+
−/*
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− * Hedgewars for Android. An Android port of Hedgewars, a free turn based strategy game
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− * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
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− *
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− * This program is free software; you can redistribute it and/or
+
− * modify it under the terms of the GNU General Public License
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− * as published by the Free Software Foundation; either version 2
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− * of the License, or (at your option) any later version.
+
− *
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− * This program is distributed in the hope that it will be useful,
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− * but WITHOUT ANY WARRANTY; without even the implied warranty of
+
− * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+
− * GNU General Public License for more details.
+
− *
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− * You should have received a copy of the GNU General Public License
+
− * along with this program; if not, write to the Free Software
+
− * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
− */
+
−
+
−package org.hedgewars.hedgeroid.util;
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−
+
−import java.util.Collections;
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−import java.util.Map;
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−import java.util.TreeMap;
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−
+
−import android.database.DataSetObservable;
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−
+
−public class ObservableTreeMap<K,V> extends DataSetObservable {
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−    private final Map<K, V> map = new TreeMap<K, V>();
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−
+
−    public void replaceContent(Map<? extends K, ? extends V> newMap) {
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−        map.clear();
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−        map.putAll(newMap);
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−        notifyChanged();
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−    }
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−
+
−    public void put(K key, V value) {
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−        map.put(key, value);
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−        notifyChanged();
+
−    }
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−
+
−    public V get(K key) {
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−        return map.get(key);
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−    }
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−
+
−    public void remove(K key) {
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−        if(map.remove(key) != null) {
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−            notifyChanged();
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−        }
+
−    }
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−
+
−    public void clear() {
+
−        if(!map.isEmpty()) {
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−            map.clear();
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−            notifyChanged();
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−        }
+
−    }
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−
+
−    public Map<K, V> getMap() {
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−        return Collections.unmodifiableMap(map);
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−    }
+
−}