1 package org.hedgewars.hedgeroid.netplay;

     2 

     3 import java.util.ArrayList;

     4 import java.util.Collections;

     5 import java.util.Comparator;

     6 import java.util.List;

     7 

     8 import org.hedgewars.hedgeroid.R;

     9 

    10 import android.content.Context;

    11 import android.database.DataSetObserver;

    12 import android.util.Pair;

    13 import android.view.LayoutInflater;

    14 import android.view.View;

    15 import android.view.ViewGroup;

    16 import android.widget.BaseAdapter;

    17 import android.widget.TextView;

    18 

    19 public class PlayerlistAdapter extends BaseAdapter {

    20 	private List<Pair<Player, Long>> players = new ArrayList<Pair<Player, Long>>();

    21 	private Context context;

    22 	private Playerlist playerlist;

    23 	

    24 	private DataSetObserver observer = new DataSetObserver() {

    25 		@Override

    26 		public void onChanged() {

    27 			reloadFromList(playerlist);

    28 		}

    29 		

    30 		@Override

    31 		public void onInvalidated() {

    32 			invalidate();

    33 		}

    34 	};

    35 	

    36 	public PlayerlistAdapter(Context context) {

    37 		this.context = context;

    38 	}

    39 	

    40 	public int getCount() {

    41 		return players.size();

    42 	}

    43 

    44 	public Player getItem(int position) {

    45 		return players.get(position).first;

    46 	}

    47 

    48 	public long getItemId(int position) {

    49 		return players.get(position).second;

    50 	}

    51 

    52 	public boolean hasStableIds() {

    53 		return true;

    54 	}

    55 	

    56 	public void setList(Playerlist playerlist) {

    57 		if(this.playerlist != null) {

    58 			this.playerlist.unregisterObserver(observer);

    59 		}

    60 		this.playerlist = playerlist;

    61 		this.playerlist.registerObserver(observer);

    62 		reloadFromList(playerlist);

    63 	}

    64 	

    65 	public void invalidate() {

    66 		if(playerlist != null) {

    67 			playerlist.unregisterObserver(observer);

    68 		}

    69 		playerlist = null;

    70 		notifyDataSetInvalidated();

    71 	}

    72 	

    73 	private void reloadFromList(Playerlist list) {

    74 		players = new ArrayList<Pair<Player, Long>>(list.getMap().values());

    75 		Collections.sort(players, AlphabeticalOrderComparator.INSTANCE);

    76 		notifyDataSetChanged();

    77 	}

    78 	

    79 	public View getView(int position, View convertView, ViewGroup parent) {

    80 		View v = convertView;

    81 		if (v == null) {

    82 			LayoutInflater vi = LayoutInflater.from(context);

    83 			v = vi.inflate(R.layout.listview_player, null);

    84 		}

    85 

    86 		String player = players.get(position).first.name;

    87 		TextView username = (TextView) v.findViewById(android.R.id.text1);

    88 		username.setText(player);

    89 		return v;

    90 	}

    91 	

    92 	private static final class AlphabeticalOrderComparator implements Comparator<Pair<Player, Long>> {

    93 		public static final AlphabeticalOrderComparator INSTANCE = new AlphabeticalOrderComparator();

    94 		public int compare(Pair<Player, Long> lhs, Pair<Player, Long> rhs) {

    95 			return lhs.first.name.compareToIgnoreCase(rhs.first.name);

    96 		};

    97 	}

    98 }