Method Detail

• addGroupByHandler

  com.google.gwt.event.shared.HandlerRegistration addGroupByHandler(GroupByHandler handler)

  Callback fired when the user attempts to group or ungroup the listGrid, or when groupBy() is called programmatically. This event may be cancelled.

  This notification is fired before the data is updated to reflect the grouping. See also ListGrid.groupByComplete().

  Parameters:

  handler - the groupBy handler

  Returns:

  HandlerRegistration used to remove this handler