public boolean eIsSet( EStructuralFeature eFeature )
public boolean eIsSet( int featureID )
	public boolean eIsSet( EStructuralFeature eFeature )	{		switch ( eDerivedStructuralFeatureID( eFeature ) )		{			case AttributePackage.TEXT__VALUE :				return VALUE_EDEFAULT == null ? value != null						: !VALUE_EDEFAULT.equals( value );			case AttributePackage.TEXT__FONT :				return font != null;			case AttributePackage.TEXT__COLOR :				return color != null;		}		return eDynamicIsSet( eFeature );	}