public Service_mode(Product[] product1,MoneyType[] change1)
{
Form1 frm = (Form1)this.Owner;
money = new Money(this);
InitializeComponent();
this.product = product1;
this.change = change1;
}
//counting the overall amount of money being iserted
public double sumCoins(MoneyType[] coins)
{
double sum = 0;
for (int i=0; i<coins.Length;i++)
{
if (coins[i].Unit!=0)
{
sum += coins[i].Value;
}
}
return sum;
}
public Money(Form form1)
{
this.form = form1;
InitializeComponent();
money_inserted = 0;
coins_inserted[0] = new MoneyType(0.01, 0);
coins_inserted[1] = new MoneyType(0.02, 0);
coins_inserted[2] = new MoneyType(0.05, 0);
coins_inserted[3] = new MoneyType(0.1, 0);
coins_inserted[4] = new MoneyType(0.2, 0);
coins_inserted[5] = new MoneyType(0.5, 0);
coins_inserted[6] = new MoneyType(1, 0);
coins_inserted[7] = new MoneyType(2, 0);
}
//algorithm to give change
public void giveChange(MoneyType[] change, double money_inserted)
{
int mtype = change.Length - 1;
//while we have sum to return, we giving change with the highest coin's vvalue that we have
//and by minimum amount of coins.
//thus, if, for example, we have £ 1.6 to give back, the change has to be:
//1 coin of one pound, 1 coin of 50 pence, 1 coinn of 10 pence
while ((money_inserted > 0) && (mtype >= 0))
{
while ((change[mtype].Unit >= 0) && (money_inserted >= change[mtype].Value))
{
showChange.Text += " 1 coin of £ " + change[mtype].Value + " given \r\n";
change[mtype].Unit--;
money_inserted -= change[mtype].Value;
money_inserted = Math.Round(money_inserted, 4);
}
mtype--;
}
}
int type; // profuct type
#endregion Fields
#region Constructors
public Form1()
{
InitializeComponent();
type = 0;
insert_money = new Money(this);
service1 = new Service_mode(product, change);
//initialising product array
product[0] = new Product(4, 0.5, "Coke");
product[1] = new Product(4, 0.5, "Sprite");
product[2] = new Product(4, 0.4, "Mirinda");
product[3] = new Product(4, 0.4, "Pepsi");
product[4] = new Product(4, 0.65, "Schweppes");
product[5] = new Product(4, 0.65, "Mountain Dew");
//initialising the change array
change[0] = new MoneyType(0.01, 4);
change[1] = new MoneyType(0.02, 4);
change[2] = new MoneyType(0.05, 4);
change[3] = new MoneyType(0.1, 4);
change[4] = new MoneyType(0.2, 4);
change[5] = new MoneyType(0.5, 4);
change[6] = new MoneyType(1, 4);
change[7] = new MoneyType(2, 4);
}