Bug 200473 Microsoft JScript compilation error pops up when click pie slice [13]
chart/org.eclipse.birt.chart.reportitem.ui/src/org/eclipse/birt/chart/reportitem/ui/ChartReportItemBuilderImpl.java
if ( sTitle != null )
					{
						hb.setTitle( hb.getTitle( ) + " - " + sTitle ); 
					}
					if ( hb.open( ) == Window.OK )
					{
						value = hb.getResultString( );
					}
				}
				catch ( Exception e )
				{
					throw new ChartException( ChartReportItemUIActivator.ID,
							ChartException.UNDEFINED_VALUE,
							e );
				}
				break;
			case COMMAND_EXPRESSION_CHART_DATAPOINTS :
			case COMMAND_EXPRESSION_DATA_BINDINGS :
			case COMMAND_EXPRESSION_TRIGGERS_SIMPLE :
			case COMMAND_EXPRESSION_TRIGGERS_DATAPOINTS :
				shell = new Shell( Display.getDefault( ), SWT.DIALOG_TRIM
						| SWT.RESIZE | SWT.APPLICATION_MODAL );
				ChartUIUtil.bindHelp( shell,
						ChartHelpContextIds.DIALOG_EXPRESSION_BUILDER );
				ExpressionBuilder eb = new ExpressionBuilder( shell, value );
				eb.setExpressionProvier( ep );
				if ( sTitle != null )
				{
					eb.setDialogTitle( eb.getDialogTitle( ) + " - " + sTitle ); 
				}