Solving merge conflicts.

10 files changed, 177 insertions, 31 deletions

diff --git a/actionpack/lib/action_view/base.rb b/actionpack/lib/action_view/base.rb
index 45184f58fb..9e696af83b 100644
--- a/actionpack/lib/action_view/base.rb
+++ b/actionpack/lib/action_view/base.rb
@@ -172,8 +172,6 @@ module ActionView #:nodoc:
     attr_accessor :controller
     attr_internal :captures
 
-    attr_accessor :output_buffer
-
     class << self
       delegate :erb_trim_mode=, :to => 'ActionView::TemplateHandlers::ERB'
       delegate :logger, :to => 'ActionController::Base', :allow_nil => true
@@ -206,10 +204,7 @@ module ActionView #:nodoc:
 
     delegate :find_by_parts, :to => :view_paths
 
-    module CompiledTemplates #:nodoc:
-      # holds compiled template code
-    end
-    include CompiledTemplates
+    include Context
 
     def self.process_view_paths(value)
       ActionView::PathSet.new(Array(value))
@@ -228,6 +223,12 @@ module ActionView #:nodoc:
       end
     end
 
+    def self.for_controller(controller)
+      new(controller.class.view_paths, {}, controller).tap do |view|
+        view.helpers.include(controller._helpers) if controller.respond_to?(:_helpers)
+      end
+    end
+
     def initialize(view_paths = [], assigns_for_first_render = {}, controller = nil, formats = nil)#:nodoc:
       @formats = formats || [:html]
       @assigns = assigns_for_first_render.each { |key, value| instance_variable_set("@#{key}", value) }
diff --git a/actionpack/lib/action_view/context.rb b/actionpack/lib/action_view/context.rb
new file mode 100644
index 0000000000..f212fe25eb
--- /dev/null
+++ b/actionpack/lib/action_view/context.rb
@@ -0,0 +1,44 @@
+module ActionView
+  module CompiledTemplates #:nodoc:
+    # holds compiled template code
+  end
+
+  # ActionView contexts are supplied to ActionController
+  # to render template. The default ActionView context
+  # is ActionView::Base.
+  #
+  # In order to work with ActionController, a Context
+  # must implement:
+  #
+  # Context.for_controller[controller] Create a new ActionView instance for a
+  #   controller
+  # Context#_render_partial_from_controller[options]
+  #   - responsible for setting options[:_template]
+  #   - Returns String with the rendered partial
+  #   options<Hash>:: see _render_partial in ActionView::Base
+  # Context#_render_template_from_controller[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
+  #
+  # An ActionView context can also mix in ActionView's
+  # helpers. In order to mix in helpers, a context must
+  # implement:
+  #
+  # Context#controller
+  # - Returns an instance of AbstractController
+  #
+  # In any case, a context must mix in ActionView::Context,
+  # which stores compiled template and provides the output
+  # buffer.
+  module Context
+    include CompiledTemplates
+    attr_accessor :output_buffer
+
+    def convert_to_model(object)
+      object.respond_to?(:to_model) ? object.to_model : object
+    end
+  end
+end
\ No newline at end of file
diff --git a/actionpack/lib/action_view/helpers.rb b/actionpack/lib/action_view/helpers.rb
index 97fa2d80e9..652561f7f8 100644
--- a/actionpack/lib/action_view/helpers.rb
+++ b/actionpack/lib/action_view/helpers.rb
@@ -1,6 +1,7 @@
 module ActionView #:nodoc:
   module Helpers #:nodoc:
-    autoload :ActiveRecordHelper, 'action_view/helpers/active_record_helper'
+    autoload :ActiveModelHelper, 'action_view/helpers/active_model_helper'
+    autoload :AjaxHelper, 'action_view/helpers/ajax_helper'
     autoload :AssetTagHelper, 'action_view/helpers/asset_tag_helper'
     autoload :AtomFeedHelper, 'action_view/helpers/atom_feed_helper'
     autoload :BenchmarkHelper, 'action_view/helpers/benchmark_helper'
@@ -31,7 +32,7 @@ module ActionView #:nodoc:
       include SanitizeHelper::ClassMethods
     end
 
