001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2012 GRANITE DATA SERVICES S.A.S.
004    
005      This file is part of Granite Data Services.
006    
007      Granite Data Services is free software; you can redistribute it and/or modify
008      it under the terms of the GNU Library General Public License as published by
009      the Free Software Foundation; either version 2 of the License, or (at your
010      option) any later version.
011    
012      Granite Data Services is distributed in the hope that it will be useful, but
013      WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014      FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Library General Public License
018      along with this library; if not, see <http://www.gnu.org/licenses/>.
019    */
020    
021    package org.granite.client.persistence.javafx;
022    
023    import org.granite.client.persistence.LazyableCollection;
024    
025    import javafx.collections.MapChangeListener;
026    import javafx.collections.ObservableMap;
027    
028    /**
029     * @author William DRAI
030     */
031    public class MapChangeListenerWrapper<K, V> implements MapChangeListener<K, V> {
032        private final ObservableMap<K, V> wrappedMap;
033        private final MapChangeListener<K, V> wrappedListener;
034        
035        public MapChangeListenerWrapper(ObservableMap<K, V> wrappedMap, MapChangeListener<K, V> wrappedListener) {
036            this.wrappedMap = wrappedMap;
037            this.wrappedListener = wrappedListener;
038        }
039        
040        @Override
041        public void onChanged(MapChangeListener.Change<? extends K, ? extends V> change) {
042            if (!((LazyableCollection)wrappedMap).isInitialized())
043                return;
044            MapChangeListener.Change<K, V> wrappedChange = new MapChangeWrapper<K, V>(wrappedMap, change);
045            wrappedListener.onChanged(wrappedChange);
046        }        
047    }