/*
 * Created on Sep 18, 2003
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package xa.web.action.moderator;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang.math.RandomUtils;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.StandardXYItemRenderer;
import org.jfree.data.XYSeries;
import org.jfree.data.XYSeriesCollection;

import com.opensymphony.xwork.ActionSupport;

/**
 * @author bchoi
 *
 * To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
public class ViewModerationFunctionAction extends ActionSupport {

	private JFreeChart chart;

	public String execute() {
		XYSeries dataSeries = new XYSeries(null);
		dataSeries.add(0, 0);
		for (int i = 1; i < 100; i++) {
			dataSeries.add(i, i + RandomUtils.nextInt(5));
		}
		dataSeries.add(100, 100);
		XYSeriesCollection xyDataset = new XYSeriesCollection(dataSeries);

		ValueAxis xAxis = new NumberAxis("Raw Marks");
		ValueAxis yAxis = new NumberAxis("Moderated Marks");
		chart =
			new JFreeChart(
				"Moderation Function",
				JFreeChart.DEFAULT_TITLE_FONT,
				new XYPlot(
					xyDataset,
					xAxis,
					yAxis,
					new StandardXYItemRenderer(StandardXYItemRenderer.LINES)),
				false);
		chart.setBackgroundPaint(java.awt.Color.white);

		return super.SUCCESS;
	}

	/**
	 * @return
	 */
	public JFreeChart getChart() {
		return chart;
	}

}