timeslider.java

一个应用timer的小程序

package net.sujee.javatimer;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
import javax.swing.border.*;

import net.sujee.util.DateInputField;

public class TimeSlider extends JPanel implements ActionListener
{
    DateInputField mStartDate,
         mEndDate;
    String mTitle;

   JSlider jSlider1 = new JSlider();
   BorderLayout borderLayout1 = new BorderLayout();
   JPanel jPanel1 = new JPanel();
   JRadioButton jRadioButton4 = new JRadioButton();
   JRadioButton jRadioButton3 = new JRadioButton();
   JRadioButton jRadioButton2 = new JRadioButton();
   JRadioButton jRadioButton1 = new JRadioButton( );
    public TimeSlider (Date start, Date end, String title)
    {
       super (new GridLayout (2,3));
       //super (new FlowLayout ());
       //super ();
       //new BoxLayout (this,BoxLayout.X_AXIS);
       mStartDate = new DateInputField (start);
       mStartDate.setEnabled(false);
       mEndDate = new DateInputField (end);
       mEndDate.setEnabled(false);
       mTitle = title;
       try
       {
       jbInit ();
       }
       catch (Exception e)
       {
          e.printStackTrace();
       }
    }


   private void jbInit() throws Exception {
      jRadioButton1.setText("All");
      jRadioButton2.setText("This week");
      jRadioButton3.setText("This month");
      jRadioButton4.setText("Other (Select below)");
      jRadioButton1.addActionListener(this);
      jRadioButton2.addActionListener(this);
      jRadioButton3.addActionListener(this);
      jRadioButton4.addActionListener(this);
      TitledBorder titledBorder1 = new TitledBorder(new EtchedBorder(EtchedBorder.RAISED,Color.white,new Color(137, 137, 137)),mTitle);
      this.setBorder(titledBorder1);

      ButtonGroup grp = new ButtonGroup ();
      grp.add(jRadioButton1);
      grp.add(jRadioButton2);
      grp.add(jRadioButton3);
      grp.add(jRadioButton4);

      add(jRadioButton1, null);
      add(jRadioButton2, null);
      add(jRadioButton3, null);
      add(jRadioButton4, null);
      add( mStartDate);
      add( mEndDate);
   }


   public static void main (String [] args)
   {
      TimeSlider ts  =new TimeSlider ( new Date(), new Date (), "Time Scale");

      JFrame f= new JFrame ("Time slider test");
      f.getContentPane().add(ts);

      f.setSize(500,100);
      f.setDefaultCloseOperation(3);
      f.show();
   }


   public void actionPerformed(ActionEvent e)
   {
      Object src = e.getSource();
      Calendar cal = Calendar.getInstance();

      if (src == jRadioButton4)
      {
         mStartDate.setEnabled(true);
         mEndDate.setEnabled(true);
      }
      else
      {
         mStartDate.setEnabled(false);
         mEndDate.setEnabled(false);

      }
   }
}