-    include ActiveRecordHelper
+    include ActiveModelHelper
     include AssetTagHelper
     include AtomFeedHelper
     include BenchmarkHelper
diff --git a/actionpack/lib/action_view/helpers/active_record_helper.rb b/actionpack/lib/action_view/helpers/active_model_helper.rb
index 75cc651968..0f122d9232 100644
--- a/actionpack/lib/action_view/helpers/active_record_helper.rb
+++ b/actionpack/lib/action_view/helpers/active_model_helper.rb
@@ -15,7 +15,7 @@ module ActionView
     # method that creates a complete form for all the basic content types of the record (not associations or aggregations, though). This
     # is a great way of making the record quickly available for editing, but likely to prove lackluster for a complicated real-world form.
     # In that case, it's better to use the +input+ method and the specialized +form+ methods in link:classes/ActionView/Helpers/FormHelper.html
-    module ActiveRecordHelper
+    module ActiveModelHelper
       # Returns a default input tag for the type of object returned by the method. For example, if <tt>@post</tt>
       # has an attribute +title+ mapped to a +VARCHAR+ column that holds "Hello World":
       #
@@ -77,6 +77,7 @@ module ActionView
       # * <tt>:submit_value</tt> - The text of the submit button (default: "Create" if a new record, otherwise "Update").
       def form(record_name, options = {})
         record = instance_variable_get("@#{record_name}")
+        record = convert_to_model(record)
 
         options = options.symbolize_keys
         options[:action] ||= record.new_record? ? "create" : "update"
@@ -121,6 +122,8 @@ module ActionView
         end
         options.reverse_merge!(:prepend_text => '', :append_text => '', :css_class => 'formError')
 
+        object = convert_to_model(object)
+
         if (obj = (object.respond_to?(:errors) ? object : instance_variable_get("@#{object}"))) &&
           (errors = obj.errors[method])
           content_tag("div",
@@ -179,6 +182,8 @@ module ActionView
           objects = params.collect {|object_name| instance_variable_get("@#{object_name}") }.compact
         end
 
+        objects.map! {|o| convert_to_model(o) }
+
         count  = objects.inject(0) {|sum, object| sum + object.errors.count }
         unless count.zero?
           html = {}
@@ -226,7 +231,14 @@ module ActionView
         end
     end
 
-    class InstanceTag #:nodoc:
+    module ActiveRecordInstanceTag
+      def object
+        @active_model_object ||= begin
+          object = super
+          object.respond_to?(:to_model) ? object.to_model : object
+        end
+      end
+
       def to_tag(options = {})
         case column_type
           when :string
@@ -248,11 +260,9 @@ module ActionView
       end
 
       %w(tag content_tag to_date_select_tag to_datetime_select_tag to_time_select_tag).each do |meth|
-        without = "#{meth}_without_error_wrapping"
-        define_method "#{meth}_with_error_wrapping" do |*args|
-          error_wrapping(send(without, *args))
+        define_method meth do |*|
+          error_wrapping(super)
         end
-        alias_method_chain meth, :error_wrapping
       end
 
