public function get_tags_list_for_form($library_values)
 {
     $div = '<div id="tags-list">';
     // $div .= '<h3>Principal Tags</h3>';
     // $div .= VideoLibrary_DisplayHelper::get_tags_empty_links_list(
     // VideoLibrary_DatabaseHelper::get_tags(TRUE)
     // )->get_as_string();
     foreach ($library_values as $library_value) {
         $principal_lib_tags = VideoLibrary_DatabaseHelper::get_tags_for_external_library_id($library_value['id'], TRUE);
         $lib_tags = VideoLibrary_DatabaseHelper::get_tags_for_external_library_id($library_value['id']);
         if (count($lib_tags) > 0) {
             $div .= '<div class="library ' . $library_value['id'] . '">';
             $div .= '<div class="principal-tags ' . $library_value['name'] . '">';
             $div .= '<h3>Principal ' . $library_value['name'] . ' Tags</h3>';
             $div .= VideoLibrary_DisplayHelper::get_tags_empty_links_list($principal_lib_tags)->get_as_string();
             $div .= '</div>';
             $div .= '<h3>All ' . $library_value['name'] . ' Tags</h3>';
             $div .= VideoLibrary_DisplayHelper::get_tags_empty_links_list($lib_tags)->get_as_string();
             $div .= '</div>';
         }
     }
     // $div .= '<h3>All Tags</h3>';
     // $div .= VideoLibrary_DisplayHelper::get_tags_empty_links_list(
     // VideoLibrary_DatabaseHelper::get_tags()
     // )->get_as_string();
     $div .= '</div>';
     return $div;
 }
 protected function set_primary_tags()
 {
     $this->primary_tags = VideoLibrary_DatabaseHelper::get_tags_for_external_library_id($this->get_external_video_library_id(), TRUE);
 }