javax.swing.event
Class RowSorterEvent
- java.lang.Object
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- java.util.EventObject
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- javax.swing.event.RowSorterEvent
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- All Implemented Interfaces:
- Serializable
public class RowSorterEvent extends EventObject
RowSorterEventprovides notification of changes to aRowSorter. Two types of notification are possible:Type.SORT_ORDER_CHANGED: indicates the sort order has changed. This is typically followed by a notification of:Type.SORTED: indicates the contents of the model have been transformed in some way. For example, the contents may have been sorted or filtered.
- Since:
- 1.6
- See Also:
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RowSorter
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Nested Class Summary
Nested Classes Modifier and Type Class and Description static classRowSorterEvent.TypeEnumeration of the types ofRowSorterEvents.
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Field Summary
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Fields inherited from class java.util.EventObject
source
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Constructor Summary
Constructors Constructor and Description RowSorterEvent(RowSorter source)Creates aRowSorterEventof typeSORT_ORDER_CHANGED.RowSorterEvent(RowSorter source, RowSorterEvent.Type type, int[] previousRowIndexToModel)Creates aRowSorterEvent.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method and Description intconvertPreviousRowIndexToModel(int index)Returns the location ofindexin terms of the model prior to the sort.intgetPreviousRowCount()Returns the number of rows before the sort.RowSortergetSource()Returns the source of the event as aRowSorter.RowSorterEvent.TypegetType()Returns the type of event.-
Methods inherited from class java.util.EventObject
toString
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Constructor Detail
RowSorterEvent
public RowSorterEvent(RowSorter source)
Creates aRowSorterEventof typeSORT_ORDER_CHANGED.- Parameters:
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source- the source of the change - Throws:
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IllegalArgumentException- ifsourceisnull
RowSorterEvent
public RowSorterEvent(RowSorter source, RowSorterEvent.Type type, int[] previousRowIndexToModel)
Creates aRowSorterEvent.- Parameters:
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source- the source of the change -
type- the type of event -
previousRowIndexToModel- the mapping from model indices to view indices prior to the sort, may benull - Throws:
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IllegalArgumentException- if source ortypeisnull
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Method Detail
getSource
public RowSorter getSource()
Returns the source of the event as aRowSorter.- Overrides:
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getSourcein classEventObject - Returns:
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the source of the event as a
RowSorter
getType
public RowSorterEvent.Type getType()
Returns the type of event.- Returns:
- the type of event
convertPreviousRowIndexToModel
public int convertPreviousRowIndexToModel(int index)
Returns the location ofindexin terms of the model prior to the sort. This method is only useful for events of typeSORTED. This method will return -1 if the index is not valid, or the locations prior to the sort have not been provided.- Parameters:
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index- the index in terms of the view - Returns:
- the index in terms of the model prior to the sort, or -1 if the location is not valid or the mapping was not provided.
getPreviousRowCount
public int getPreviousRowCount()
Returns the number of rows before the sort. This method is only useful for events of typeSORTEDand if the last locations have not been provided will return 0.- Returns:
- the number of rows in terms of the view prior to the sort
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