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:
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<Object,Object> 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)); panel.setBackground(Color.darkGray); UIDefaults radioButtonDefaults = new UIDefaults(); radioButtonDefaults.put("RadioButton.iconPainter",new Painter<JComponent>() { 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,w - 4,h - 4); g.setColor(Color.LIGHT_GRAY); g.drawoval(1,h - 4); } }); radioButtonDefaults.put("RadioButton[Selected].iconPainter",h - 4); g.setColor(Color.DARK_GRAY); g.filloval(5,5,w - 11,h - 11); g.setColor(Color.LIGHT_GRAY); g.drawoval(1,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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