JavaSwing组件定制RadioButton示例
本文实例讲述了Java Swing组件定制RadioButton。分享给大家供大家参考，具体如下：
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先来看看效果图：
具体代码如下：
package themedemo;
import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.GridLayout;
import java.awt.RenderingHints;
import java.util.Map;
import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.Painter;
import javax.swing.SwingUtilities;
import javax.swing.UIDefaults;
import javax.swing.UIManager;
import javax.swing.WindowConstants;
public class RadioButtonSkinDemo {
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
for (UIManager.LookAndFeelInfo laf : UIManager
.getInstalledLookAndFeels()) {
if ("Nimbus".equals(laf.getName())) {
try {
UIManager.setLookAndFeel(laf.getClassName());
} catch (Exception e) {
e.printStackTrace();
}
}
}
for (Map.Entry entry : UIManager
.getLookAndFeelDefaults().entrySet()) {
if ((entry.getKey().toString()).startsWith("RadioButton")) {
System.out.println(entry.getKey() + " = "
+ entry.getValue());
}
}
JFrame frame = new JFrame(
"www.jb51.net - RadioButton Skining Demo");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.getContentPane().setLayout(new BorderLayout());
JPanel panel = new JPanel(new GridLayout(0, 1, 20, 20));
panel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
panel.setBackground(Color.darkGray);
UIDefaults radioButtonDefaults = new UIDefaults();
radioButtonDefaults.put("RadioButton.iconPainter",
new Painter() {
public void paint(Graphics2D g, JComponent c,
int w, int h) {
g.setRenderingHint(
RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g.setStroke(new BasicStroke(2f));
g.setColor(Color.WHITE);
g.fillOval(1, 1, w - 4, h - 4);
g.setColor(Color.LIGHT_GRAY);
g.drawOval(1, 1, w - 4, h - 4);
}
});
radioButtonDefaults.put("RadioButton[Selected].iconPainter",
new Painter() {
public void paint(Graphics2D g, JComponent c,
int w, int h) {
g.setRenderingHint(
RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g.setStroke(new BasicStroke(2f));
g.setColor(Color.WHITE);
g.fillOval(1, 1, w - 4, h - 4);
g.setColor(Color.DARK_GRAY);
g.fillOval(5, 5, w - 11, h - 11);
g.setColor(Color.LIGHT_GRAY);
g.drawOval(1, 1, w - 4, h - 4);
}
});
JRadioButton radioButton = new JRadioButton("myRadioButton");
panel.add(radioButton);
radioButton.putClientProperty("Nimbus.Overrides",
radioButtonDefaults);
radioButton.putClientProperty(
"Nimbus.Overrides.InheritDefaults", false);
// Add a normal themed slider for comparison
JRadioButton normalRadionButton = new JRadioButton(
"normalRadionButton");
panel.add(normalRadionButton);
frame.getContentPane().add(panel, BorderLayout.CENTER);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
});
}
}
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