Bug 315366 "Auto" for Curve Fitting Line is not black but transparent
Description: "Auto" for Curve Fitting Line is not black but transparent. Build number: 2.6.0.v20100602-0949 Steps to reproduce: 1. New a chart, in Format Chart->Series->Value (Y) Series, tick "Shown Curve Fitting Line", click "Curve Fitting Line" button. 2. Select "Auto" for Color. Expected result: The line is shown with color black. Actual result: The line disappears. Error log: N/A
chart/org.eclipse.birt.chart.ui.extension/src/org/eclipse/birt/chart/ui/swt/composites/LineAttributesComposite.java
boolean bEnableUI = cbVisible.getSelection( );
			if ( bEnableStyles )
			{
				lblStyle.setEnabled( bEnableUI );
				cmbStyle.setEnabled( bEnableUI );
			}
			if ( bEnableWidths )
			{
				lblWidth.setEnabled( bEnableUI );
				cmbWidth.setEnabled( bEnableUI );
			}
			if ( bEnableColor )
			{
				lblColor.setEnabled( bEnableUI );
				cmbColor.setEnabled( bEnableUI );
			}
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt
	 * .events.SelectionEvent)
	 */
	public void widgetDefaultSelected( SelectionEvent e )
	{
	}
	private void fireValueChangedEvent( int iEventType, Object data )