if ( oldVal != null ) { return oldVal; } return "";
return oldVal;
	protected Object getMapVal( Object oldVal, StyledElementDesign item )	{		MapDesign map = item.getMap( );		if ( map == null )		{			if ( oldVal != null )			{				return oldVal;			}			return ""; //$NON-NLS-1$		}		for ( int i = 0; i < map.getRuleCount( ); i++ )		{			MapRuleDesign rule = map.getRule( i );			if ( rule != null )			{				Object value = context.evaluate( rule.getConditionExpr( ) );				if ( ( value != null ) && ( value instanceof Boolean )						&& ( ( (Boolean) value ).booleanValue( ) ) )				{					return getLocalizedString( rule.getDisplayKey( ), rule							.getDisplayText( ) );				}			}		}		return oldVal;	}