/**
* Displays the UI for the backup!
*
* Note: The UI makes use of mforms (ewww!) thus it will automatically print
* out the result rather than returning a string of HTML like other parts of Moodle
*
* @return bool
*/
public function display()
{
if ($this->progress < self::PROGRESS_SAVED) {
throw new base_ui_exception('backupsavebeforedisplay');
}
$this->stage->display();
}
/**
* Displays the UI for the backup!
*
* @throws base_ui_exception
* @param core_backup_renderer $renderer
* @return string HTML code to echo
*/
public function display(core_backup_renderer $renderer)
{
if ($this->progress < self::PROGRESS_SAVED) {
throw new base_ui_exception('backupsavebeforedisplay');
}
return $this->stage->display($renderer);
}
