@@ -1,2 +1,7 @@ +require 'navigation' + ActionView::Base.send :include, RPH::Navigation::InstanceMethods -ActionController::Base.send :extend, RPH::Navigation::ClassMethods \ No newline at end of file +ActionController::Base.class_eval do + extend RPH::Navigation::ClassMethods + class_inheritable_accessor :_current_tab +end \ No newline at end of file init.rb @@ -16,7 +16,7 @@ end module RPH module Navigation SUBTITLES = {} - + # InstanceMethods will be mixed in with ActionView::Base which will # make the navigation helper available to any view module InstanceMethods @@ -41,45 +41,44 @@ module RPH # Note - requires the <tt>authorize</tt> option to work) # * +hover_text+ - specifies to use the subtitles as hovertext instead of showing up as span's under the links def navigation(sections, options={}) - navigation, items = Navigation.new(sections, options), [] + navigation, items = Navigator.new(sections, options), [] navigation.sections.each do |link| - current_tab = controller.class.instance_variable_get("@current_tab") || controller.controller_name.to_sym - css = 'current' if link == current_tab - + css = 'current' if link == controller.class.current_tab + if navigation.methods_to_authorize.include?(link) items << content_tag(:li, construct(navigation, link), :class => [css.to_s, navigation.authorized_css.to_s].compact.join(' ')) if allowed?(navigation) else items << content_tag(:li, construct(navigation, link), :class => css.to_s) end end - + return '' if items.blank? content_tag(:ul, items, :class => 'nav_bar') end - + private - # builds the actual link and determines if subtitles are present - def construct(nav, section) - text = nav.text_for(section) - link = link_to(text, send("#{section.to_s.downcase}_path")) - - if nav.wants_hover_text? - link = link_to(text, send("#{section.to_s.downcase}_path"), :title => SUBTITLES[section]) - elsif nav.wants_subtitles? - link += content_tag(:span, SUBTITLES[section]) - end - - link + # builds the actual link and determines if subtitles are present + def construct(nav, section) + text = nav.text_for(section) + link = link_to(text, send("#{section.to_s.downcase}_path")) + + if nav.wants_hover_text? + link = link_to(text, send("#{section.to_s.downcase}_path"), :title => SUBTITLES[section]) + elsif nav.wants_subtitles? + link += content_tag(:span, SUBTITLES[section]) end - - # checks if the authorization method exists, and then checks - # the boolean value it returns - def allowed?(navigation) - controller.respond_to?(navigation.authorization_method) && controller.send(navigation.authorization_method) - end + + link + end + + # checks if the authorization method exists; + # then checks the boolean value it returns + def allowed?(navigation) + controller.respond_to?(navigation.authorization_method) && controller.send(navigation.authorization_method) + end end - + # ClassMethods will be extended by ActionController::Base which will # make the current_tab method available to any controller inhereting # from ActionController::Base @@ -90,9 +89,9 @@ module RPH # class PublicController < ApplicationController # current_tab :home # end - def current_tab(tab=nil) - @current_tab = tab unless tab.nil? - @current_tab ||= controller.controller_name.to_sym + def current_tab(tab=nil) + self._current_tab = tab if tab + self._current_tab ||= self.to_s.sub('Controller', '').downcase.to_sym end end end lib/navigation.rb 116d7ccbaac38c93f67a7b47d73a5ebba6710c3c rpheath rpheath@gmail.com http://github.com/rpheath/navigation_helper/commit/ef2294750251cdca156c7757e4d1bc57700e2c3f ef2294750251cdca156c7757e4d1bc57700e2c3f 2008-10-27T06:45:35-07:00 2008-10-27T06:45:35-07:00 now supports setting tabs through inheritance b9983829ca5626c40a72a810e17c742789ac706f rpheath rpheath@gmail.com