diff options
Diffstat (limited to 'actionpack/lib/abstract_controller/rendering.rb')
| -rw-r--r-- | actionpack/lib/abstract_controller/rendering.rb | 212 |
1 files changed, 58 insertions, 154 deletions
diff --git a/actionpack/lib/abstract_controller/rendering.rb b/actionpack/lib/abstract_controller/rendering.rb index 619a49571b..42f4939108 100644 --- a/actionpack/lib/abstract_controller/rendering.rb +++ b/actionpack/lib/abstract_controller/rendering.rb @@ -1,7 +1,4 @@ require "abstract_controller/base" -require 'active_support/core_ext/class/attribute' -require 'active_support/core_ext/module/delegation' -require 'active_support/core_ext/array/wrap' module AbstractController class DoubleRenderError < Error @@ -12,32 +9,47 @@ module AbstractController end end + # This is a class to fix I18n global state. Whenever you provide I18n.locale during a request, + # it will trigger the lookup_context and consequently expire the cache. + # TODO Add some deprecation warnings to remove I18n.locale from controllers + class I18nProxy < ::I18n::Config #:nodoc: + attr_reader :i18n_config, :lookup_context + + def initialize(i18n_config, lookup_context) + @i18n_config, @lookup_context = i18n_config, lookup_context + end + + def locale + @i18n_config.locale + end + + def locale=(value) + @i18n_config.locale = value + @lookup_context.update_details(:locale => @i18n_config.locale) + end + end + module Rendering extend ActiveSupport::Concern + include AbstractController::ViewPaths - included do - class_attribute :_view_paths - delegate :_view_paths, :to => :'self.class' - self._view_paths = ActionView::PathSet.new + # Overwrite process to setup I18n proxy. + def process(*) #:nodoc: + old_config, I18n.config = I18n.config, I18nProxy.new(I18n.config, lookup_context) + super + ensure + I18n.config = old_config end # An instance of a view class. The default view class is ActionView::Base # # The view class must have the following methods: - # View.for_controller[controller] Create a new ActionView instance for a - # controller - # View#render_partial[options] - # - responsible for setting options[:_template] - # - Returns String with the rendered partial - # options<Hash>:: see _render_partial in ActionView::Base - # View#render_template[template, layout, options, partial] - # - Returns String with the rendered template - # template<ActionView::Template>:: The template to render - # layout<ActionView::Template>:: The layout to render around the template - # options<Hash>:: See _render_template_with_layout in ActionView::Base - # partial<Boolean>:: Whether or not the template to render is a partial + # View.for_controller[controller] + # Create a new ActionView instance for a controller + # View#render_template[options] + # Returns String with the rendered template # - # Override this method in a to change the default behavior. + # Override this method in a module to change the default behavior. def view_context @_view_context ||= ActionView::Base.for_controller(self) end @@ -45,57 +57,29 @@ module AbstractController # Mostly abstracts the fact that calling render twice is a DoubleRenderError. # Delegates render_to_body and sticks the result in self.response_body. def render(*args, &block) - options = _normalize_options(*args, &block) + options = _normalize_args(*args, &block) + _normalize_options(options) self.response_body = render_to_body(options) end # Raw rendering of a template to a Rack-compatible body. - # - # ==== Options - # _partial_object<Object>:: The object that is being rendered. If this - # exists, we are in the special case of rendering an object as a partial. - # # :api: plugin def render_to_body(options = {}) - # TODO: Refactor so we can just use the normal template logic for this - if options.key?(:partial) - _render_partial(options) - else - _determine_template(options) - _render_template(options) - end + _process_options(options) + _render_template(options) end # Raw rendering of a template to a string. Just convert the results of # render_to_body into a String. - # # :api: plugin - def render_to_string(*args) - options = _normalize_options(*args) + def render_to_string(options={}) + _normalize_options(options) AbstractController::Rendering.body_to_s(render_to_body(options)) end - # Renders the template from an object. - # - # ==== Options - # _template<ActionView::Template>:: The template to render - # _layout<ActionView::Template>:: The layout to wrap the template in (optional) + # Find and renders a template based on the options given. def _render_template(options) - view_context.render_template(options) - end - - # Renders the given partial. - # - # ==== Options - # partial<String|Object>:: The partial name or the object to be rendered - def _render_partial(options) - view_context.render_partial(options) - end - - # The list of view paths for this controller. See ActionView::ViewPathSet for - # more details about writing custom view paths. - def view_paths - _view_paths + view_context.render_template(options) { |template| _with_template_hook(template) } end # The prefix used in render "foo" shortcuts. @@ -117,122 +101,42 @@ module AbstractController private - # Normalize options, by converting render "foo" to render :template => "prefix/foo" - # and render "/foo" to render :file => "/foo". - def _normalize_options(action=nil, options={}) + # Normalize options by converting render "foo" to render :action => "foo" and + # render "foo/bar" to render :file => "foo/bar". + def _normalize_args(action=nil, options={}) case action + when NilClass when Hash options, action = action, nil when String, Symbol action = action.to_s - case action.index("/") - when NilClass - options[:_prefix] = _prefix - options[:_template_name] = action - when 0 - options[:file] = action - else - options[:template] = action - end + key = action.include?(?/) ? :file : :action + options[key] = action + else + options.merge!(:partial => action) end options end - # Take in a set of options and determine the template to render - # - # ==== Options - # _template<ActionView::Template>:: If this is provided, the search is over - # _template_name<#to_s>:: The name of the template to look up. Otherwise, - # use the current action name. - # _prefix<String>:: The prefix to look inside of. In a file system, this corresponds - # to a directory. - # _partial<TrueClass, FalseClass>:: Whether or not the file to look up is a partial - def _determine_template(options) - if options.key?(:text) - options[:_template] = ActionView::Template::Text.new(options[:text], format_for_text) - elsif options.key?(:inline) - handler = ActionView::Template.handler_class_for_extension(options[:type] || "erb") - template = ActionView::Template.new(options[:inline], "inline template", handler, {}) - options[:_template] = template - elsif options.key?(:template) - options[:_template_name] = options[:template] - elsif options.key?(:file) - options[:_template_name] = options[:file] + def _normalize_options(options) + if options[:partial] == true + options[:partial] = action_name end - name = (options[:_template_name] || options[:action] || action_name).to_s - options[:_prefix] ||= _prefix if (options.keys & [:partial, :file, :template]).empty? - - details = _normalize_details(options) - options[:_template] ||= with_template_cache(name) do - find_template(name, details, options) + if (options.keys & [:partial, :file, :template]).empty? + options[:prefix] ||= _prefix end - end - - def _normalize_details(options) - details = { :formats => formats } - details[:formats] = Array(options[:format]) if options[:format] - details[:locale] = Array(options[:locale]) if options[:locale] - details - end - def find_template(name, details, options) - view_paths.find(name, details, options[:_prefix], options[:_partial]) - end - - def template_exists?(name, details, options) - view_paths.exists?(name, details, options[:_prefix], options[:_partial]) - end - - def with_template_cache(name) - yield + options[:template] ||= (options[:action] || action_name).to_s + options end - def format_for_text - Mime[:text] + def _process_options(options) end - module ClassMethods - def clear_template_caches! - end - - # Append a path to the list of view paths for this controller. - # - # ==== Parameters - # path<String, ViewPath>:: If a String is provided, it gets converted into - # the default view path. You may also provide a custom view path - # (see ActionView::ViewPathSet for more information) - def append_view_path(path) - self.view_paths = view_paths.dup + Array.wrap(path) - end - - # Prepend a path to the list of view paths for this controller. - # - # ==== Parameters - # path<String, ViewPath>:: If a String is provided, it gets converted into - # the default view path. You may also provide a custom view path - # (see ActionView::ViewPathSet for more information) - def prepend_view_path(path) - clear_template_caches! - self.view_paths = Array.wrap(path) + view_paths.dup - end - - # A list of all of the default view paths for this controller. - def view_paths - _view_paths - end - - # Set the view paths. - # - # ==== Parameters - # paths<ViewPathSet, Object>:: If a ViewPathSet is provided, use that; - # otherwise, process the parameter into a ViewPathSet. - def view_paths=(paths) - clear_template_caches! - self._view_paths = paths.is_a?(ActionView::PathSet) ? paths : ActionView::Base.process_view_paths(paths) - _view_paths.freeze - end + def _with_template_hook(template) + self.formats = template.formats end end end |