link actions for the sidebar abstract public function is_installed(); // Returns an boolean t/f abstract public function install(); abstract public function uninstall(); /** * get_url * This returns the URL for the passed object */ private function get_url($object) { } // get_url /** * get_file * This returns the Filename for the passed object, not * always possible */ private function get_file($object) { } // get_file } // end localplay_controller interface