/*
* org.openmicroscopy.shoola.agents.imviewer.util.player.ChannelPlayer
*
*------------------------------------------------------------------------------
* Copyright (C) 2006 University of Dundee. All rights reserved.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* 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.
*
* 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.openmicroscopy.shoola.agents.imviewer.util.player;
//Java imports
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.List;
//Third-party libraries
//Application-internal dependencies
import org.openmicroscopy.shoola.agents.imviewer.view.ImViewer;
/**
* Basic timer to play a movie across channels.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author Andrea Falconi
* <a href="mailto:a.falconi@dundee.ac.uk">a.falconi@dundee.ac.uk</a>
* @author Donald MacDonald
* <a href="mailto:donald@lifesci.dundee.ac.uk">donald@lifesci.dundee.ac.uk</a>
* @version 3.0
* <small>
* (<b>Internal version:</b> $Revision: $ $Date: $)
* </small>
* @since OME2.2
*/
public class ChannelPlayer
extends Player
{
/** The index of the channel. */
private int index;
/** The list of active channels. */
private List activeChannels;
/** The index of the played channel. */
private int n;
/**
* Creates a new instance.
*
* @param model Reference to the {@link ImViewer}.
* Mustn't be <code>null</code>.
*/
public ChannelPlayer(ImViewer model)
{
super(model);
activeChannels = model.getActiveChannels();
n = 0;
if (activeChannels != null && activeChannels.size() > 0)
index = ((Integer) activeChannels.get(n)).intValue();
}
/**
* Returns the list of channels used to play this movie.
*
* @return See above.
*/
public List getChannels() { return activeChannels; }
/** Starts or stops the timer depending on the state. */
protected void onPlayerStateChange()
{
switch (state) {
case START:
timer.start();
break;
case STOP:
timer.stop();
break;
}
}
/**
* Reacts to action event fired by the timer.
* @see ActionListener#actionPerformed(ActionEvent)
*/
public void actionPerformed(ActionEvent e)
{
if (activeChannels == null || activeChannels.size() == 0) return;
try {
for (int j = 0; j < model.getMaxC(); j++)
model.setChannelActive(j, j == index);
model.displayChannelMovie();
n++;
if (n == activeChannels.size()) n = 0;
index = ((Integer) activeChannels.get(n)).intValue();
} catch (Exception ex) {
//Timer invoked the method when the viewer is getting discarded.
}
}
}