lookandfeel.java

来自「中文JAVA编程思想第二版,一本很好的JAVA入门书籍!」· Java 代码 · 共 64 行

//: c13:LookAndFeel.java
// From 'Thinking in Java, 2nd ed.' by Bruce Eckel
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
// Selecting different looks & feels.
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import com.bruceeckel.swing.*;

public class LookAndFeel extends JFrame {
  String[] choices = { 
    "eeny", "meeny", "minie", "moe", "toe", "you"
  };
  Component[] samples = {
    new JButton("JButton"),
    new JTextField("JTextField"),
    new JLabel("JLabel"),
    new JCheckBox("JCheckBox"),
    new JRadioButton("Radio"),
    new JComboBox(choices),
    new JList(choices),
  };
  public LookAndFeel() {
    super("Look And Feel");
    Container cp = getContentPane();
    cp.setLayout(new FlowLayout());
    for(int i = 0; i < samples.length; i++)
      cp.add(samples[i]);
  }
  private static void usageError() {
    System.out.println(
      "Usage:LookAndFeel [cross|system|motif]");
    System.exit(1);
  }
  public static void main(String[] args) {
    if(args.length == 0) usageError();
    if(args[0].equals("cross")) {
      try {
        UIManager.setLookAndFeel(UIManager.
          getCrossPlatformLookAndFeelClassName());
      } catch(Exception e) {
          e.printStackTrace(System.err);
      }
    } else if(args[0].equals("system")) {
      try {
        UIManager.setLookAndFeel(UIManager.
          getSystemLookAndFeelClassName());
      } catch(Exception e) {
          e.printStackTrace(System.err);
      }
    } else if(args[0].equals("motif")) {
      try {
        UIManager.setLookAndFeel("com.sun.java."+
          "swing.plaf.motif.MotifLookAndFeel");
      } catch(Exception e) {
          e.printStackTrace(System.err);
      }
    } else usageError();
    // Note the look & feel must be set before
    // any components are created.
    Console.run(new LookAndFeel(), 300, 200);
  }
} ///:~