DeathBook/Assets/Scripts/PersonDetailsPanel.cs

using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using DeathBook.Model;

public class PersonDetailsPanel : MonoBehaviour, IObserver
{
    public Image ProfilePicture;
    public Text Name;
    public GameObject FriendsPanel;
    public Button KillButton;
    public Button WatchButton;
    public Button XButton;

    private Person _model;

    public void SetModel(Person model)
    {
        if (_model != null)
        {
            _model.UnSubscribe(this);
        }

        _model = model;

        _model.Subscribe(this);

        UpdateInfo();
    }

    public void Notify()
    {
        UpdateInfo();
    }

    private void UpdateInfo()
    {
        Name.text = _model.Name;

        for (int i = 0; i < _model.FriendList.Count; i++)
        {
            // Temporary, until the model changes
            Person friend = _model.FriendList[i].friend1 == _model ? _model.FriendList[i].friend2 : _model.FriendList[i].friend1;
        }
    }
}