/*
* org.openmicroscopy.shoola.agents.util.ui.RollOverThumbnailCanvas
*
*------------------------------------------------------------------------------
* Copyright (C) 2006-2008 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.util.ui;
//Java imports
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;
import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.border.BevelBorder;
//Third-party libraries
//Application-internal dependencies
import org.openmicroscopy.shoola.util.ui.UIUtilities;
/**
* Custom <code>JComponent</code> to paint the thumbnail.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@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 3.0-Beta3
*/
class RollOverThumbnailCanvas
extends JComponent
{
/** Reference to the model. */
private final RollOverThumbnail model;
/**
* Creates a new instance.
*
* @param md Reference to the model. Mustn't be <code>null</code>.
*/
RollOverThumbnailCanvas(RollOverThumbnail md)
{
if (md == null) throw new IllegalArgumentException("No model.");
this.model = md;
setOpaque(false);
setBorder(BorderFactory.createBevelBorder(
BevelBorder.LOWERED, UIUtilities.INNER_BORDER_HIGHLIGHT,
UIUtilities.INNER_BORDER_SHADOW));
addMouseWheelListener(new MouseWheelListener() {
public void mouseWheelMoved(MouseWheelEvent e) {
model.magnifyImage(e.getWheelRotation());
}
});
}
/**
* Overridden to paint the thumbnail.
* @see JComponent#paintComponent(Graphics)
*/
public void paintComponent(Graphics g)
{
Graphics2D g2D = (Graphics2D) g;
if (model.getImage() != null) {
Insets i = getInsets();
int x = i.left+1;
int y = i.top+1;
g2D.drawImage(model.getImage(), null, x, y);
}
}
}