1using gorilla.utility;
 2using solidware.financials.windows.ui.views.controls;
 3
 4namespace solidware.financials.windows.ui.presenters
 5{
 6    public class Money
 7    {
 8        static public readonly Money Zero = new Money(0m);
 9        static public Observable<Money> Null { get { return new ObservableProperty<Money>(Zero); } }
10
11        public Money(decimal money)
12        {
13            this.money = money;
14        }
15        static public implicit operator decimal(Money money)
16        {
17            return money.money;
18        }
19
20        static public implicit operator Money(decimal money)
21        {
22            return new Money(money);
23        }
24
25        public Money Plus(Money other)
26        {
27            return new Money(money + other.money);
28        }
29
30        public bool Equals(Money other)
31        {
32            if (ReferenceEquals(null, other)) return false;
33            if (ReferenceEquals(this, other)) return true;
34            return other.money == money;
35        }
36
37        public override bool Equals(object obj)
38        {
39            if (ReferenceEquals(null, obj)) return false;
40            if (ReferenceEquals(this, obj)) return true;
41            if (obj.GetType() != typeof (Money)) return false;
42            return Equals((Money) obj);
43        }
44
45        public override int GetHashCode()
46        {
47            return money.GetHashCode();
48        }
49
50        public override string ToString()
51        {
52            return "{0:C}".format(money);
53        }
54
55        decimal money;
56    }
57}