1 package org.hedgewars.hedgeroid.netplay; |
1 package org.hedgewars.hedgeroid.netplay; |
2 |
2 |
3 import java.util.Collections; |
3 public class PlayerList extends ObservableLinkedHashMap<String, Player> { |
4 import java.util.Iterator; |
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5 import java.util.LinkedList; |
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6 import java.util.List; |
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7 |
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8 public class PlayerList { |
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9 private List<Player> list = new LinkedList<Player>(); |
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10 private List<Observer> observers = new LinkedList<Observer>(); |
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11 private long nextId = 1; |
4 private long nextId = 1; |
12 |
5 |
13 public List<Player> getList() { |
6 public void addPlayerWithNewId(String name) { |
14 return Collections.unmodifiableList(list); |
7 Player p = new Player(name, nextId++); |
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8 put(name, p); |
15 } |
9 } |
16 |
10 |
17 public void observePlayerList(Observer plo) { |
11 public interface Observer extends ObservableLinkedHashMap.Observer<String, Player> {} |
18 observers.add(plo); |
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19 } |
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20 |
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21 public void unobservePlayerList(Observer plo) { |
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22 observers.remove(plo); |
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23 } |
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24 |
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25 void addPlayer(String name) { |
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26 Player p = new Player(name, nextId++); |
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27 list.add(p); |
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28 List<Player> unmodifiableList = Collections.unmodifiableList(list); |
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29 for(Observer o : observers) { |
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30 o.itemAdded(unmodifiableList, p); |
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31 } |
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32 } |
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33 |
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34 void removePlayer(String name) { |
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35 for(Iterator<Player> iter = list.iterator(); iter.hasNext();) { |
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36 Player p = iter.next(); |
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37 if(name.equals(p.name)) { |
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38 iter.remove(); |
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39 List<Player> unmodifiableList = Collections.unmodifiableList(list); |
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40 for(Observer o : observers) { |
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41 o.itemDeleted(unmodifiableList, p); |
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42 } |
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43 } |
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44 } |
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45 } |
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46 |
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47 public static interface Observer { |
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48 void itemAdded(List<Player> newList, Player added); |
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49 void itemDeleted(List<Player> newList, Player deleted); |
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50 } |
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51 } |
12 } |