Bug 207268 Add visibility option for plot within axes
For chart with axes, we should make plot within axes invisible. Meantime, other plots, such as axes, legend and title, should be visible. This enhancement doesn't include UI change, and it is required for cross tab integration.
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/model/layout/impl/ClientAreaImpl.java
int featureID, NotificationChain msgs )
	{
		switch ( featureID )
		{
			case LayoutPackage.CLIENT_AREA__BACKGROUND :
				return basicSetBackground( null, msgs );
			case LayoutPackage.CLIENT_AREA__OUTLINE :
				return basicSetOutline( null, msgs );
			case LayoutPackage.CLIENT_AREA__SHADOW_COLOR :
				return basicSetShadowColor( null, msgs );
			case LayoutPackage.CLIENT_AREA__INSETS :
				return basicSetInsets( null, msgs );
		}
		return super.eInverseRemove( otherEnd, featureID, msgs );
	}
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet( int featureID, boolean resolve, boolean coreType )
	{
		switch ( featureID )
		{
			case LayoutPackage.CLIENT_AREA__BACKGROUND :
				return getBackground( );
			case LayoutPackage.CLIENT_AREA__OUTLINE :
				return getOutline( );
			case LayoutPackage.CLIENT_AREA__SHADOW_COLOR :
				return getShadowColor( );