Package org.apache.log4j.lf5.viewer
Class TrackingAdjustmentListener
- java.lang.Object
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- org.apache.log4j.lf5.viewer.TrackingAdjustmentListener
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- All Implemented Interfaces:
java.awt.event.AdjustmentListener
,java.util.EventListener
public class TrackingAdjustmentListener extends java.lang.Object implements java.awt.event.AdjustmentListener
An AdjustmentListener which ensures that an Adjustable (e.g. a Scrollbar) will "track" when the Adjustable expands. For example, when a vertical scroll bar is at its bottom anchor, the scrollbar will remain at the bottom. When the vertical scroll bar is at any other location, then no tracking will happen. An instance of this class should only listen to one Adjustable as it retains state information about the Adjustable it listens to.
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Field Summary
Fields Modifier and Type Field Description protected int
_lastMaximum
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Constructor Summary
Constructors Constructor Description TrackingAdjustmentListener()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
adjustmentValueChanged(java.awt.event.AdjustmentEvent e)
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