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/series/StockSeriesAttributeComposite.java
super( parent, style );
		if ( !( series instanceof StockSeries ) )
		{
			try
			{
				throw new ChartException( ChartUIExtensionPlugin.ID,
						ChartException.VALIDATION,
						"StockSeriesAttributeComposite.Exception.IllegalArgument", new Object[]{series.getClass( ).getName( )}, Messages.getResourceBundle( ) ); 
			}
			catch ( ChartException e )
			{
				logger.log( e );
				e.printStackTrace( );
			}
		}
		this.series = (StockSeries) series;
		this.context = context;
		init( );
		placeComponents( );
		ChartUIUtil.bindHelp( parent, ChartHelpContextIds.SUBTASK_YSERIES_STOCK );
	}
	private void init( )
	{
		this.setSize( getParent( ).getClientArea( ).width,
				getParent( ).getClientArea( ).height );
	}
	private void placeComponents( )
	{
		
		this.setLayout( new GridLayout( ) );