fronted open switch and backend openness

app/views/admin/sites/site_info.html.erb

@@ -35,6 +35,14 @@
               </div>
             <% end %>
           <% end %>
+          <div class="control-group">
+            <label class="control-label"><%= t 'site.openness' %></label>
+            <div class="controls">
+              <%= f.check_box :frontend_closed %><%= I18n.t('site.frontend_closed') %><br/>
+              <%= f.check_box :backend_openness_on %><%= I18n.t('site.backend_openness_on') %>
+              <p class="help-block"><%= (t 'site.search_help').html_safe %></p>
+            </div>
+        </div>
           <div class="control-group">
             <label class="control-label"><%= t 'site.search' %></label>
             <div class="controls">

app/views/layouts/_guest_orbit_menu.erb

@@ -1,5 +1,8 @@
           <a class="brand dropdown-toggle" data-toggle="dropdown" href="#">Orbit</a>
-          <ul class="dropdown-menu">
-              <li><%= link_to content_tag(:i, nil, :class => 'icons-gauge') + t(:dashboard_), admin_dashboards_path %></li>
-              <li><%= link_to content_tag(:i, nil, :class => 'icons-users') + t(:member), admin_users_new_interface_index_path %></li>
-          </ul>
+          <% if Me.backend_openness_on %>
+            <ul class="dropdown-menu">
+                <li><%= link_to content_tag(:i, nil, :class => 'icons-gauge') + t(:dashboard_), admin_dashboards_path %></li>
+                <li><%= link_to content_tag(:i, nil, :class => 'icons-users') + t(:member), admin_users_new_interface_index_path %></li>
+            </ul>    
+          <% end %>  
+          

app/views/layouts/_orbit_bar.html.erb

@@ -38,7 +38,7 @@
       <li class="dropdown language">
         <a class="dropdown-toggle orbit-bar-language" href="#" data-toggle="dropdown" data-icons="&#xe054;"></a>
         <ul class="dropdown-menu language-menu">
-          <% @site_in_use_locales.each do |locale| %>
+          <% @site_in_use_locales.compact.each do |locale| %>
             <%= content_tag :li, (link_to t(:_locale, :locale => locale), add_locale(remove_locale((referer rescue request.fullpath)), locale)), :class => (I18n.locale.eql?(locale.to_sym) ? 'active' : nil) %>
           <% end %>
         </ul>