sixchoicepanel.java~11~

很好得jbuilder100例源代码

package jpanel;

import java.awt.*;
import javax.swing.*;

/**
 * Title:
 * Description:
 * Copyright:    Copyright (c) 2001
 * Company:
 * @author
 * @version 1.0
 */

public class SixChoicePanel extends JPanel {
  GridLayout gridLayout1 = new GridLayout();

  public SixChoicePanel(String title, String[] buttonLabels) {
    try {
      jbInit(title,buttonLabels);
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  void jbInit(String title,String[] buttonLabels) throws Exception {
    gridLayout1.setRows(3);
    gridLayout1.setColumns(2);
    this.setLayout(gridLayout1);
    setBorder(BorderFactory.createTitledBorder(title));
    ButtonGroup group = new ButtonGroup();
    JRadioButton option;
    int halfLength = buttonLabels.length/2;  // Assumes even length
    for(int i=0; i<halfLength; i++) {
      option = new JRadioButton(buttonLabels[i]);
      group.add(option);
      add(option);
      option = new JRadioButton(buttonLabels[i+halfLength]);
      group.add(option);
      add(option);
    }
    pack();
    setVisible(true);
  }
}