Bug 312859 The list of operator for Chart filter does not provide 30 visible items
chart/org.eclipse.birt.chart.reportitem.ui/src/org/eclipse/birt/chart/reportitem/ui/dialogs/ChartCubeFilterConditionBuilder.java
}
				}
				
				Expression expression = new Expression( expButton.getDisplayExpression( ),
						expButton.getExpressionType( ) );
				inputHandle.setExpressionProperty( FilterCondition.EXPR_MEMBER,
						expression );
			}
		}
		catch ( Exception e )
		{
			WidgetUtil.processError( getShell( ), e );
		}
		super.okPressed( );
	}