?
  @has_children ||= (rgt > lft + 1)
end

#has_parent? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/refinery/menu_item.rb', line 47

def has_parent?
  !parent_id.nil?
end

#inspect ⇒ Object 



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# File 'lib/refinery/menu_item.rb', line 51

def inspect
  hash = {}

  ATTRIBUTES.each do |attribute|
    hash[attribute] = self[attribute]
  end

  hash
end

#menu ⇒ Object 



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# File 'lib/refinery/menu_item.rb', line 61

def menu
  ::Refinery.menus[menu_id]
end

#parent ⇒ Object 



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# File 'lib/refinery/menu_item.rb', line 65

def parent
  @parent ||= (menu.detect{|item| item.type == type && item.id == parent_id} if has_parent?)
end

#siblings ⇒ Object Also known as: shown_siblings 



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# File 'lib/refinery/menu_item.rb', line 69

def siblings
  @siblings ||= ((has_parent? ? children : menu.roots) - [self])
end