protected function get_action_url_for_content($get_var_content, $identifiers)
 {
     $url = parent::get_action_url_for_content($get_var_content, $identifiers);
     $acm = $this->get_admin_crud_manager();
     $url->set_get_variable('file', $acm->get_file_name());
     return $url;
 }
 protected function get_content_render_method_map()
 {
     $crmm = parent::get_content_render_method_map();
     $crmm['view_library'] = 'render_content_to_view_a_library';
     return $crmm;
 }
 protected function get_content_render_method_map()
 {
     $crmm = parent::get_content_render_method_map();
     // $crmm['view_video'] = 'render_content_to_view_a_video';
     return $crmm;
 }
 protected function get_content_render_method_map()
 {
     $crmm = parent::get_content_render_method_map();
     $crmm['reset_everything'] = 'render_content_to_reset_everything';
     return $crmm;
 }