Sha256: b4a0798cabcecf67852005236b78b707a18bc8662fdc875d3c827e7d00f169f6
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Size: 1.36 KB
Versions: 17
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Contents
# frozen_string_literal: true
module Decidim
# A presenter to render menus
class MenuPresenter
#
# Initializes a menu for presentation
#
# @param name [Symbol] The name of the menu registry to be rendered
# @param view [ActionView::Base] The view scope to render the menu
# @param options [Hash] The rendering options for the menu entries
#
def initialize(name, view, options = {})
@name = name
@view = view
@options = options
end
delegate :items, to: :evaluated_menu
delegate :content_tag, :safe_join, to: :@view
def evaluated_menu
@evaluated_menu ||= begin
menu = Menu.new(@name)
menu.build_for(@view)
menu
end
end
def active_item
presented_items.find(&:active?)
end
def render
content_tag :nav, class: "main-nav", "aria-label": @options.fetch(:label, nil) do
render_menu
end
end
protected
def render_menu(&block)
content_tag :ul, @options.fetch(:container_options, {}) do
elements = block_given? ? [block.call(@view)] : []
safe_join(elements + menu_items)
end
end
def presented_items
@presented_items ||= items.map do |menu_item|
MenuItemPresenter.new(menu_item, @view, @options)
end
end
def menu_items
presented_items.map(&:render)
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems