public interface GroupByHandler extends EventHandler
Modifier and Type | Method and Description |
---|---|
void |
onGroupBy(GroupByEvent event)
Callback fired when the user attempts to group or ungroup the listGrid, or when
ListGrid.groupBy() is called programmatically. |
void onGroupBy(GroupByEvent event)
ListGrid.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()
.
event
- the event