Package uk.ac.starlink.topcat.activate
Class UrlColumnConfigurator.LocationColumnActivator
- java.lang.Object
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- uk.ac.starlink.topcat.activate.UrlColumnConfigurator.LocationColumnActivator
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- All Implemented Interfaces:
Activator
- Direct Known Subclasses:
UrlColumnConfigurator.UrlColumnActivator
- Enclosing class:
- UrlColumnConfigurator
protected abstract static class UrlColumnConfigurator.LocationColumnActivator extends java.lang.Object implements Activator
Utility class providing a partial Activator implementation for UrlColumnConfigurators that want a location (file or URL) value.
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Constructor Summary
Constructors Modifier Constructor Description protected
LocationColumnActivator(uk.ac.starlink.table.ColumnData cdata, boolean invokeOnEdt)
Constructor.
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description protected abstract Outcome
activateLocation(java.lang.String loc, long lrow)
Consumes the location string corresponding to the row to perform the activation action.Outcome
activateRow(long lrow, ActivationMeta meta)
Invokes some kind of action on the table row indicated by a given index.boolean
invokeOnEdt()
Indicates how this activator'sactivateRow
method should be executed.
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Method Detail
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activateRow
public Outcome activateRow(long lrow, ActivationMeta meta)
Description copied from interface:Activator
Invokes some kind of action on the table row indicated by a given index.- Specified by:
activateRow
in interfaceActivator
- Parameters:
lrow
- row indexmeta
- additional activation metadata if available; may be null if no special information is available- Returns:
- outcome
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invokeOnEdt
public boolean invokeOnEdt()
Description copied from interface:Activator
Indicates how this activator'sactivateRow
method should be executed. If true, it is intended to be invoked synchronously on the Event Dispatch Thread. If false, it is intended to be invoked asynchronously on some less time-critical thread. False should be returned if this activator may be time-consuming.- Specified by:
invokeOnEdt
in interfaceActivator
- Returns:
- true if it is a good idea to invoke this activator on the EDT
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activateLocation
protected abstract Outcome activateLocation(java.lang.String loc, long lrow)
Consumes the location string corresponding to the row to perform the activation action.- Parameters:
loc
- location string, not null or blanklrow
- row index- Returns:
- outcome
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