Bug 190207 Integrate Aggregation builder with charts
Charts should be able to use aggregates in their databinding definition. The UI is missing the "Add Aggregation..." button in the chart databinding dialog.
UI/org.eclipse.birt.report.designer.ui.views/src/org/eclipse/birt/report/designer/internal/ui/views/attributes/provider/AggregateOnBindingsFormHandleProvider.java
return true;
			}
		}
		return false;
	}
	public void addAggregateOn( int pos ) throws Exception
	{
		boolean sucess = false;
		CommandStack stack = getActionStack( );
		stack.startTrans( Messages.getString( "FormPage.Menu.ModifyProperty" ) ); 
		try
		{
			sucess = doAddAggregateOnItem( pos );
		}
		catch ( Exception e )
		{
			stack.rollback( );
			throw new Exception( e );
		}
		if ( sucess )
		{
			stack.commit( );
		}
		else
		{
			stack.rollback( );
		}
	}
}