public abstract class GroupSummaryCustomizer extends java.lang.Object
ListGrid.getShowGroupSummary()is true, and this method is specified it will be called to generate the field summary value to be displayed for each group level summary row. Note that this is called instead of making use of the ListGridField.summaryFunction.
|Constructor and Description|
|Modifier and Type||Method and Description|
public abstract java.lang.Object getGroupSummary(ListGridRecord records, ListGridField field, GroupNode groupNode)
recordsrecords- for which a summary is being generated (so all records in the group).
field- pointer to the field for which summary value is being generated
groupNode- object with specified groupValue and groupName for this group