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
{
		for ( int iL = 0; iL < vListeners.size( ); iL++ )
		{
			Event se = new Event( );
			se.widget = this;
			se.data = data;
			se.type = iEventType;
			vListeners.get( iL ).handleEvent( se );
		}
	}
	/*
	 * Converts the specified SWT line style constant to a chart model's
	 * LineStyle object
	 */
	private LineStyle getModelLineStyle( int iStyle )
	{
		switch ( iStyle )
		{
			case SWT.LINE_SOLID :
				return LineStyle.SOLID_LITERAL;
			case SWT.LINE_DASH :
				return LineStyle.DASHED_LITERAL;
			case SWT.LINE_DASHDOT :
				return LineStyle.DASH_DOTTED_LITERAL;
			case SWT.LINE_DOT :
				return LineStyle.DOTTED_LITERAL;
			default :
				return null;
		}
	}