class ActiveAdmin::MenuItem

def self.generate_item_id(id) 

def self.generate_item_id(id)
  id.to_s.downcase.gsub(" ", "_")
end

def <=>(other) 

def <=>(other)
  result = priority <=> other.priority
  result = label <=> other.label if result == 0
  result
end

def [](id)

@blog_menu["Create New"] => <#MenuItem @name="Create New" >
Returns the child item with the name passed in 
def [](id)
  @children.find_by_id(id)
end

def add(*menu_items) 

def add(*menu_items)
  menu_items.each do |menu_item|
    menu_item.parent = self
    @children << menu_item
  end
end

def ancestors

The first item is the immediate parent fo the item
Returns an array of the ancestory of this menu item 
def ancestors
  return [] unless parent?
  [parent, parent.ancestors].flatten
end

def children 

def children
  @children.sort
end

def display_if_block

a default block always returning true will be returned.
Returns the display if block. If the block was not explicitly defined 
def display_if_block
  @display_if_block || lambda { |_| true }
end

def dom_id 

def dom_id
  id.gsub( " ", '_' ).gsub( /[^a-z0-9_]/, '' )
end

def initialize(options = {})

Options Hash: (**options)
  • :parent (Proc) --
  • :if (Proc) --
  • :priority (Integer) --
  • :url (String, Symbol) --
  • :id (String) --
  • :label (String, Proc) --

Parameters:
  • options (Hash) -- The options for the menu 
def initialize(options = {})
  @label    = options[:label]
  @id       = MenuItem.generate_item_id(options[:id] || label)
  @url      = options[:url]
  @priority = options[:priority] || 10
  @children = Menu::ItemCollection.new
  @parent   = options[:parent]
  @display_if_block = options[:if]
  yield(self) if block_given? # Builder style syntax
end

def label 

def label
  case @label
  when Proc
    @label.call
  else
    @label.to_s
  end
end

def parent? 

def parent?
  !parent.nil?
end