Class DatalessLayerControl

java.lang.Object
uk.ac.starlink.topcat.plot2.TabberControl
uk.ac.starlink.topcat.plot2.ConfigControl
uk.ac.starlink.topcat.plot2.SingleZoneLayerControl
uk.ac.starlink.topcat.plot2.DatalessLayerControl
All Implemented Interfaces:
Configger, Control, LayerControl
public class DatalessLayerControl extends SingleZoneLayerControl
Minimal LayerControl implementation. Suitable for basic plotters with no table data, so no coordpanels required. Currently, no legend entries are reported either.
Since:
10 Apr 2017
Author:
Mark Taylor

  • Constructor Details

    • DatalessLayerControl

      public DatalessLayerControl(uk.ac.starlink.ttools.plot2.Plotter<?> plotter, uk.ac.starlink.ttools.plot2.config.Specifier<ZoneId> zsel, Configger baseConfigger)
      Constructor.
      Parameters:
      plotter - plotter
      zsel - zone id specifier, may be null for single-zone case
      baseConfigger - provides global configuration info

  • Method Details

    • getPlotters

      public uk.ac.starlink.ttools.plot2.Plotter<?>[] getPlotters()
      Description copied from interface: LayerControl
      Returns a list of the plotters that will be used by this control to create layers.
      Returns:
      list of active plotters

    • getSingleZoneLayer

      protected SingleZoneLayer getSingleZoneLayer()
      Description copied from class: SingleZoneLayerControl
      Returns the layer produced by this control.
      Specified by:
      getSingleZoneLayer in class SingleZoneLayerControl
      Returns:
      single zone layer, or null if none is active

    • getLegendEntries

      public uk.ac.starlink.ttools.plot2.LegendEntry[] getLegendEntries()
      Description copied from interface: LayerControl
      Returns legend entries associated with this control.
      Returns:
      legend entries

    • getCoordLabel

      public String getCoordLabel(String userCoordName)
      Description copied from interface: LayerControl
      Returns a text label associated with one of the user coords for this control, typically the name of the column or expression supplying the data. Null may be returned if there's no good answer.
      Parameters:
      userCoordName - name of one of the user value infos of an input coord for this control
      Returns:
      text label associated with user coordinate

    • getZoneSpecifier

      public uk.ac.starlink.ttools.plot2.config.Specifier<ZoneId> getZoneSpecifier()
      Description copied from interface: LayerControl
      Returns a specifier that determines which zone of a multi-zone plot this control's layers will be displayed in. If this control is known to be used in a single-zone context, null should be returned.
      Returns:
      zone id specifier, or null

    • getTableSelector

      public TablesListComboBox getTableSelector()
      Description copied from interface: LayerControl
      Returns the selection widget for choosing which table this control is working with. If this control does not use a table, null is returned. The assumption is (currently) that a given control uses a maximum of one table.
      Returns:
      table selector, or null