jj2000.disp
Class TitleUpdater

java.lang.Object
  |
  +--jj2000.disp.TitleUpdater

All Implemented Interfaces:

java.lang.Runnable

public class TitleUpdater

extends java.lang.Object

implements java.lang.Runnable

This class should run as an independent thread to update tha main display window title with current image scroll position and zoom.

Field Summary

(package private) java.lang.String	btitle The base of the title
boolean	done The thread exits when this is true
(package private) ImgScrollPane	isp The ImgScrollPane where the image is displayed
(package private) static int	UPDATE_T The update perion, in milliseconds: 100
(package private) java.awt.Frame	win The frame which title to update

Constructor Summary

TitleUpdater(ImgScrollPane isp, java.awt.Frame win, java.lang.String btitle)
Instantiates the title updater.

Method Summary

void	run() The method that executes this thread.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

UPDATE_T

static final int UPDATE_T

The update perion, in milliseconds: 100

See Also:

Constant Field Values

isp

ImgScrollPane isp

The ImgScrollPane where the image is displayed

win

java.awt.Frame win

The frame which title to update

btitle

java.lang.String btitle

The base of the title

done

public volatile boolean done

The thread exits when this is true

Constructor Detail

TitleUpdater

public TitleUpdater(ImgScrollPane isp,
                    java.awt.Frame win,
                    java.lang.String btitle)

Instantiates the title updater. The title of 'win' will be regularly updated with the current zoom and scroll point. The current zoom and scroll point are added to the basic title given by 'btitle'.

Parameters:

isp - Where the image is displayed

win - The window which title to update

btitle - The base of the title.

Method Detail

run

public void run()

The method that executes this thread. The method periodically updates the title, if necessary, and puts to sleep the thread for 100 msec. This method never returns. If the sleep of the thread is interrupted, the title will be updated earlier and the cycle will continue.

Specified by:

run in interface java.lang.Runnable