org.eclipse.draw2d
Interface UpdateListener
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All Known Implementing Classes:
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Thumbnail
- public interface UpdateListener
An interface used to notify listeners that the listened to object is updating.
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Method Summary
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void
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notifyPainting
(
Rectangle damage,
java.util.Map dirtyRegions)
Notifies the listener that the listened to object is painting. |
void
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notifyValidating
()
Notifies the listener that the listened to object is validating. |
notifyPainting
public void notifyPainting(
Rectangle damage,
java.util.Map dirtyRegions)
- Notifies the listener that the listened to object is painting. The damage rectangle
may be null or empty. This indicates the dirty regions were clipped or not visible.
But for objects such as the
Thumbnail, notification
still needs to occur. The map of dirty regions is passed to allow the listener to
determine if it needs to update, for instance when a particular figure is painting.
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Parameters:
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damage - The area being painted -
dirtyRegions - a Map of figures to their dirty regions
notifyValidating
public void notifyValidating()
- Notifies the listener that the listened to object is validating.
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Copyright (c) IBM Corp. and others 2000, 2007. All Rights Reserved.
