public NewGameViewModel()
{
Players = new ObservableCollectionExtended <string>();
var canStart = Players.ToObservableChangeSet().CountChanged().Select(_ => Players.Count >= 3);
StartGame = ReactiveCommand.Create(() => { }, canStart);
RandomizeOrder = ReactiveCommand.Create(
() =>
{
using (Players.SuspendNotifications())
{
var r = new Random();
var newOrder = Players.OrderBy(x => r.NextDouble()).ToList();
Players.Clear();
Players.AddRange(newOrder);
}
},
canStart);
RemovePlayer = ReactiveCommand.Create <string>(player => Players.Remove(player));
var canAddPlayer = this.WhenAnyValue(
x => x.Players.Count,
x => x.NewPlayerName,
(count, newPlayerName) => count < 7 && !string.IsNullOrWhiteSpace(newPlayerName) && !Players.Contains(newPlayerName));
AddPlayer = ReactiveCommand.Create(
() =>
{
Players.Add(NewPlayerName.Trim());
NewPlayerName = string.Empty;
},
canAddPlayer);
}
public void AddPlayer(Func <bool> AddToCurrentRound, Action <string> ErrorAction)
{
if (NewPlayerName.Trim() == string.Empty)
{
ErrorAction("Enter a player's name");
return;
}
else if (Players.PlayerExists(NewPlayerName))
{
ErrorAction("Player already exists");
return;
}
var player = Players.NewPlayer(NewPlayerName, NewPlayerGender, NewPlayerSkill.Name);
if (Tournament.Rounds.Count > 0 && AddToCurrentRound())
{
Tournament.AddPlayerToLastRound(player);
}
ResetNewPlayerSection();
}