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
cbVisible.setEnabled( bState );
		}
		if ( this.bEnableStyles )
		{
			lblStyle.setEnabled( bState & bEnableUI );
			cmbStyle.setEnabled( bState & bEnableUI );
		}
		if ( this.bEnableWidths )
		{
			lblWidth.setEnabled( bState & bEnableUI );
			cmbWidth.setEnabled( bState & bEnableUI );
		}
		if ( this.bEnableColor )
		{
			lblColor.setEnabled( bState & bEnableUI );
			cmbColor.setEnabled( bState & bEnableUI );
		}
		this.bEnabled = bState;
	}
	public boolean isAttributesEnabled( )
	{
		return this.bEnabled;
	}
	public void addListener( Listener listener )
	{
		vListeners.add( listener );
	}
	public void setLineAttributes( LineAttributes attributes )
	{
		if ( attributes == null )