Module java.desktop

Class RowSorterEvent

java.lang.Object
java.util.EventObject
javax.swing.event.RowSorterEvent
All Implemented Interfaces:
Serializable

public class RowSorterEvent extends EventObject
RowSorterEvent provides notification of changes to a RowSorter. 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:
  • Constructor Details

    • RowSorterEvent

      public RowSorterEvent(RowSorter<?> source)
      Creates a RowSorterEvent of type SORT_ORDER_CHANGED.
      Parameters:
      source - the source of the change
      Throws:
      IllegalArgumentException - if source is null
    • RowSorterEvent

      public RowSorterEvent(RowSorter<?> source, RowSorterEvent.Type type, int[] previousRowIndexToModel)
      Creates a RowSorterEvent.
      Parameters:
      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 be null
      Throws:
      IllegalArgumentException - if source or type is null
  • Method Details

    • getSource

      public RowSorter<?> getSource()
      Returns the source of the event as a RowSorter.
      Overrides:
      getSource in class EventObject
      Returns:
      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 of index in terms of the model prior to the sort. This method is only useful for events of type SORTED. This method will return -1 if the index is not valid, or the locations prior to the sort have not been provided.
      Parameters:
      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 type SORTED and 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