public void Add(Name name, PhoneNumber number)
{
enlargeIfFull();
this.names[used] = name;
this.phoneNumbers[used] = number;
this.used++;
}
private void findByPhoneNumberClick(object sender, RoutedEventArgs e)
{
// TODO:
string text = phoneNumber.Text;
if (!String.IsNullOrEmpty(text)) {
PhoneNumber personPhoneNumber = new PhoneNumber(text);
Name personName = this.phoneBook[personPhoneNumber];
name.Text = String.IsNullOrEmpty(personName.Text) ? "Not Found" : personName.Text;
}
}
private void findNameClick(object sender, RoutedEventArgs e)
{
string text = phoneNumber.Text;
if (!String.IsNullOrEmpty(text))
{
PhoneNumber personsPhoneNumber = new PhoneNumber(text);
Name personsName = this.phoneBook[personsPhoneNumber];
name.Text = personsName.Text;
}
}
// TODO: write 1st indexer here
public Name this[PhoneNumber number]
{
get{
int i = Array.IndexOf(this.phoneNumbers, number);
if (i != -1)
{
return this.names[i];
}
else {
return new Name();
}
}
}
private void enlargeIfFull()
{
if (this.used == this.names.Length)
{
int bigger = used + 16;
Name[] moreNames = new Name[bigger];
this.names.CopyTo(moreNames, 0);
PhoneNumber[] morePhoneNumbers = new PhoneNumber[bigger];
this.phoneNumbers.CopyTo(morePhoneNumbers, 0);
this.names = moreNames;
this.phoneNumbers = morePhoneNumbers;
}
}
public bool Equals(PhoneNumber other) => this.number == other.number;