       def error_wrapping(html_tag)
@@ -267,5 +277,9 @@ module ActionView
         object.send(:column_for_attribute, @method_name).type
       end
     end
+
+    class InstanceTag
+      include ActiveRecordInstanceTag
+    end
   end
 end
diff --git a/actionpack/lib/action_view/helpers/ajax_helper.rb b/actionpack/lib/action_view/helpers/ajax_helper.rb
new file mode 100644
index 0000000000..9cc2acc239
--- /dev/null
+++ b/actionpack/lib/action_view/helpers/ajax_helper.rb
@@ -0,0 +1,68 @@
+module ActionView
+  module Helpers
+    module AjaxHelper
+      include UrlHelper
+      
+      def link_to_remote(name, url, options = {})
+        html = options.delete(:html) || {}
+        
+        update = options.delete(:update)
+        if update.is_a?(Hash)
+          html["data-update-success"] = update[:success]
+          html["data-update-failure"] = update[:failure]
+        else
+          html["data-update-success"] = update
+        end
+
+        html["data-update-position"] = options.delete(:position)
+        html["data-method"]          = options.delete(:method)
+        html["data-remote"]          = "true"
+        
+        html.merge!(options)
+        
+        url = url_for(url) if url.is_a?(Hash)
+        link_to(name, url, html)
+      end
+      
+      def button_to_remote(name, options = {}, html_options = {})
+        url = options.delete(:url)
+        url = url_for(url) if url.is_a?(Hash)
+        
+        html_options.merge!(:type => "button", :value => name,
+          :"data-url" => url)
+        
+        tag(:input, html_options)
+      end
+      
+      module Rails2Compatibility
+        def set_callbacks(options, html)
+          [:complete, :failure, :success, :interactive, :loaded, :loading].each do |type|
+            html["data-#{type}-code"]  = options.delete(type.to_sym)
+          end
+
+          options.each do |option, value|
+            if option.is_a?(Integer)
+              html["data-#{option}-code"] = options.delete(option)
+            end
+          end
+        end
+        
+        def link_to_remote(name, url, options = nil)
+          if !options && url.is_a?(Hash) && url.key?(:url)
+            url, options = url.delete(:url), url
+          end
+          
+          set_callbacks(options, options[:html] ||= {})
+          
+          super
+        end
+        
+        def button_to_remote(name, options = {}, html_options = {})
+          set_callbacks(options, html_options)
+          super
+        end
+      end
+      
+    end
+  end
+end
\ No newline at end of file
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb
index 6d6d623938..2d1d19d5f3 100644
--- a/actionpack/lib/action_view/helpers/form_helper.rb
+++ b/actionpack/lib/action_view/helpers/form_helper.rb
@@ -288,6 +288,8 @@ module ActionView
       def apply_form_for_options!(object_or_array, options) #:nodoc:
         object = object_or_array.is_a?(Array) ? object_or_array.last : object_or_array
 
+        object = convert_to_model(object)
+
         html_options =
           if object.respond_to?(:new_record?) && object.new_record?
             { :class  => dom_class(object, :new),  :id => dom_id(object), :method => :post }
@@ -488,7 +490,7 @@ module ActionView
           object_name = ActionController::RecordIdentifier.singular_class_name(object)
         end
 
-        builder = options[:builder] || ActionView::Base.default_form_builder
+        builder = options[:builder] || ActionView.default_form_builder
         yield builder.new(object_name, object, self, options, block)
       end
 
@@ -626,8 +628,8 @@ module ActionView
 
       # Returns a checkbox tag tailored for accessing a specified attribute (identified by +method+) on an object
       # assigned to the template (identified by +object+). This object must be an instance object (@object) and not a local object.
-      # It's intended that +method+ returns an integer and if that integer is above zero, then the checkbox is checked. 
-      # Additional options on the input tag can be passed as a hash with +options+. The +checked_value+ defaults to 1 
+      # It's intended that +method+ returns an integer and if that integer is above zero, then the checkbox is checked.
+      # Additional options on the input tag can be passed as a hash with +options+. The +checked_value+ defaults to 1
       # while the default +unchecked_value+ is set to 0 which is convenient for boolean values.
       #
       # ==== Gotcha
@@ -709,7 +711,8 @@ module ActionView
       end
     end
 
-    class InstanceTag #:nodoc:
+    module InstanceTagMethods #:nodoc:
+      extend ActiveSupport::Concern
       include Helpers::TagHelper, Helpers::FormTagHelper
 
       attr_reader :method_name, :object_name
@@ -832,7 +835,7 @@ module ActionView
         self.class.value_before_type_cast(object, @method_name)
       end
 
-      class << self
+      module ClassMethods
         def value(object, method_name)
           object.send method_name unless object.nil?
         end
@@ -918,6 +921,10 @@ module ActionView
         end
     end
 
+    class InstanceTag
+      include InstanceTagMethods
+    end
+
     class FormBuilder #:nodoc:
       # The methods which wrap a form helper call.
       class_inheritable_accessor :field_helpers
@@ -1022,7 +1029,7 @@ module ActionView
         def fields_for_with_nested_attributes(association_name, args, block)
           name = "#{object_name}[#{association_name}_attributes]"
           association = @object.send(association_name)
-          explicit_object = args.first if args.first.respond_to?(:new_record?)
+          explicit_object = args.first.to_model if args.first.respond_to?(:to_model)
 
           if association.is_a?(Array)
             children = explicit_object ? [explicit_object] : association
@@ -1054,9 +1061,21 @@ module ActionView
     end
   end
 
