borders.java

Thinking in JAVA第四版源代码

//: gui/Borders.java
// Different Swing borders.
import javax.swing.*;
import javax.swing.border.*;
import java.awt.*;
import static net.mindview.util.SwingConsole.*;

public class Borders extends JFrame {
  static JPanel showBorder(Border b) {
    JPanel jp = new JPanel();
    jp.setLayout(new BorderLayout());
    String nm = b.getClass().toString();
    nm = nm.substring(nm.lastIndexOf('.') + 1);
    jp.add(new JLabel(nm, JLabel.CENTER),
      BorderLayout.CENTER);
    jp.setBorder(b);
    return jp;
  }
  public Borders() {
    setLayout(new GridLayout(2,4));
    add(showBorder(new TitledBorder("Title")));
    add(showBorder(new EtchedBorder()));
    add(showBorder(new LineBorder(Color.BLUE)));
    add(showBorder(
      new MatteBorder(5,5,30,30,Color.GREEN)));
    add(showBorder(
      new BevelBorder(BevelBorder.RAISED)));
    add(showBorder(
      new SoftBevelBorder(BevelBorder.LOWERED)));
    add(showBorder(new CompoundBorder(
      new EtchedBorder(),
      new LineBorder(Color.RED))));
  }
  public static void main(String[] args) {
    run(new Borders(), 500, 300);
  }
} ///:~