Allow wrapper tag to be given on demand.

TODO.rdoc

@@ -1,13 +1,10 @@
 == General
 
 * Sample CSS
-* Get default string options from column definition
 * Add support to default :prompt methods on datetime inputs
 * Add support to default label method
-* Add support to f.label, f.error and f.hint calls
 * Improve readme with examples
 * :country, :time_zone, :group and :file types support
-* Allow required to come after or before the label
 
 == Associations
 

lib/simple_form/components/wrapper.rb

@@ -6,8 +6,10 @@ module SimpleForm
       include RequiredHelpers
 
       def call
-        if SimpleForm.wrapper_tag
-          template.content_tag(SimpleForm.wrapper_tag, @component.call, component_html_options)
+        tag = options[:wrapper] || SimpleForm.wrapper_tag
+
+        if tag
+          template.content_tag(tag, @component.call, component_html_options)
         else
           @component.call
         end

test/form_builder_test.rb

@@ -160,6 +160,13 @@ class FormBuilderTest < ActionView::TestCase
     end
   end
 
+  test 'builder allows wrapper tag to be given on demand' do
+    simple_form_for @user do |f|
+      concat f.input :name, :wrapper => :b
+    end
+    assert_select 'form b.required.string'
+  end
+
   test 'nested simple fields should yields an instance of FormBuilder' do
     simple_form_for :user do |f|
       f.simple_fields_for :posts do |posts_form|