announcement-test/app/views/admin/announcements/_edit_feed_form.html.erb

<%= form_for @announcement_feed, url: admin_announcement_updatefeed_path(:id => @announcement_feed.id), html: {class: "form-horizontal main-forms"} do |f| %>
  <fieldset>
    <% @site_in_use_locales.each do |locale| %>
      <%= f.fields_for :title_translations do |f| %>
        <div class="control-group">
          <label class="control-label muted" for="bulletin_feed_title_translations_<%= locale.to_s %>"><%= t(:title) + " (#{t(locale.to_s)})" %></label>
          <div class="controls">
            <%= f.text_field locale, data: {"fv-validation" => "required;","fv-messages" => "Cannot be empty.;"}, value: (@announcement_feed.title_translations[locale.to_s] rescue nil) %> 
          </div>
        </div>
      <% end %>
    <% end %>
    <hr />
    <div class="tags">
      <h4><%=t(:tags)%></h4>
      <div id="tags-list">
      <div class="tags-groups checkbox-card module-tags">
      <% @module_app.tags.each do |tag| %>
        <label class="filter-item module <%= @announcement_feed.tag_ids.include?(tag.id.to_s) ? "active" : "" %>">
          <p class='card pull-left <%= @announcement_feed.tag_ids.include?(tag.id.to_s) ? "active" : "" %>'>
            <input type="checkbox" <%= @announcement_feed.tag_ids.include?(tag.id.to_s) ? "checked=checked" : ""  %> class="tag-checkbox" value="<%= tag.id.to_s %>" name="bulletin_feed[tag_ids][]">
          </p>
          <div>
            <% @site_in_use_locales.each_with_index do |locale,index| %>
              <span class="tag"><%= tag.name_translations[locale] %></span> 
              <% if index < (@site_in_use_locales.count - 1) %>
               / 
               <% end %>
            <% end %>
          </div>
        </label>
        <% end %>
      </div>
      </div>
    </div>
    <div class="categories">
      <h4><%=t(:category)%></h4>
      <div id="categories-list">
      <div class="tags-groups checkbox-card module-categories">
      <% @module_app.categories.each do |category| %>
        <label class="filter-item module <%= @announcement_feed.category_ids.include?(category.id.to_s) ? "active" : ""  %>">
          <p class="card pull-left <%= @announcement_feed.category_ids.include?(category.id.to_s) ? "active" : ""  %>">
            <input type="checkbox" class="tag-checkbox" <%= @announcement_feed.category_ids.include?(category.id.to_s) ? "checked=checked" : ""  %> value="<%= category.id.to_s %>" name="bulletin_feed[category_ids][]">
          </p>
          <div>
            <% @site_in_use_locales.each_with_index do |locale,index| %>
              <span class="tag"><%= category.title_translations[locale] %></span> 
              <% if index < (@site_in_use_locales.count - 1) %>
               / 
               <% end %>
            <% end %>
          </div>
        </label>
        <% end %>
      </div>
      </div>
    </div>
  </fieldset>
<% end %>