Name: yyT116575 Date: 06/08/2001


java version "1.4.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta-b65)
Java HotSpot(TM) Client VM (build 1.4.0-beta-b65, mixed mode)

/*
 * run application and use radio buttons to change date editor format
 * which fails to update properly.
 */
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;

/**
 * An application that displays date/time in various formats
 * allowing the user to modify the date/time (initially current date/time)
 */
public class DateSpin extends JPanel
{
  static JFrame frame;

  final static String yearMonthnameDayStr = "Year|Monthname|Day";
  final static String yearMonthDayStr = "Year|Month|Day";
  final static String yearJdayStr = "Year|Jday";
  final static String yearJdayTightStr = "Year|JdayTight";
  SpinnerDateModel dateModel;
  JSpinner dateSelector;
  JSpinner.DateEditor initialDateEditor = null;
  
  JRadioButton yearMonthnameDayButton;
  JRadioButton yearMonthDayButton;
  JRadioButton yearJdayButton;
  JRadioButton yearJdayTightButton;
  
  public DateSpin()
  {
    Calendar today = Calendar.getInstance();
    Date currDate = today.getTime();
    Calendar start = Calendar.getInstance();
    start.add(Calendar.DAY_OF_YEAR, -3);
    Date startDate = start.getTime();
    Calendar end = Calendar.getInstance();
    end.add(Calendar.DAY_OF_YEAR, 3);
    Date endDate = end.getTime();
    dateModel = new SpinnerDateModel(currDate, startDate, endDate,
Calendar.DAY_OF_YEAR);
    ////dateModel = new SpinnerDateModel();
    dateSelector = new JSpinner(dateModel);

    // Create the Date & Time User Interface
    JLabel label = new JLabel("Start Date:");
    
    yearMonthnameDayButton = new JRadioButton(yearMonthnameDayStr);
    yearMonthnameDayButton.setMnemonic('d');
    yearMonthnameDayButton.setToolTipText("Year Monthname Day");
    yearMonthnameDayButton.setActionCommand(yearMonthnameDayStr);
    yearMonthnameDayButton.setEnabled(true);
    
    yearMonthDayButton = new JRadioButton(yearMonthDayStr);
    yearMonthDayButton.setMnemonic('a');
    yearMonthDayButton.setToolTipText("Year Month Day");
    yearMonthDayButton.setActionCommand(yearMonthDayStr);
    yearMonthDayButton.setEnabled(true);
    
    yearJdayButton = new JRadioButton(yearJdayStr);
    yearJdayButton.setMnemonic('j');
    yearJdayButton.setToolTipText("Year Jday");
    yearJdayButton.setActionCommand(yearJdayStr);
    yearJdayButton.setEnabled(true);
    
    yearJdayButton.setSelected(true);
    initialDateEditor = new JSpinner.DateEditor(dateSelector, "yyyy DDD HH:mm:ss");
    dateSelector.setEditor(initialDateEditor);

    yearJdayTightButton = new JRadioButton(yearJdayTightStr);
    yearJdayTightButton.setMnemonic('t');
    yearJdayTightButton.setToolTipText("Year Jday tight");
    yearJdayTightButton.setActionCommand(yearJdayTightStr);
    yearJdayTightButton.setEnabled(true);
    
    // Group the radio buttons.
    ButtonGroup group = new ButtonGroup();
    group.add(yearMonthnameDayButton);
    group.add(yearMonthDayButton);
    group.add(yearJdayButton);
    group.add(yearJdayTightButton);
    
    // Register a listener for the radio buttons.
    RadioListener myListener = new RadioListener();
    yearMonthnameDayButton.addActionListener(myListener);
    yearJdayButton.addActionListener(myListener);
    yearMonthDayButton.addActionListener(myListener);
    
    add(label);
    add(dateSelector);
    add(yearMonthnameDayButton);
    add(yearMonthDayButton);
    add(yearJdayButton);
    add(yearJdayTightButton);
  }
  
  
  /** An ActionListener that listens to the radio buttons. */
  class RadioListener implements ActionListener
  {
    public void actionPerformed(ActionEvent event)
    {
      String action = event.getActionCommand();

      try
      {
        java.util.Date dateSelected = dateModel.getDate();
        System.out.println(dateSelected.toString());

        JSpinner.DateEditor editor = null;
        if (action.equals(yearMonthnameDayStr))
        {
          editor = new JSpinner.DateEditor(dateSelector, "yyyy MMM dd HH:mm:ss");
        }
        else if (action.equals(yearMonthDayStr))
        {
          editor = new JSpinner.DateEditor(dateSelector, "yyyy MM dd HH:mm:ss");
        }
        else if (action.equals(yearJdayStr))
        {
          editor = new JSpinner.DateEditor(dateSelector, "yyyy DDD HH:mm:ss");
        }
        else if (action.equals(yearJdayTightStr))
        {
          editor = new JSpinner.DateEditor(dateSelector, "yyyyDDDHHmmss");
        }
        else
          System.out.println("Unknown date format: " + action.toString());
          
        if (editor != null)
          dateSelector.setEditor(editor);
        else
          System.out.println ("Date editor is null!");
        
        frame.pack();
      }
      catch (Exception exc)
      {
        JRadioButton button = (JRadioButton)event.getSource();
        button.setEnabled(false);
      }
    }
  }
  
  public static void main(String s[])
  {
    /*
    try
    {
      UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
    } catch (Exception exc)
    {
      System.err.println("Error loading System Look & Feel: " + exc);
    }
    */
    DateSpin panel = new DateSpin();
    
    frame = new JFrame("Date & Time");
    frame.addWindowListener(new WindowAdapter()
       {public void windowClosing(WindowEvent e) {System.exit(0);}});
    frame.getContentPane().add("Center", panel);
    frame.pack();
    frame.setVisible(true);
  }
}
(Review ID: 126192)
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