sae201_qwirkle/Qwirkle/QwirkleViews/Views/Scoreboard.xaml.cs

using QwirkleClassLibrary.Players;
using QwirkleClassLibrary.Games;
using QwirkleClassLibrary.Boards;
using System.Collections.ObjectModel;
using System.ComponentModel;

namespace Qwirkle.Views;

public partial class Scoreboard : ContentView, INotifyPropertyChanged
{
    private Game game = ((App)Application.Current!).Game;

    private IOrderedEnumerable<KeyValuePair<string, int>> scoreboard;

    private ObservableCollection<KeyValuePair<string, int>> scoreboardList;
    public ObservableCollection<KeyValuePair<string, int>> ScoreboardList
    {
        get => scoreboardList;
        set
        {
            if (scoreboardList != value)
            {
                scoreboardList = value;
                OnPropertyChanged(nameof(ScoreboardList));
            }
        }
    }

    public Scoreboard()
    {
        InitializeComponent();
        BindingContext = this;

        scoreboard = game.ScoreBoard.OrderByDescending(x => x.Value).ThenBy(x => x.Key);
        ScoreboardList = new ObservableCollection<KeyValuePair<string, int>>(scoreboard);

        game.Board.PropertyChanged += Board_PropertyChanged;
    }

    private void Board_PropertyChanged(object? sender, System.ComponentModel.PropertyChangedEventArgs e)
    {
        scoreboard = game.ScoreBoard.OrderByDescending(x => x.Value).ThenBy(x => x.Key.NameTag);
        ScoreboardList = new ObservableCollection<KeyValuePair<string, int>>(scoreboard);
    }

    public event PropertyChangedEventHandler? PropertyChanged;

    protected void OnPropertyChanged(string propertyName)
    {
        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
    }
}