/**
* Copyright (C) 2002-2012 The FreeCol Team
*
* This file is part of FreeCol.
*
* FreeCol 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.
*
* FreeCol 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 FreeCol. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.freecol.client.gui.plaf;
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Composite;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.MouseInfo;
import java.awt.Point;
import javax.swing.AbstractButton;
import javax.swing.JComponent;
import javax.swing.SwingUtilities;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.metal.MetalButtonUI;
import net.sf.freecol.client.gui.ImageLibrary;
/**
* Sets the default opaque attribute to <i>false</i> and
* uses a 10% black shading on the {@link #paintButtonPressed}.
*/
public class FreeColButtonUI extends MetalButtonUI {
private static FreeColButtonUI sharedInstance = new FreeColButtonUI();
public static ComponentUI createUI(JComponent c) {
return sharedInstance;
}
public void installUI(JComponent c) {
super.installUI(c);
c.setOpaque(false);
}
public void paint(Graphics g, JComponent c) {
LAFUtilities.setProperties(g, c);
if (c.isOpaque()) {
ImageLibrary.drawTiledImage("background.FreeColButton", g, c, null);
}
super.paint(g, c);
AbstractButton a = (AbstractButton) c;
if (a.isRolloverEnabled()) {
Point p = MouseInfo.getPointerInfo().getLocation();
SwingUtilities.convertPointFromScreen(p, c);
boolean rollover = c.contains(p);
if (rollover) {
paintButtonPressed(g, (AbstractButton) c);
}
}
}
protected void paintButtonPressed(Graphics g, AbstractButton c) {
if (c.isContentAreaFilled()) {
Graphics2D g2d = (Graphics2D) g;
Dimension size = c.getSize();
Composite oldComposite = g2d.getComposite();
Color oldColor = g2d.getColor();
g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.1f));
g2d.setColor(Color.BLACK);
g2d.fillRect(0, 0, size.width, size.height);
g2d.setComposite(oldComposite);
g2d.setColor(oldColor);
}
}
}