public class FFEGeneral
{
protected XYGraph xyGraph = new XYGraph();
	private Canvas can;
	private int[] xRange = new int[2];
	private int[] yRange = new int[2];
	private String xLabel = "";
	private String yLabel = "";
	private String graphLabel = "";
	protected Trace trace;
	protected CircularBufferDataProvider dataProvider; 
	
	public FFEGeneral(Composite parent, int[] xRange, int[] yRange, String graphLabel, String xLabel, String yLabel)
	{
		this.xRange = xRange;
		this.yRange = yRange;
		this.graphLabel = graphLabel;
		this.xLabel = xLabel;
		this.yLabel = yLabel;
		createPartControl(parent);
	}
	
	public void createPartControl(Composite parent) 
	{
		dataProvider = new CircularBufferDataProvider(false);
		dataProvider.setBufferSize(100);
		
		Composite ffeComposite = new Composite(parent, SWT.NONE);
		ffeComposite.setLayout(new FillLayout());
		can = new Canvas(ffeComposite, SWT.NONE);
		final LightweightSystem lws = new LightweightSystem(can);
		xyGraph = new XYGraph();
		xyGraph.primaryXAxis.setTitle(xLabel);
		xyGraph.primaryYAxis.setTitle(yLabel);
		xyGraph.primaryYAxis.setAutoScale(true);
		xyGraph.primaryXAxis.setShowMajorGrid(true);
		xyGraph.primaryYAxis.setShowMajorGrid(true);
		xyGraph.primaryXAxis.setAutoScale(true);
		xyGraph.primaryYAxis.setRange(yRange[0], yRange[1]);
		xyGraph.primaryXAxis.setRange(xRange[0], xRange[1]);
		xyGraph.setShowLegend(false);
		
		lws.setContents(xyGraph);
		
		CreateTrace();
	}

	protected void CreateTrace()
	{
		trace = new Trace("", xyGraph.primaryXAxis, xyGraph.primaryYAxis, dataProvider);
		trace.setPointStyle(PointStyle.DIAMOND);
		xyGraph.addTrace(trace);
	}
public void UpdateGraph(double[] datax, double[] datay)
	{
		dataProvider.clearTrace();
		
	
		for (int i = 0; i < 2; i++) 
		{
			dataProvider.setCurrentXDataArray(datax);
			dataProvider.setCurrentYDataArray(datay);	
		}
}
}