@@ -12,8 +12,9 @@ Example goes here. h2. Credits -* "Przemysław Kowalczyk":http://szeryf.wordpress.com/2008/06/13/easy-and-flexible-breadcrumbs-for-rails/ - the base of this code * "Zach Inglis":http://zachinglis.com +* "Rein Henrichs":http://reinh.com * "Les Hill":http://blog.leshill.org/ +* "Przemysław Kowalczyk":http://szeryf.wordpress.com/2008/06/13/easy-and-flexible-breadcrumbs-for-rails/ - feature ideas *Copyright (c) 2008 Zach Inglis, released under the MIT license* README.textile @@ -1 +1,2 @@ -# Include hook code here +ActionController::Base.send :include, Crummy::ControllerMethods +ActionView::Base.send :include, Crummy::ViewMethods init.rb @@ -1 +1,66 @@ -# Crummy +module Crummy + module ControllerMethods + module ClassMethods + def add_crumb(name, url = nil) + before_filter options do |instance| + raise ArgumentError, "Cannot pass url and use block" if url && block_given? + url = yield instance if block_given? + + instance.add_crumb(name, url) + end + end + end + + module InstanceMethods + def add_crumb(name, url='') + crumbs.push [name, url] + end + + def crumbs + get_or_set_ivar "@_crumbs", [] + end + + # :nodoc: + def get_or_set_ivar(var, value) + instance_variable_set var, instance_variable_get(var) || value + end + private :get_or_set_ivar + end + + def self.included(receiver) + receiver.extend ClassMethods + receiver.send :include, InstanceMethods + end + end + + module ViewMethods + def crumbs + @_crumbs || [] + end + + def render_crumbs + crumbs.collect do |crumb| + crumb_to_html crumb + end + end + + def crumb_to_html(crumb) + name, url = crumb + url ? link_to(name, url) : name + end + end +end + +# class EventsController < ApplicationController +# add_crumb "Home", '/' # really in application.rb +# add_crumb "Events" { |instance| instance.events_path } +# +# def index +# end +# +# def show +# add_crumb @event.display_name, @event +# end +# end +# +# Home > Events > Some Event lib/crummy.rb 7dabc8f3a6881b707cd2abc1a4a02621c0c1eaea Zach Inglis zach@lt3media.com http://github.com/zachinglis/crummy/commit/79117cef6cb3c2886b1971fe316c0708228c0d61 79117cef6cb3c2886b1971fe316c0708228c0d61 2008-06-25T10:58:06-07:00 2008-06-25T10:58:06-07:00 Basic code in place 80fb29c9c5452d7d0e0dfa00d8001485f63ca8da Zach Inglis zach@lt3media.com