001/*
002 * Copyright 2010-2015 Institut Pasteur.
003 * 
004 * This file is part of Icy.
005 * 
006 * Icy is free software: you can redistribute it and/or modify
007 * it under the terms of the GNU General Public License as published by
008 * the Free Software Foundation, either version 3 of the License, or
009 * (at your option) any later version.
010 * 
011 * Icy is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
014 * GNU General Public License for more details.
015 * 
016 * You should have received a copy of the GNU General Public License
017 * along with Icy. If not, see <http://www.gnu.org/licenses/>.
018 */
019package icy.sequence;
020
021import java.util.ArrayList;
022import java.util.List;
023
024/**
025 * @author Stephane
026 */
027public abstract class AbstractSequenceModel implements SequenceModel
028{
029    private final List<SequenceModelListener> listeners;
030
031    public AbstractSequenceModel()
032    {
033        super();
034
035        listeners = new ArrayList<SequenceModelListener>();
036    }
037
038    /**
039     * fire model image changed event
040     */
041    @Override
042    public void fireModelImageChangedEvent()
043    {
044        for (SequenceModelListener listener : new ArrayList<SequenceModelListener>(listeners))
045            listener.imageChanged();
046    }
047
048    /**
049     * fire model dimension changed event
050     */
051    @Override
052    public void fireModelDimensionChangedEvent()
053    {
054        for (SequenceModelListener listener : new ArrayList<SequenceModelListener>(listeners))
055            listener.dimensionChanged();
056    }
057
058    @Override
059    public void addSequenceModelListener(SequenceModelListener listener)
060    {
061        synchronized (listeners)
062        {
063            listeners.add(listener);
064        }
065    }
066
067    @Override
068    public void removeSequenceModelListener(SequenceModelListener listener)
069    {
070        synchronized (listeners)
071        {
072            listeners.remove(listener);
073        }
074    }
075}