space/app/views/admin/spaces/_form.html.erb

<% content_for :page_specific_css do %>
  <%= stylesheet_link_tag "lib/main-forms" %>
  <%= stylesheet_link_tag "lib/fileupload" %>
  <%= stylesheet_link_tag "lib/main-list" %>
<% end %>
<% content_for :page_specific_javascript do %>
  <%= javascript_include_tag "lib/bootstrap-fileupload" %>
<% end %>

<!-- Input Area -->
<div class="input-area">
  <!-- Module -->
  <div class="tab-content">

    <!-- Basic Module -->
    <div class="tab-pane fade in active" id="basic">

      <% @site_in_use_locales.each do |locale| %>
        <%= f.fields_for :title_translations do |f| %>
          <div class="control-group">
            <%= f.label :title.to_s + " (" + locale.to_s + ")", :class => "control-label muted" %>
            <div class="controls">
              <%= f.text_field locale, placeholder: t("space.building_name"), :value => @building.title_translations[locale.to_s] %>
            </div>
          </div>
        <% end %>
      <% end %>

      <!-- Category -->
      <div class="control-group">
        <label class="control-label muted"><%= t(:category) %></label>
        <div class="controls">
          <%= select_category(f, ModuleApp.find_by_key("space")) %>
        </div>
      </div>

       <!-- Images Upload -->
      <div class="control-group">
        <label class="control-label muted"><%= t(:image) %></label>
        <div class="controls">
          <div class="fileupload fileupload-new clearfix <%= 'fileupload-edit' if @building.image.file %>" data-provides="fileupload">
            <div class="fileupload-new thumbnail pull-left">
              <% if @building.image.file %>
                <%= image_tag @building.image %>
              <% else %>
                <img src="http://www.placehold.it/50x50/EFEFEF/AAAAAA" />
              <% end %>
            </div>
            <div class="fileupload-preview fileupload-exists thumbnail pull-left"></div>
            <span class="btn btn-file">
              <span class="fileupload-new"><%= t(:select_image) %></span>
              <span class="fileupload-exists"><%= t(:change) %></span>
              <%= f.file_field :image %>
            </span>
            <a href="#" class="btn fileupload-exists" data-dismiss="fileupload"><%= t(:cancel) %></a>
            <div class="controls" data-toggle="buttons-checkbox">
              <label class="checkbox inline btn btn-danger fileupload-remove">
                <%= f.check_box :remove_image %><%= t(:remove) %>
              </label>
            </div>
          </div>
        </div>
      </div>


    </div>
  </div>
</div>


<!-- Form Actions -->
<div class="form-actions">
  <%= f.submit t('submit'), class: 'btn btn-primary' %>
  <%= link_to t('cancel'), admin_spaces_path, :class=>"btn" %>  
</div>