Package uk.ac.starlink.ttools.plot2
Class NavAction<A>
java.lang.Object
uk.ac.starlink.ttools.plot2.NavAction<A>
Describes the result of a navigation request from the GUI.
Currently this aggregates two items, both optional:
the aspect object which describes the new
view of the plotting surface that should result from the action,
and a surface decoration for indicating to the user
the nature of the navigation in progress.
- Since:
- 17 Feb 2014
- Author:
- Mark Taylor
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionReturns the surface aspect describing the result of the navigation.Returns a surface decoration giving a visual indication of the nature of the navigation action in progress.
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Constructor Details
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NavAction
Constructor.- Parameters:
aspect
- describes the new surface; null if no changedecoration
- decorates the surface to indicate navigation; null if no decoration
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Method Details
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getAspect
Returns the surface aspect describing the result of the navigation.- Returns:
- surface aspect, or null for no change
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getDecoration
Returns a surface decoration giving a visual indication of the nature of the navigation action in progress.- Returns:
- decoration, or null for no visual indication
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