Package uk.ac.starlink.topcat.plot2
Interface ZoneLayerManager
- All Known Implementing Classes:
MatrixLayerManager
,SingleZoneLayerManager
public interface ZoneLayerManager
Abstraction for behaviour of controls that may work with multiple
zones, form controls and styles.
- Since:
- 18 Aug 2023
- Author:
- Mark Taylor
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Method Summary
Modifier and TypeMethodDescriptiongetLayers
(uk.ac.starlink.ttools.plot2.Ganger<?, ?> ganger) Returns the layers contributed by this control.Map<FormControl,
List<uk.ac.starlink.ttools.plot2.PlotLayer>> getLayersByControl
(uk.ac.starlink.ttools.plot2.Ganger<?, ?> ganger) Returns a map associating plot layers with form controls that are associated with this object.Returns a map associating plot styles with RowSubsets for the current configuration.boolean
Indicates whether this control will yield any layers in its current state.
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Method Details
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hasLayers
boolean hasLayers()Indicates whether this control will yield any layers in its current state. It returns true ifgetLayers
will return a non-empty array. False positives are best avoided, but permitted.- Returns:
- true if there is a non-zero number of layers
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getLayers
Returns the layers contributed by this control.- Parameters:
ganger
- ganger within which layers will be used- Returns:
- layers
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getStylesBySubset
Returns a map associating plot styles with RowSubsets for the current configuration.- Returns:
- ordered RowSubset->Styles map
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getLayersByControl
Map<FormControl,List<uk.ac.starlink.ttools.plot2.PlotLayer>> getLayersByControl(uk.ac.starlink.ttools.plot2.Ganger<?, ?> ganger) Returns a map associating plot layers with form controls that are associated with this object.- Parameters:
ganger
- ganger- Returns:
- FormControl->PlotLayers map
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