/*
* org.openmicroscopy.shoola.agents.imviewer.actions.ChannelMovieAction
*
*------------------------------------------------------------------------------
* 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.actions;
//Java imports
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.event.ChangeEvent;
//Third-party libraries
//Application-internal dependencies
import org.openmicroscopy.shoola.agents.imviewer.IconManager;
import org.openmicroscopy.shoola.agents.imviewer.view.ImViewer;
import org.openmicroscopy.shoola.util.ui.UIUtilities;
/**
* Plays 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 ChannelMovieAction
extends ViewerAction
implements PropertyChangeListener
{
/** The description of the action. */
private static final String DESCRIPTION = "Play movie across channels.";
/** Helper reference to the icon manager. */
private IconManager icons;
/** Flag to indicate that we play a movie across channels. */
private boolean play;
/**
* Overridden to make sure that the movie player is not enabled when
* there is only one channel.
* @see ViewerAction#onStateChange(ChangeEvent)
*/
protected void onStateChange(ChangeEvent e)
{
int state = model.getState();
switch (state) {
case ImViewer.DISCARDED:
case ImViewer.NEW:
setEnabled(false);
return;
case ImViewer.CHANNEL_MOVIE:
setEnabled(!model.isBigImage());
return;
}
if (model.isBigImage()) {
setEnabled(false);
return;
}
if (play) {
if (model.getActiveChannels().size() > 1)
setEnabled(true);
} else {
if (state == ImViewer.READY)
setEnabled((model.getActiveChannels().size() > 1));
}
}
/**
* Creates a new instance.
*
* @param model Reference to the model. Mustn't be <code>null</code>.
*/
public ChannelMovieAction(ImViewer model)
{
super(model);
icons = IconManager.getInstance();
putValue(Action.SHORT_DESCRIPTION,
UIUtilities.formatToolTipText(DESCRIPTION));
putValue(Action.SMALL_ICON, icons.getIcon(IconManager.PLAY));
model.addPropertyChangeListener(ImViewer.CHANNEL_ACTIVE_PROPERTY, this);
}
/**
* Plays movie across channels.
* @see java.awt.event.ActionListener#actionPerformed(ActionEvent)
*/
public void actionPerformed(ActionEvent e)
{
Icon icon = (Icon) getValue(Action.SMALL_ICON);
play = false;
if (icon.toString().equals(
icons.getIcon(IconManager.PLAY).toString())) {
putValue(Action.SMALL_ICON, icons.getIcon(IconManager.PAUSE));
play = true;
} else {
putValue(Action.SMALL_ICON, icons.getIcon(IconManager.PLAY));
}
model.playChannelMovie(play);
}
/**
* Reacts to propertyChange fired by the {@link ImViewer}.
*
* @param evt The event to handle.
*/
public void propertyChange(PropertyChangeEvent evt)
{
if (evt.getPropertyName().equals(ImViewer.CHANNEL_ACTIVE_PROPERTY)) {
if (!play) {
if (model.getState() == ImViewer.READY)
setEnabled(model.getActiveChannels().size() > 1);
}
}
}
}