Module java.desktop
Package javax.swing.event

Class 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:
    RowSorter, Serialized Form

    • Constructor Detail

      • 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 Detail

      • 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