001/*
002 *                    BioJava development code
003 *
004 * This code may be freely distributed and modified under the
005 * terms of the GNU Lesser General Public Licence.  This should
006 * be distributed with the code.  If you do not have a copy,
007 * see:
008 *
009 *      http://www.gnu.org/copyleft/lesser.html
010 *
011 * Copyright for this code is held jointly by the individual
012 * authors.  These should be listed in @author doc comments.
013 *
014 * For more information on the BioJava project and its aims,
015 * or to join the biojava-l mailing list, visit the home page
016 * at:
017 *
018 *      http://www.biojava.org/
019 *
020 */
021package org.biojava.bio.gui.sequence;
022
023import java.util.ArrayList;
024import java.util.Iterator;
025import java.util.List;
026
027/**
028 * @author Matthew Pocock
029 */
030public class SequenceViewerSupport {
031  private List listeners = new ArrayList();
032  
033  public void addSequenceViewerListener(SequenceViewerListener svl) {
034    synchronized(listeners) {
035      listeners.add(svl);
036    }
037  }
038  
039  public void removeSequenceViewerListener(SequenceViewerListener svl) {
040    synchronized(listeners) {
041      listeners.remove(svl);
042    }
043  }
044  
045  public void fireMouseClicked(SequenceViewerEvent sve) {
046    List l;
047    synchronized(listeners) {
048      l = new ArrayList(listeners);
049    }
050    for(Iterator i = l.iterator(); i.hasNext(); ) {
051      SequenceViewerListener svl = (SequenceViewerListener) i.next();
052      svl.mouseClicked(sve);
053    }
054  }
055  
056  public void fireMousePressed(SequenceViewerEvent sve) {
057    List l;
058    synchronized(listeners) {
059      l = new ArrayList(listeners);
060    }
061    for(Iterator i = l.iterator(); i.hasNext(); ) {
062      SequenceViewerListener svl = (SequenceViewerListener) i.next();
063      svl.mousePressed(sve);
064    }
065  }
066  
067  public void fireMouseReleased(SequenceViewerEvent sve) {
068    List l;
069    synchronized(listeners) {
070      l = new ArrayList(listeners);
071    }
072    for(Iterator i = l.iterator(); i.hasNext(); ) {
073      SequenceViewerListener svl = (SequenceViewerListener) i.next();
074      svl.mouseReleased(sve);
075    }
076  }
077}