buttons.java

来自「thinking in java 书中源码 第四版」· Java 代码 · 共 34 行

//: gui/Buttons.java
// Various Swing buttons.
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.plaf.basic.*;
import java.awt.*;
import static net.mindview.util.SwingConsole.*;

public class Buttons extends JFrame {
  private JButton jb = new JButton("JButton");
  private BasicArrowButton
    up = new BasicArrowButton(BasicArrowButton.NORTH),
    down = new BasicArrowButton(BasicArrowButton.SOUTH),
    right = new BasicArrowButton(BasicArrowButton.EAST),
    left = new BasicArrowButton(BasicArrowButton.WEST);
  public Buttons() {
    setLayout(new FlowLayout());
    add(jb);
    add(new JToggleButton("JToggleButton"));
    add(new JCheckBox("JCheckBox"));
    add(new JRadioButton("JRadioButton"));
    JPanel jp = new JPanel();
    jp.setBorder(new TitledBorder("Directions"));
    jp.add(up);
    jp.add(down);
    jp.add(left);
    jp.add(right);
    add(jp);
  }
  public static void main(String[] args) {
    run(new Buttons(), 350, 200);
  }
} ///:~