private string RackStatusToString(ItemRackState inState)
{
switch (inState) {
case ItemRackState.CanPurchase:
return "*";
case ItemRackState.Soldout:
return "-";
case ItemRackState.RackNotExist:
return "x";
case ItemRackState.MissingChange:
return "!";
default:
return " ";
}
}