/*
* Copyright (c) 2010-2012 Célio Cidral Junior.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.tomighty.ui.swing.laf;
import static java.awt.RenderingHints.KEY_ANTIALIASING;
import static java.awt.RenderingHints.VALUE_ANTIALIAS_ON;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import javax.swing.AbstractButton;
import javax.swing.ButtonModel;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.UIManager;
import javax.swing.plaf.ButtonUI;
import javax.swing.plaf.basic.BasicButtonUI;
public class SexyButtonUI extends BasicButtonUI {
public static final ButtonUI INSTANCE = new SexyButtonUI();
private static final Font FONT = UIManager.getFont("Button.font").deriveFont(11f);
private static final Color BG_LIGHT = new Color(230, 230, 230);
private static final Color BG_DARK = new Color(150, 150, 150);
private static final Color TEXT_LIGHT = new Color(210, 210, 210);
private static final Color TEXT_DARK = new Color(40, 40, 40);
private static final Color BORDER_COLOR = new Color(60, 60, 60);
@Override
public void installUI(JComponent component) {
super.installUI(component);
JButton button = (JButton)component;
button.setBorderPainted(false);
}
@Override
public void paint(Graphics g, JComponent c) {
AbstractButton button = (AbstractButton) c;
ButtonModel model = button.getModel();
Dimension size = button.getSize();
if (!model.isPressed() || !model.isArmed()) {
paintButtonUnpressed(g, size);
}
super.paint(g, button);
paintBorder(g, size);
}
@Override
protected void paintText(Graphics g, AbstractButton button, Rectangle textRect, String text) {
Graphics2D g2d = createGraphics(g);
try {
g2d.setFont(FONT);
FontMetrics metrics = g2d.getFontMetrics();
int width = metrics.stringWidth(text);
int descent = metrics.getDescent();
int x = button.getWidth() / 2 - width / 2 + 1;
int y = button.getHeight() / 2 + descent + 1;
g2d.setColor(TEXT_LIGHT);
g2d.drawString(text, ++x, ++y);
g2d.setColor(TEXT_DARK);
g2d.drawString(text, --x, --y);
} finally {
g2d.dispose();
}
}
@Override
protected void paintButtonPressed(Graphics g, AbstractButton b) {
paintButton(g, b.getSize(), BG_DARK, BG_LIGHT);
}
private void paintButtonUnpressed(Graphics g, Dimension size) {
paintButton(g, size, BG_LIGHT, BG_DARK);
}
private void paintButton(Graphics g, Dimension size, Color startColor, Color endColor) {
Graphics2D g2d = createGraphics(g);
try {
g2d.setPaint(new GradientPaint(0, 0, startColor, 0, size.height, endColor));
g2d.fillRoundRect(0, 0, size.width-1, size.height-1, 9, 9);
} finally {
g2d.dispose();
}
}
private void paintBorder(Graphics g, Dimension size) {
Graphics2D g2d = createGraphics(g);
try {
g2d.setStroke(new BasicStroke(2f));
g2d.setColor(BORDER_COLOR);
g2d.drawRoundRect(0, 0, size.width-1, size.height-1, 9, 9);
} finally {
g2d.dispose();
}
}
private Graphics2D createGraphics(Graphics g) {
Graphics2D g2d = (Graphics2D) g.create();
g2d.setRenderingHint(KEY_ANTIALIASING, VALUE_ANTIALIAS_ON);
return g2d;
}
}