Java Swing实现的定制TextField功能示例

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.Insets;
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.JTextFIEld;
import javax.swing.Painter;
import javax.swing.SwingUtilitIEs;
import javax.swing.UIDefaults;
import javax.swing.UIManager;
import javax.swing.WindowConstants;
public class TextFIEldSkinDemo {
  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("TextFIEld")) {
            System.out.println(entry.getKey() + " = "
                + entry.getValue());
          }
        }
        JFrame frame = new JFrame("www.code.net - TextFIEld 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 textFIEldDefaults = new UIDefaults();
        textFIEldDefaults.put("TextFIEld.contentmargins",new Insets(6,6,6));
        textFIEldDefaults.put("TextFIEld[SELEcted].textForeground",color.WHITE);
        textFIEldDefaults.put("TextFIEld.BACkgroundPainter",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.fillRoundRect(0,w - 2,h - 2,8,8);
              }
            });
        textFIEldDefaults.put("TextFIEld.borderPainter",RenderingHints.VALUE_ANTIAliAS_ON);
                g.setstroke(new Basicstroke(2f));
                g.setcolor(color.liGHT_GRAY);
                g.drawRoundRect(0,8);
              }
            });
        JTextFIEld textFIEld = new JTextFIEld(15);
        panel.add(textFIEld);
        textFIEld.putClIEntProperty("Nimbus.OverrIDes",textFIEldDefaults);
        textFIEld.putClIEntProperty("Nimbus.OverrIDes.inheritDefaults",falsE);
        // Add a normal themed slIDer for comparison
        JTextFIEld normalTextFIEld = new JTextFIEld(15);
        panel.add(normalTextFIEld);
        frame.getContentPane().add(panel,borderLayout.CENTER);
        frame.pack();
        frame.setLOCATIOnrelativeTo(null);
        frame.setVisible(true);
      }
    });
  }
}