Customer Class
The code used in Customer class is as follows:
public class Customer : INotifyPropertyChanged, IEditableObject
{
//fields
int _id, _countryId, _orderCount;
string _first, _last;
string _address, _city, _postalCode, _email;
bool _active;
DateTime _lastOrderDate;
double _orderTotal;
static Random _rnd = new Random();
static string[] _firstNames = "Andy|Ben|Charlie|Dan|Ed|Fred|Gil|Herb|Jack|Karl|Larry|Mark|Noah|Oprah|Paul|Quince|Rich|Steve|Ted|Ulrich|Vic|Xavier|Zeb".Split('|');
static string[] _lastNames = "Ambers|Bishop|Cole|Danson|Evers|Frommer|Griswold|Heath|Jammers|Krause|Lehman|Myers|Neiman|Orsted|Paulson|Quaid|Richards|Stevens|Trask|Ulam".Split('|');
static KeyValuePair<string, string[]>[] _countries = "China-Beijing,Chongqing,Shanghai,Tianjin,Hong Kong,Macau,Anqing,Bengbu,Bozhou,Chaohu|India-New Delhi,Mumbai,Delhi,Bangalore,Hyderabad,Ahmedabad,Chennai,Kolkata,Surat,Pune|United States-Washington,New York,Los Angeles,Chicago,Houston,Philadelphia,Phoenix,San Antonio,San Diego,Dallas|Indonesia-Jakarta,Surabaya,Bandung,Bekasi,Medan,Tangerang,Depok,Semarang,Palembang,South Tangerang|Brazil-Brasilia,San Pablo,Rio de Janeiro,Salvador,Fortaleza,Belo Horizonte,Manaus,Curitiba,Recife,Porto Alegre|Pakistan-Islamabad,Karachi,Lahore,Faisalabad,Rawalpindi,Gujranwala,Multan,Hyderabad,Peshawar,Quetta|Russia-Moscow,Saint Petersburg,Novosibirsk,Yekaterinburg,Nizhny Novgorod,Kazan,Chelyabinsk,Samara,Omsk,Rostov-na-Donu|Japan-Tokio,Yokohama,Ōsaka,Nagoya,Sapporo,Kōbe,Kyōto,Fukuoka,Kawasaki,Saitama|Mexico-Mexico City,Guadalajara,Monterrey,Puebla,Toluca,Tijuana,León,Juárez,Torreón,Querétaro".Split('|').Select(str => new KeyValuePair<string, string[]>(str.Split('-').First(), str.Split('-').Skip(1).First().Split(','))).ToArray();
static string[] _emailServers = "gmail|yahoo|outlook|aol".Split('|');
static string[] _streetNames = "Main|Broad|Grand|Panoramic|Green|Golden|Park|Fake".Split('|');
static string[] _streetTypes = "ST|AVE|BLVD".Split('|');
static string[] _streetOrientation = "S|N|W|E|SE|SW|NE|NW".Split('|');
//initialization
public Customer()
{
}
public Customer(int id)
{
Id = id;
FirstName = GetRandomString(_firstNames);
LastName = GetRandomString(_lastNames);
Address = GetRandomAddress();
CountryId = _rnd.Next() % _countries.Length;
var cities = _countries[CountryId].Value;
City = GetRandomString(cities);
PostalCode = _rnd.Next(10000, 99999).ToString();
Email = string.Format("{0}@{1}.com", (FirstName + LastName.Substring(0, 1)).ToLower(), GetRandomString(_emailServers));
LastOrderDate = DateTime.Today.AddDays(-_rnd.Next(1, 365)).AddHours(_rnd.Next(0, 24)).AddMinutes(_rnd.Next(0, 60));
OrderCount = _rnd.Next(0, 100);
OrderTotal = Math.Round(_rnd.NextDouble() * 10000.00, 2);
Active = _rnd.NextDouble() >= .5;
}
//object model
[Display(AutoGenerateField = false)]
[JsonIgnore]
public int Id
{
get { return _id; }
set
{
if (value != _id)
{
_id = value;
OnPropertyChanged();
}
}
}
public string FirstName
{
get { return _first; }
set
{
if (value != _first)
{
_first = value;
OnPropertyChanged();
OnPropertyChanged("Name");
}
}
}
public string LastName
{
get { return _last; }
set
{
if (value != _last)
{
_last = value;
OnPropertyChanged();
OnPropertyChanged("Name");
}
}
}
public string Address
{
get { return _address; }
set
{
if (value != _address)
{
_address = value;
OnPropertyChanged();
}
}
}
public string City
{
get { return _city; }
set
{
if (value != _city)
{
_city = value;
OnPropertyChanged();
}
}
}
[Display(AutoGenerateField = false)]
[JsonIgnore]
public int CountryId
{
get { return _countryId; }
set
{
if (value != _countryId && value > -1 && value < _countries.Length)
{
_countryId = value;
//_city = _countries[_countryId].Value.First();
OnPropertyChanged();
OnPropertyChanged("Country");
OnPropertyChanged("City");
}
}
}
public string PostalCode
{
