Bug 117148 Support Accessibility
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/model/attribute/util/AttributeValidator.java
diagnostics,
						context );
			case AttributePackage.SERIES_VALUE :
				return validateSeriesValue( (SeriesValue) value,
						diagnostics,
						context );
			case AttributePackage.SIZE :
				return validateSize( (Size) value, diagnostics, context );
			case AttributePackage.STYLE :
				return validateStyle( (Style) value, diagnostics, context );
			case AttributePackage.STYLE_MAP :
				return validateStyleMap( (StyleMap) value, diagnostics, context );
			case AttributePackage.TEXT :
				return validateText( (Text) value, diagnostics, context );
			case AttributePackage.TEXT_ALIGNMENT :
				return validateTextAlignment( (TextAlignment) value,
						diagnostics,
						context );
			case AttributePackage.TOOLTIP_VALUE :
				return validateTooltipValue( (TooltipValue) value,
						diagnostics,
						context );
			case AttributePackage.URL_VALUE :
				return validateURLValue( (URLValue) value, diagnostics, context );
			case AttributePackage.ACTION_TYPE :
				return validateActionType( (ActionType) value,
						diagnostics,
						context );
			case AttributePackage.ANCHOR :
				return validateAnchor( (Anchor) value, diagnostics, context );