Extract translatable field logic to FormBuilder

app/helpers/globalize_helper.rb

@@ -14,14 +14,6 @@ module GlobalizeHelper
     same_locale?(neutral_locale(I18n.locale), neutral_locale(locale)) ? "" : "display: none"
   end
 
-  def render_translations_to_delete(resource)
-    capture do
-      resource.globalize_locales.each do |locale|
-        concat translation_enabled_tag(locale, enable_locale?(resource, locale))
-      end
-    end
-  end
-
   def translation_enabled_tag(locale, enabled)
     hidden_field_tag("enabled_translations[#{locale}]", (enabled ? 1 : 0))
   end

app/helpers/translatable_form_helper.rb

@@ -0,0 +1,43 @@
+module TranslatableFormHelper
+  def translatable_form_for(record, options = {})
+    object = record.is_a?(Array) ? record.last : record
+
+    form_for(record, options.merge(builder: TranslatableFormBuilder)) do |f|
+
+      object.globalize_locales.each do |locale|
+        concat translation_enabled_tag(locale, enable_locale?(object, locale))
+      end
+
+      yield(f)
+    end
+  end
+end
+
+class TranslatableFormBuilder < FoundationRailsHelper::FormBuilder
+
+  def translatable_text_field(method, options = {})
+    translatable_field(:text_field, method, options)
+  end
+  def translatable_text_area(method, options = {})
+    translatable_field(:text_area, method, options)
+  end
+
+  private
+
+    def translatable_field(field_type, method, options = {})
+      @template.capture do
+        @object.globalize_locales.each do |locale|
+          Globalize.with_locale(locale) do
+            final_options = options.merge(
+              class: (options.fetch(:class, "") + " js-globalize-attribute"),
+              style: @template.display_translation?(locale),
+              data:  options.fetch(:data, {}).merge(locale: locale),
+              label: false
+            )
+
+            @template.concat send(field_type, "#{method}_#{locale}", final_options)
+          end
+        end
+      end
+    end
+end

app/views/admin/banners/_form.html.erb

@@ -1,11 +1,9 @@
 <%= render "admin/shared/globalize_locales", resource: @banner %>
 
-<%= form_for [:admin, @banner] do |f| %>
+<%= translatable_form_for [:admin, @banner] do |f| %>
 
   <%= render 'errors' %>
 
-  <%= render_translations_to_delete(@banner) %>
-
   <div class="row">
     <% date_started_at = @banner.post_started_at.present? ? I18n.localize(@banner.post_started_at) : "" %>
     <div class="small-12 medium-3 column">
@@ -32,18 +30,9 @@
   <div class="row">
     <div class="small-12 medium-6 column">
       <%= f.label :title, t("admin.banners.banner.title") %>
-
-      <% @banner.globalize_locales.each do |locale| %>
-        <% globalize(locale) do %>
-          <%= f.text_field "title_#{locale}",
-                           placeholder: t("admin.banners.banner.title"),
-                           class: "js-globalize-attribute",
-                           data: {js_banner_title: "js_banner_title",
-                                  locale: locale},
-                           style: display_translation?(locale),
-                           label: false %>
-        <% end %>
-      <% end %>
+      <%= f.translatable_text_field :title,
+                                    placeholder: t("admin.banners.banner.title"),
+                                    data: {js_banner_title: "js_banner_title"}%>
     </div>
 
     <div class="small-12 medium-6 column">
@@ -57,17 +46,9 @@
   <div class="row">
     <div class="small-12 column">
       <%= f.label :description, t("admin.banners.banner.description") %>
-      <% @banner.globalize_locales.each do |locale| %>
-        <% globalize(locale) do %>
-          <%= f.text_field "description_#{locale}",
-                           placeholder: t("admin.banners.banner.description"),
-                           class: "js-globalize-attribute",
-                           data: {js_banner_description: "js_banner_description",
-                                  locale: locale},
-                           style: display_translation?(locale),
-                           label: false %>
-        <% end %>
-      <% end %>
+      <%= f.translatable_text_field :description,
+                                    placeholder: t("admin.banners.banner.description"),
+                                    data: {js_banner_description: "js_banner_description"} %>
     </div>
   </div>
 

app/views/admin/budget_investment_milestones/_form.html.erb

@@ -1,8 +1,6 @@
 <%= render "admin/shared/globalize_locales", resource: @milestone %>
 
-<%= form_for [:admin, @investment.budget, @investment, @milestone] do |f| %>
-
-  <%= render_translations_to_delete(@milestone) %>
+<%= translatable_form_for [:admin, @investment.budget, @investment, @milestone] do |f| %>
 
   <%= f.hidden_field :title, value: l(Time.current, format: :datetime),
                              maxlength: Budget::Investment::Milestone.title_max_length %>
@@ -17,15 +15,7 @@
   </div>
 
   <%= f.label :description, t("admin.milestones.new.description") %>
-  <% @milestone.globalize_locales.each do |locale| %>
-    <% globalize(locale) do %>
-      <%= f.text_area "description_#{locale}", rows: 5,
-                      class: "js-globalize-attribute",
-                      data: { locale: locale },
-                      style: display_translation?(locale),
-                      label: false %>
-    <% end %>
-  <% end %>
+  <%= f.translatable_text_field :description, rows: 5 %>
 
   <%= f.label :publication_date, t("admin.milestones.new.date") %>
   <%= f.text_field :publication_date,