Ability to pass block to AV#select helper

  Example:

    = select(report, "campaign_ids") do
      - available_campaigns.each do |c|
        %option{:data => {:tags => c.tags.to_json}, :value => c.id}= c.name

2 files changed, 6 insertions, 5 deletions

diff --git a/actionview/lib/action_view/helpers/form_options_helper.rb b/actionview/lib/action_view/helpers/form_options_helper.rb
index fcd151ac32..d9ccca8880 100644
--- a/actionview/lib/action_view/helpers/form_options_helper.rb
+++ b/actionview/lib/action_view/helpers/form_options_helper.rb
@@ -152,8 +152,8 @@ module ActionView
       # In case if you don't want the helper to generate this hidden field you can specify
       # <tt>include_hidden: false</tt> option.
       #
-      def select(object, method, choices, options = {}, html_options = {})
-        Tags::Select.new(object, method, self, choices, options, html_options).render
+      def select(object, method, choices = nil, options = {}, html_options = {}, &block)
+        Tags::Select.new(object, method, self, choices, options, html_options, &block).render
       end
 
       # Returns <tt><select></tt> and <tt><option></tt> tags for the collection of existing return values of
@@ -766,8 +766,8 @@ module ActionView
       #   <% end %>
       #
       # Please refer to the documentation of the base helper for details.
-      def select(method, choices, options = {}, html_options = {})
-        @template.select(@object_name, method, choices, objectify_options(options), @default_options.merge(html_options))
+      def select(method, choices = nil, options = {}, html_options = {}, &block)
+        @template.select(@object_name, method, choices, objectify_options(options), @default_options.merge(html_options), &block)
       end
 
       # Wraps ActionView::Helpers::FormOptionsHelper#collection_select for form builders:
diff --git a/actionview/lib/action_view/helpers/tags/select.rb b/actionview/lib/action_view/helpers/tags/select.rb
index d64e2f68ef..00881d9978 100644
--- a/actionview/lib/action_view/helpers/tags/select.rb
+++ b/actionview/lib/action_view/helpers/tags/select.rb
@@ -3,8 +3,9 @@ module ActionView
     module Tags # :nodoc:
       class Select < Base # :nodoc:
         def initialize(object_name, method_name, template_object, choices, options, html_options)
-          @choices = choices
+          @choices = block_given? ? template_object.capture { yield } : choices
           @choices = @choices.to_a if @choices.is_a?(Range)
+
           @html_options = html_options
 
           super(object_name, method_name, template_object, options)