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module Rails
class Plugin
include Initializable
def self.plugin_name(plugin_name = nil)
@plugin_name ||= name.demodulize.underscore
@plugin_name = plugin_name if plugin_name
@plugin_name
end
def self.inherited(klass)
@plugins ||= []
@plugins << klass unless klass == Vendored
end
def self.plugins
@plugins
end
def self.plugin_names
plugins.map { |p| p.plugin_name }
end
def self.config
Configuration.default
end
def self.rake_tasks(&blk)
@rake_tasks ||= []
@rake_tasks << blk
end
def self.load_tasks
return unless @rake_tasks
@rake_tasks.each { |blk| blk.call }
end
# Creates an initializer which includes all given modules to the given class.
#
# module Rails
# class ActionController < Rails::Plugin
# plugin_name :action_controller
# include_modules_in "ActionController::Base"
# end
# end
#
def self.include_modules_in(klass, from=plugin_name)
self.initializer :"#{from}.include_modules" do |app|
klass = klass.constantize if klass.is_a?(String)
app.config.send(from).includes.each do |mod|
klass.send(:include, mod.is_a?(String) ? mod.constantize : mod)
end
end
end
class Vendored < Plugin
def self.all(list, paths)
plugins = []
paths.each do |path|
Dir["#{path}/*"].each do |plugin_path|
plugin = new(plugin_path)
next unless list.include?(plugin.name) || list.include?(:all)
plugins << plugin
end
end
plugins.sort_by do |p|
[list.index(p.name) || list.index(:all), p.name.to_s]
end
end
attr_reader :name, :path
def initialize(path)
@name = File.basename(path).to_sym
@path = path
end
def load_paths
Dir["#{path}/{lib}", "#{path}/app/{models,controllers,helpers}"]
end
initializer :add_to_load_path, :after => :set_autoload_paths do |app|
load_paths.each do |path|
$LOAD_PATH << path
require "active_support/dependencies"
ActiveSupport::Dependencies.load_paths << path
unless app.config.reload_plugins
ActiveSupport::Dependencies.load_once_paths << path
end
end
end
initializer :load_init_rb, :before => :load_application_initializers do |app|
file = "#{@path}/init.rb"
config = app.config
eval File.read(file), binding, file if File.file?(file)
end
initializer :add_view_paths, :after => :initialize_framework_views do
ActionController::Base.view_paths.concat ["#{path}/app/views"] if File.directory?("#{path}/app/views")
end
initializer :add_routing_file, :after => :initialize_routing do |app|
routing_file = "#{path}/config/routes.rb"
if File.exist?(routing_file)
app.route_configuration_files << routing_file
app.reload_routes!
end
end
end
end
end
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