Component to display/change a time interval length

Hi all

I am trying to decide what would be the best component Swing to take the entry with a length of time. Ideally, I would prefer to avoid the user to type a number in the format (hh: mm: for example) which must be validated and have just a component that don't show / allow a valid entry. I had considered using a component JSpinner, from '00:00:00 ' and let the user 'spin' up to a certain number of hours, minutes, and seconds. In fact, the JSpinner would be ideal if I could work out how to do correctly view and edit this kind of value rather than the date values. At the moment I have a JSpinner configured to use a DateModel and DateEditor and initialized with a blank date. It works because I can ignore all but the values of the time in the date object so that the user can simply define an amount of time "since midnight" that I can effectively deal with the length of the interval. The problem is that using a configured router Date shows the time in a range of 12 hours from 12:00-01:59:59, at no time did the display check to 00:00:00, which, in my case, is that the user must start by as a value. So, to enter a time interval of, say, 30 minutes and 20 seconds, I set the spinner at 12:30:20, account held that currently is 30 minutes and 20 seconds elapsed since midnight.

Ideally, a time interval should not be tied to a date object at all, but if necessary, just a way of pursuading the spinner shows the time between midnight and 01:00 as departure 00 would be a way around the problem. The ideal solution would be an element that acts much like the Spinner which holds a value behind the scenes as a long in a few seconds, but this value in hh seconds formats for display and does not have the limitation of range 12 hours or 24 hours inherent to the Date in the format of the spinner. I suspect the editor used by a JSpinner and model manipulation could achieve this goal, but Oracle on JSpinners's article will little or no details on what can make a custom editor and how etc.

So, anyone know how I could reach or the other of these ends, displaying the time in a cone of Date from 0 rather than 12 or customize a router or another component to take a period of time as an input.

This code is indebted to Darryl Burke, Encephalopathic and Michael Dunn.
See [here. | http://forums.sun.com/thread.jspa?threadID=5337079]

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

public class TimeSpinner extends JFrame {
  public TimeSpinner() {
    setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    setLayout(new GridLayout(1,2, 0,5));
    JSpinner spin24 = new JSpinner(new SpinnerDateModel());
    spin24.setEditor(new JSpinner.DateEditor(spin24, "HH:mm:ss"));
    add(new JLabel("24 hours spinner"));
    add(spin24);
    pack();
    setVisible(true);
  }

  public static void main(String[] args) {
    EventQueue.invokeLater(new Runnable() {
      public void run() {
     new TimeSpinner();
      }
    });
  }
}

Hope that helps.

Tags: Java

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Component to display/change a time interval length

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