Club.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ComponentModel;
using System.Collections.ObjectModel;

namespace SortDistinctValues
{
    /// <summary>
    /// A football club.
    /// </summary>
    public class Club : INotifyPropertyChanged
    {
        public event PropertyChangedEventHandler PropertyChanged;

        private string name;
        private DateTime established;
        private int stadiumCapacity;
        private ObservableCollection<Player> players;

        public string Name
        {
            get { return this.name; }
            set
            {
                if (value != this.name)
                {
                    this.name = value;
                    this.OnPropertyChanged("Name");
                }
            }
        }

        public DateTime Established
        {
            get { return this.established; }
            set
            {
                if (value != this.established)
                {
                    this.established = value;
                    this.OnPropertyChanged("Established");
                }
            }
        }

        public int StadiumCapacity
        {
            get { return this.stadiumCapacity; }
            set
            {
                if (value != this.stadiumCapacity)
                {
                    this.stadiumCapacity = value;
                    this.OnPropertyChanged("StadiumCapacity");
                }
            }
        }

        public ObservableCollection<Player> Players
        {
            get
            {
                if (null == this.players)
                {
                    this.players = new ObservableCollection<Player>();
                }

                return this.players;
            }
        }

        public Club()
        {

        }

        public Club(string name, DateTime established, int stadiumCapacity)
        {
            this.name = name;
            this.established = established;
            this.stadiumCapacity = stadiumCapacity;
        }

        public Club(string name, DateTime established, int stadiumCapacity, ObservableCollection<Player> players)
            : this(name, established, stadiumCapacity)
        {
            this.players = players;
        }

        protected virtual void OnPropertyChanged(PropertyChangedEventArgs args)
        {
            PropertyChangedEventHandler handler = this.PropertyChanged;
            if (handler != null)
            {
                handler(this, args);
            }
        }

        private void OnPropertyChanged(string propertyName)
        {
            this.OnPropertyChanged(new PropertyChangedEventArgs(propertyName));
        }

        public override string ToString()
        {
            return this.Name;
        }

        public static ObservableCollection<Club> GetClubs()
        {
            ObservableCollection<Club> clubs = new ObservableCollection<Club>();
            Club club;

            // Liverpool
            club = new Club("Liverpool", new DateTime(1892, 1, 1), 45362);
            club.Players.Add(new Player("Pepe Reina", 25, Position.GK, "CH"));
            club.Players.Add(new Player("Jamie Carragher", 23, Position.DF, "CH"));
            club.Players.Add(new Player("Steven Gerrard", 8, Position.MF, "CH"));
            club.Players.Add(new Player("Fernando Torres", 9, Position.FW, "CH"));
            clubs.Add(club);

            // Manchester Utd.
            club = new Club("Manchester Utd.", new DateTime(1878, 1, 1), 76212);
            club.Players.Add(new Player("Edwin van der Sar", 1, Position.GK, "DZ"));
            club.Players.Add(new Player("Rio Ferdinand", 5, Position.DF, "DZ"));
            club.Players.Add(new Player("Ryan Giggs", 11, Position.MF, "DZ"));
            club.Players.Add(new Player("Wayne Rooney", 10, Position.FW, "DZ"));
            clubs.Add(club);

            // Chelsea
            club = new Club("Chelsea", new DateTime(1905, 1, 1), 42055);
            club.Players.Add(new Player("Petr Čech", 1, Position.GK, "CH"));
            club.Players.Add(new Player("John Terry", 26, Position.DF, "CH"));
            club.Players.Add(new Player("Frank Lampard", 8, Position.MF, "CH"));
            club.Players.Add(new Player("Nicolas Anelka", 39, Position.FW, "CH"));
            clubs.Add(club);

            // Arsenal
            club = new Club("Arsenal", new DateTime(1886, 1, 1), 60355);
            club.Players.Add(new Player("Manuel Almunia", 1, Position.GK, "DZ"));
            club.Players.Add(new Player("Gaël Clichy", 22, Position.DF, "DZ"));
            club.Players.Add(new Player("Cesc Fàbregas", 4, Position.MF, "DZ"));
            club.Players.Add(new Player("Robin van Persie", 11, Position.FW, "DZ"));
            clubs.Add(club);

            return clubs;
        }
    }
}