get { return _postalCode; }
set
{
if (value != _postalCode)
{
_postalCode = value;
OnPropertyChanged();
}
}
}
[Display(Name = "e-mail")]
public string Email
{
get { return _email; }
set
{
if (value != _email)
{
_email = value;
OnPropertyChanged();
}
}
}
[Display(AutoGenerateField = false)]
[JsonIgnore]
public DateTime LastOrderDate
{
get { return _lastOrderDate; }
set
{
if (value != _lastOrderDate)
{
_lastOrderDate = value;
OnPropertyChanged();
}
}
}
[Display(AutoGenerateField = false)]
[JsonIgnore]
public TimeSpan LastOrderTime
{
get
{
return LastOrderDate.TimeOfDay;
}
}
[Display(AutoGenerateField = false)]
[JsonIgnore]
public int OrderCount
{
get { return _orderCount; }
set
{
if (value != _orderCount)
{
_orderCount = value;
OnPropertyChanged();
}
}
}
[Display(AutoGenerateField = false)]
[JsonIgnore]
public double OrderTotal
{
get { return _orderTotal; }
set
{
if (value != _orderTotal)
{
_orderTotal = value;
OnPropertyChanged();
}
}
}
[Display(AutoGenerateField = false)]
[JsonIgnore]
public bool Active
{
get { return _active; }
set
{
if (value != _active)
{
_active = value;
OnPropertyChanged();
}
}
}
[Display(AutoGenerateField = false)]
[JsonIgnore]
public string Name
{
get { return string.Format("{0} {1}", FirstName, LastName); }
}
[Display(AutoGenerateField = false)]
[JsonIgnore]
public string Country
{
get { return _countries[_countryId].Key; }
}
[Display(AutoGenerateField = false)]
[JsonIgnore]
public double OrderAverage
{
get { return OrderTotal / (double)OrderCount; }
}
//implementation
// ** utilities
static string GetRandomString(string[] arr)
{
return arr[_rnd.Next(arr.Length)];
}
static string GetName()
{
return string.Format("{0} {1}", GetRandomString(_firstNames), GetRandomString(_lastNames));
}
// ** static list provider
public static ObservableCollection<Customer> GetCustomerList(int count)
{
var list = new ObservableCollection<Customer>();
for (int i = 0; i < count; i++)
{
list.Add(new Customer(i));
}
return list;
}
private static string GetRandomAddress()
{
if (_rnd.NextDouble() > 0.9)
return string.Format("{0} {1} {2} {3}", _rnd.Next(1, 999), GetRandomString(_streetNames), GetRandomString(_streetTypes), GetRandomString(_streetOrientation));
else
return string.Format("{0} {1} {2}", _rnd.Next(1, 999), GetRandomString(_streetNames), GetRandomString(_streetTypes));
}
// ** static value providers
public static KeyValuePair<int, string>[] GetCountries() { return _countries.Select((p, index) => new KeyValuePair<int, string>(index, p.Key)).ToArray(); }
public static string[] GetFirstNames() { return _firstNames; }
public static string[] GetLastNames() { return _lastNames; }
//INotifyPropertyChanged Members
// this interface allows bounds controls to react to changes in the data objects.
public event PropertyChangedEventHandler PropertyChanged;
private void OnPropertyChanged([CallerMemberName] string propertyName = "")
{
OnPropertyChanged(new PropertyChangedEventArgs(propertyName));
}
protected void OnPropertyChanged(PropertyChangedEventArgs e)
{
if (PropertyChanged != null)
PropertyChanged(this, e);
}
//IEditableObject Members
// this interface allows transacted edits (user can press escape to restore previous values).
Customer _clone;
public void BeginEdit()
{
_clone = (Customer)MemberwiseClone();
}
public void EndEdit()
{
_clone = null;
}
public void CancelEdit()
{
if (_clone != null)
{
foreach (var p in GetType().GetProperties())
{
if (p.CanRead && p.CanWrite)
{
p.SetValue(this, p.GetValue(_clone, null), null);
}
}
}
}
public static IEnumerable<City> GetCities()
{
return _countries.SelectMany(country => country.Value, (pair, city) => new City() { Name = city, Country = pair.Key });
}
}
public class City
{
[Display(AutoGenerateField = false)]
public bool Selected { get; set; }
public string Name { get; set; }
public string Country { get; set; }
}