-  class << Base
+  class << ActionView
     attr_accessor :default_form_builder
   end
 
-  Base.default_form_builder = ::ActionView::Helpers::FormBuilder
+  self.default_form_builder = ::ActionView::Helpers::FormBuilder
+
+  # 2.3 compatibility
+  class << Base
+    def default_form_builder=(builder)
+      ActionView.default_form_builder = builder
+    end
+
+    def default_form_builder
+      ActionView.default_form_builder
+    end
+  end
+
 end
diff --git a/actionpack/lib/action_view/render/partials.rb b/actionpack/lib/action_view/render/partials.rb
index a80ffe3c20..ccb14d513a 100644
--- a/actionpack/lib/action_view/render/partials.rb
+++ b/actionpack/lib/action_view/render/partials.rb
@@ -259,7 +259,7 @@ module ActionView
           
           _set_locals(object, locals, template, options)
           
-          self._partial = template
+          options[:_template] = template
           
           _render_template(template, locals)
         end
@@ -278,7 +278,7 @@ module ActionView
         locals = (options[:locals] ||= {})
         index, @_partial_path = 0, nil
         collection.map do |object|
-          template = passed_template || begin
+          options[:_template] = template = passed_template || begin
             _partial_path = 
               ActionController::RecordIdentifier.partial_path(object, controller_path)
             template = _pick_partial_template(_partial_path)
@@ -289,8 +289,6 @@ module ActionView
           
           index += 1
           
-          self._partial = template
-          
           _render_template(template, locals)
         end.join(spacer)
       end
diff --git a/actionpack/lib/action_view/template/renderable.rb b/actionpack/lib/action_view/template/renderable.rb
index 54857516ab..7687578165 100644
--- a/actionpack/lib/action_view/template/renderable.rb
+++ b/actionpack/lib/action_view/template/renderable.rb
@@ -12,9 +12,9 @@ module ActionView
     end
     
     def load!
-      names = Base::CompiledTemplates.instance_methods.grep(/#{method_name_without_locals}/)
+      names = CompiledTemplates.instance_methods.grep(/#{method_name_without_locals}/)
       names.each do |name|
-        Base::CompiledTemplates.class_eval do
+        CompiledTemplates.class_eval do
           remove_method(name)
         end
       end
@@ -56,7 +56,7 @@ module ActionView
     def compile(local_assigns)
       render_symbol = method_name(local_assigns)
 
-      if !Base::CompiledTemplates.method_defined?(render_symbol) || recompile?
+      if !CompiledTemplates.method_defined?(render_symbol) || recompile?
         compile!(render_symbol, local_assigns)
       end
     end
@@ -74,7 +74,7 @@ module ActionView
         end_src
 
         begin
-          ActionView::Base::CompiledTemplates.module_eval(source, filename.to_s, 0)
+          ActionView::CompiledTemplates.module_eval(source, filename.to_s, 0)
         rescue Exception => e # errors from template code
           if logger = defined?(ActionController) && Base.logger
             logger.debug "ERROR: compiling #{render_symbol} RAISED #{e}"
diff --git a/actionpack/lib/action_view/template/template.rb b/actionpack/lib/action_view/template/template.rb
index fac50cd692..4145045e2d 100644
--- a/actionpack/lib/action_view/template/template.rb
+++ b/actionpack/lib/action_view/template/template.rb
@@ -75,7 +75,7 @@ module ActionView
       end
 
       begin
-        ActionView::Base::CompiledTemplates.module_eval(source, identifier, line)
+        ActionView::CompiledTemplates.module_eval(source, identifier, line)
         method_name
       rescue Exception => e # errors from template code
         if logger = (view && view.logger)
diff --git a/actionpack/lib/action_view/test_case.rb b/actionpack/lib/action_view/test_case.rb
index 7355af4192..3f3951509a 100644
--- a/actionpack/lib/action_view/test_case.rb
+++ b/actionpack/lib/action_view/test_case.rb
@@ -23,6 +23,7 @@ module ActionView
   class TestCase < ActiveSupport::TestCase
     include ActionDispatch::Assertions
     include ActionController::TestProcess
+    include ActionView::Context
 
     class_inheritable_accessor :helper_class
     @@helper_class = nil