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module Menu
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class Item < Node
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attr_reader :name, :condition, :parent, :child_menus, :last, :html_options
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def initialize(name, options)
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raise ArgumentError, "Invalid option :if for menu item '#{name}'" if options[:if] && !options[:if].respond_to?(:call)
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raise ArgumentError, "Invalid option :engine for menu item '#{name}'" if options[:engine] && !options[:engine].respond_to?(:routes)
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raise ArgumentError, "Invalid option :html for menu item '#{name}'" if options[:html] && !options[:html].is_a?(Hash)
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raise ArgumentError, "Cannot set the :parent to be the same as this item" if options[:parent] == name.to_sym
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raise ArgumentError, "Invalid option :children for menu item '#{name}'" if options[:children] && !options[:children].respond_to?(:call)
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@name = name
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@url_hash = options[:url_hash]
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@condition = options[:if]
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@caption = options[:caption]
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@html_options = options[:html] || {}
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@parent = options[:parent]
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@child_menus = options[:children]
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@last = options[:last] || false
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@context = options[:engine] || Rails.application
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super @name.to_sym
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end
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def url
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@context.routes.url_for(url_hash.merge(:only_path=>true))
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end
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def url_hash
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@url_hash ||= @context.routes.url_helpers.send("hash_for_#{name}_path")
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@url_hash.inject({}) do |h,(key,value)|
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h[key] = (value.respond_to?(:call) ? value.call : value)
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h
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end
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end
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def authorized?
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User.current.allowed_to?(url_hash.slice(:controller, :action, :id))
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rescue => error
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Rails.logger.error "#{error.message} (#{error.class})\n#{error.backtrace.join("\n")}"
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false
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end
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end
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end
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