Package gov.nih.mipav.view

Class ScrollCorrector

java.lang.Object

gov.nih.mipav.view.ScrollCorrector

All Implemented Interfaces:

AdjustmentListener, EventListener

public class ScrollCorrector
extends Object
implements AdjustmentListener

Corrects a strange behaviour with JScrollPane when lines are appended from another thread. Moves the vertical slider to the last position.

usage: add as an adjustment listener to the VerticalScrollBar, eg., scrollPane.getVerticalScrollBar().addAdjustmentListener(new ScrollCorrector());

Taken as a modified version from traiton , on Sun's bug parade. See: JTextArea's don't automatically scoll when appending() to them. 20 February 2001 entry.

Modified as needed.

Author:

traiton

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	atLastPos	DOCUMENT ME!
private int	lastMax	DOCUMENT ME!

Constructor Summary

Constructors

Constructor	Description
ScrollCorrector()	Does nothing.

Method Summary

Modifier and Type	Method	Description
void	adjustmentValueChanged(AdjustmentEvent ae)	DOCUMENT ME!

Methods inherited from class java.lang.Object

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

Field Details

atLastPos

private boolean atLastPos

DOCUMENT ME!

lastMax

private int lastMax

DOCUMENT ME!

Constructor Details

ScrollCorrector

public ScrollCorrector()

Does nothing.

Method Details

adjustmentValueChanged

public void adjustmentValueChanged(AdjustmentEvent ae)

DOCUMENT ME!

Specified by:

adjustmentValueChanged in interface AdjustmentListener

Parameters:

ae - DOCUMENT ME!