CAdminSubList::initMode

protected function initMode(): void
{
	$this->mode = self::MODE_PAGE;
	$mode = $this->request->get(self::MODE_FIELD_NAME);
	if (
		is_string($mode)
		&& (in_array(
			$mode,
			$this->getModeList(),
			true
		))
	)
	{
		$this->mode = $mode;
	}
}