@@ -67,6 +67,21 @@ will find the record with a matching ID to the URL parameter associated with the needs :record => :user, :from => :user_id +Flushing and Removal of Needs +----------------------------- + +If for some reason you want a controller not to inherit existing needs or you for some +reason want to remove needs, there's a simple way to remove them: + +class MyController < ApplicationController + does_not_need :anything # removes all styles and behaviors from the need chain + does_not_need :any_styles + does_not_need :any_scripts + does_not_need :styles => "some_style" + does_not_need :styles => ["some_style", "another_one"] + does_not_need :scripts => "some_script" +end + Resources ========= README @@ -18,6 +18,18 @@ module Intridea append_behavior_to_chain(behaviors) end + def does_not_behave_with(*behaviors) + behaviors = behaviors.collect(&:to_s) + behaviors.each{|b| behavior_chain.delete(b)} + update_behavior_conditions(behaviors,[]) + end + + def flush_behaviors + write_inheritable_attribute('behavior_chain',[]) + write_inheritable_attribute('included_behavior_actions', {}) + write_inheritable_attribute('excluded_behavior_actions', {}) + end + def included_behavior_actions #:nodoc: @included_behavior_actions ||= read_inheritable_attribute('included_behavior_actions') || {} end lib/intridea/behavior_chain.rb @@ -22,6 +22,24 @@ module Intridea end end + def does_not_need(arg) + if arg.is_a?(Hash) + if arg[:styles] + does_not_style_with(*arg[:styles]) + end + if arg[:scripts] + does_not_behave_with(*arg[:scripts]) + end + elsif arg == :anything + flush_styles + flush_behaviors + elsif arg == :any_styles + flush_styles + elsif arg == :any_scripts + flush_behaviors + end + end + private def memoize_record(record, options) @@ -36,28 +54,6 @@ module Intridea helper_method :#{options[:as].to_s} RUBY end - end - - module InstanceMethods - def do_grabs - self.class.grab_options.each do |grab_option| - grab(*grab_option) - end - end - - def grab(object, options = {}) - options[:from] ||= params[:id] - options[:except] ||= Array.new - options[:only] ||= Array.new - options[:as] ||= object - - if params[:id].nil? - instance_variable_set("@#{options[:as].to_s}", nil) - return - end - - instance_variable_set("@#{options[:as].to_s}", object.to_s.classify.constantize.find(options[:from])) if !options[:except].include?(action_name) or (!options[:only].nil? and options[:only].include?(action_name)) - end end end end \ No newline at end of file lib/intridea/needy_controllers.rb @@ -18,6 +18,18 @@ module Intridea append_style_to_chain(styles) end + def does_not_style_with(*styles) + styles = styles.collect(&:to_s) + styles.each{|s| style_chain.delete(s)} + update_style_conditions(styles,[]) + end + + def flush_styles + write_inheritable_attribute('style_chain',[]) + write_inheritable_attribute('included_style_actions', {}) + write_inheritable_attribute('excluded_style_actions', {}) + end + def included_style_actions #:nodoc: @included_style_actions ||= read_inheritable_attribute('included_style_actions') || {} end lib/intridea/style_chain.rb ca413f984f984629bcced1d5ed23ad388b58f77e michael michael@0572c0d6-f9f1-4294-a55b-9f92c10757d9 http://github.com/mbleigh/needy-controllers/commit/b4fda7c978d269e3d05b8179e76c7b234e9a62bd b4fda7c978d269e3d05b8179e76c7b234e9a62bd 2008-03-20T07:56:58-07:00 2008-03-20T07:56:58-07:00 [needy_controllers] Can now 'un-need' things through the does_not_need statement. git-svn-id: http://svn.intridea.com/svn/public/needy_controllers@50 0572c0d6-f9f1-4294-a55b-9f92c10757d9 561d037d9f5bd0eeecac3b42fe536ef680117daf michael michael@0572c0d6-f9f1-4294-a55b-9f92c10757d9