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module ActiveAdmin
# Each Namespace builds up it's own menu as the global navigation
#
# To build a new menu:
#
# menu = Menu.new do |m|
# m.add :label => "Dashboard", :url => "/"
# m.add :label => "Admin", :url => "/admin"
# end
#
# If you're interested in configuring a menu item, take a look at the
# options available in `ActiveAdmin::MenuItem`
#
class Menu
def initialize
yield(self) if block_given?
end
module MenuNode
# Add a new MenuItem to the menu
#
# Example:
# menu = Menu.new
# menu.add :label => "Dashboard" do |dash|
# dash.add :label => "My Child Dashboard"
# end
#
# @param [Hash] menu_items Add as many menu items as you pass in
def add(item_options)
parent_label = item_options[:parent]
if parent_label
child_options = item_options.except(:parent)
menu_item = add_with_parent(parent_label, child_options)
else
menu_item = add_without_parent(item_options)
end
yield(menu_item) if block_given?
menu_item
end
def [](id)
children.fetch(normalize_id(id))
end
def include?(item)
items.include?(item)
end
# @return Sorted [Array] of [MenuItem]
def items
children.values.sort
end
private
def add_without_parent(item_options)
menu_item = ActiveAdmin::MenuItem.new(item_options, self)
children[menu_item.id] = menu_item
end
def add_with_parent(parent, item_options)
parent_id = normalize_id(parent)
parent = children.fetch(parent_id){ add(:label => parent) }
parent.add(item_options)
end
def children
@children ||= {}
end
def normalize_id(string)
case string
when Proc
string
else
string.to_s.downcase.gsub(" ", "_")
end
end
end
include MenuNode
end
end
Version data entries
45 entries across 45 versions & 1 rubygems