Bug 181678 BIRT designer - Cross tab item cannot define aggregation
If i try to set the sub total and grand total by using the Aggregation dialog; The values are lost when i reopen the dialog Have attached the report design for which the issue happens.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/editors/schematic/editparts/AbstractReportEditPart.java
{
				((ReportElementEditPart)part).notifyModelChange( );
			}
		}
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.birt.report.designer.internal.ui.editors.schematic.editparts.AbstractModelEventProcessor.IModelEventFactory#isDispose()
	 */
	public boolean isDispose( )
	{
		return getParent()==null || getViewer( ).getControl( ).isDisposed( );
	}
	
	/**
	 * 
	 */
	public void eventDispathStart()
	{
		getViewer( ).setProperty( MODEL_EVENT_DISPATCH, START );
	}
	
	/**
	 * 
	 */
	public void eventDispathEnd()
	{
		getViewer( ).setProperty( MODEL_EVENT_DISPATCH, END );
	}
}