Bug 117148 Support Accessibility
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/model/attribute/util/AttributeValidator.java
case AttributePackage.AXIS_ORIGIN :
				return validateAxisOrigin( (AxisOrigin) value,
						diagnostics,
						context );
			case AttributePackage.BOUNDS :
				return validateBounds( (Bounds) value, diagnostics, context );
			case AttributePackage.CALL_BACK_VALUE :
				return validateCallBackValue( (CallBackValue) value,
						diagnostics,
						context );
			case AttributePackage.COLOR_DEFINITION :
				return validateColorDefinition( (ColorDefinition) value,
						diagnostics,
						context );
			case AttributePackage.DATA_POINT :
				return validateDataPoint( (DataPoint) value,
						diagnostics,
						context );
			case AttributePackage.DATA_POINT_COMPONENT :
				return validateDataPointComponent( (DataPointComponent) value,
						diagnostics,
						context );
			case AttributePackage.DATE_FORMAT_SPECIFIER :
				return validateDateFormatSpecifier( (DateFormatSpecifier) value,
						diagnostics,
						context );
			case AttributePackage.EMBEDDED_IMAGE :
				return validateEmbeddedImage( (EmbeddedImage) value,
						diagnostics,
						context );