| java.lang.Object | |
| ↳ | org.jfree.chart.panel.AbstractOverlay |
 Known Direct Subclasses
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Class Overview
A base class for implementing overlays for a ChartPanel.
Summary
| Public Constructors | |||||||||||
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Default constructor.
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| Public Methods | |||||||||||
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Registers an object for notification of changes to the overlay.
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Sends a default
ChartChangeEvent to all registered listeners. | |||||||||||
Deregisters an object for notification of changes to the overlay.
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| Protected Methods | |||||||||||
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Sends a
ChartChangeEvent to all registered listeners. | |||||||||||
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Inherited Methods | |||||||||||
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From class
java.lang.Object
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Public Constructors
public AbstractOverlay ()
Default constructor.
Public Methods
public void addChangeListener (OverlayChangeListener listener)
Registers an object for notification of changes to the overlay.
Parameters
| listener | the listener (null not permitted). |
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public void fireOverlayChanged ()
Sends a default ChartChangeEvent to all registered listeners.
This method is for convenience only.
public void removeChangeListener (OverlayChangeListener listener)
Deregisters an object for notification of changes to the overlay.
Parameters
| listener | the listener (null not permitted) |
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Protected Methods
protected void notifyListeners (OverlayChangeEvent event)
Sends a ChartChangeEvent to all registered listeners.
Parameters
| event | information about the event that triggered the notification. |
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