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A ProjectionChangePolicy is a policy object that determines how an OMGraphicHandler layer reacts to a projectionChanged() method call. The OMGraphicHandlerLayer has been written to consult this object to contral that activity. The reaction could include clearing out the current OMGraphicList or keeping it, or launching a SwingWorker with a doPrepare() call on the layer to have the layer's prepare() method called.
Method Summary | |
OMGraphicHandlerLayer |
getLayer()
Get the OMGraphicHandlerLayer to work with. |
void |
projectionChanged(ProjectionEvent pe)
The method that is called when the projection changes. |
void |
setLayer(OMGraphicHandlerLayer layer)
Set the OMGraphicHandlerLayer to work with. |
void |
workerComplete(OMGraphicList aList)
The method that gets called when the SwingWorker thread finishes. |
Method Detail |
public void setLayer(OMGraphicHandlerLayer layer)
public OMGraphicHandlerLayer getLayer()
public void projectionChanged(ProjectionEvent pe)
public void workerComplete(OMGraphicList aList)
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