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Size: 1.61 KB
Versions: 6
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Stored size: 1.61 KB
Contents
module Redcar
class Menu
include Enumerable
include Redcar::Model
attr_reader :text, :entries
# A Menu will initially have nothing in it.
def initialize(text=nil)
@text, @entries = text || "", []
end
# Iterate over each entry
def each
@entries.each {|e| yield e}
end
# Add a Redcar::MenuItem or a Redcar::Menu
def <<(entry)
@entries << entry
self
end
# Number of entries in the menu
def length
@entries.length
end
# Fetch the sub_menu with the given name
#
# @param [String]
# @return [Menu]
def sub_menu(text)
detect {|e| e.text == text and e.is_a?(Menu) }
end
def entry(text)
detect {|e| e.text == text }
end
# Append items and sub_menus using the same syntax as Menu::Builder
def build(&block)
Menu::Builder.new(self, &block)
end
def ==(other)
return false unless length == other.length
return false unless text == other.text
@entries.zip(other.entries) do |here, there|
return false unless here.class == there.class and here == there
end
true
end
# Merge two Menu trees together. Modifies this Menu.
#
# @param [Menu] another Menu
def merge(other)
other.entries.each do |other_entry|
if here = entry(other_entry.text)
if here.class == other_entry.class
here.merge(other_entry)
else
@entries[@entries.index(here)] = other_entry
end
else
self << other_entry
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems