--- /dev/null
+require 'bundles/require_resource'
+
+# The 'require_bundle' method is used in views to declare that certain stylesheets and javascripts should
+# be included by the 'resource_tags' (used in the layout) for the view to function properly.
+module Bundles
+ def require_bundle(name, *args)
+ method = "bundle_#{name}"
+ send(method, *args)
+ end
+
+ def require_bundles(*names)
+ names.each { |name| require_bundle(name) }
+ end
+end
+
+ActionView::Base.send(:include, Bundles)
+
+# Registers a module within the Bundles module by renaming the module's 'bundle' method (so it doesn't
+# clash with other methods named 'bundle') and by including any Controller or Helper modules within
+# their respective Rails base classes.
+#
+# For example, if you have a module such as
+# module Bundles::Calendar; end
+#
+# then within that Calendar module there *must* be a method named "bundle" which groups the
+# bundle's resources together. Example:
+# module Bundles::Calendar
+# def bundle
+# require_relative_to Engines.current.public_dir do
+# require_stylesheet "/stylesheets/calendar.css"
+# require_javascript "/javascripts/calendar.js"
+# end
+# end
+# end
+#
+# You may optionally define a Controller or Helper sub-module if you need any methods available to
+# the applications controllers or views. Example:
+#
+# module Bundles::Calendar
+# module Helper
+# def calendar_date_select(*args
+# # ... output some HTML
+# end
+# end
+# end
+#
+# The calendar_date_select method will now be available within the scope of the app's views because the
+# register_bundle method will inject the Helper module's methods in to ActionView::Base for you.
+#
+# Similarly, you can make methods available to controllers by adding a Controller module.
+def register_bundle(name)
+ require "bundles/#{name}"
+
+ # Rename the generic 'bundle' method in to something that doesn't conflict with
+ # the other module method names.
+ bundle_module = Bundles.const_get(name.to_s.camelize)
+ bundle_module.module_eval "alias bundle_#{name} bundle"
+ bundle_module.send :undef_method, :bundle
+
+ # Then include the bundle module in to the base module, so that the methods will
+ # be available inside ActionView::Base
+ ActionView::Base.send(:include, bundle_module)
+
+ # Check for optional Controller module
+ if bundle_module.const_defined? 'Controller'
+ controller_addon = bundle_module.const_get('Controller')
+ RAILS_DEFAULT_LOGGER.debug "Including #{name} bundle's Controller module"
+ ActionController::Base.send(:include, controller_addon)
+ end
+
+ # Check for optional Helper module
+ if bundle_module.const_defined? 'Helper'
+ helper_addon = bundle_module.const_get('Helper')
+ RAILS_DEFAULT_LOGGER.debug "Including #{name} bundle's Helper module"
+ ActionView::Base.send(:include, helper_addon)
+ end
+end
\ No newline at end of file