com.etest.view.tq.charts.SubjectTestLineChart.java Source code

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Here is the source code for com.etest.view.tq.charts.SubjectTestLineChart.java

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package com.etest.view.tq.charts;

import com.etest.dao.CellItemDAO;
import com.etest.model.CellItem;
import com.etest.service.CellItemService;
import com.etest.service.TQCoverageService;
import com.etest.serviceprovider.CellItemServiceImpl;
import com.etest.serviceprovider.TQCoverageServiceImpl;
import java.awt.Color;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.Plot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.category.DefaultCategoryDataset;

/**
 *
 * @author jetdario
 */
public class SubjectTestLineChart {

    TQCoverageService tq = new TQCoverageServiceImpl();
    CellItemService cs = new CellItemServiceImpl();

    public static JFreeChart discriminationIndex(int tqCoverageId) {
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();

        for (CellItem ci : CellItemDAO.getItemAnalysisResult(tqCoverageId)) {
            dataset.setValue((int) (ci.getDiscriminationIndex() * 100), "Discrimination Index",
                    String.valueOf(ci.getItemNo()));
        }

        JFreeChart chart = ChartFactory.createLineChart("Item Analysis Report", "Item No.",
                "Discrimination Index (%)", dataset, PlotOrientation.VERTICAL, true, true, false);

        chart.setBackgroundPaint(Color.white);
        CategoryPlot plot = (CategoryPlot) chart.getPlot();
        plot.setBackgroundPaint(Color.lightGray);
        plot.setRangeGridlinePaint(Color.white);

        // customise the range axis...
        NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
        rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

        // customise the renderer...
        LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer();
        renderer.setShapesVisible(true);
        renderer.setDrawOutlines(true);
        renderer.setUseFillPaint(true);
        renderer.setFillPaint(Color.white);

        return chart;
    }

    public static JFreeChart difficultIndex(int tqCoverageId) {
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();

        for (CellItem ci : CellItemDAO.getItemAnalysisResult(tqCoverageId)) {
            dataset.setValue((int) (ci.getDifficultIndex() * 100), "Difficulty Index",
                    String.valueOf(ci.getItemNo()));
        }

        JFreeChart chart = ChartFactory.createLineChart("Item Analysis Report", "Item No.", "Difficulty Index (%)",
                dataset, PlotOrientation.VERTICAL, true, true, false);

        chart.setBackgroundPaint(Color.white);
        CategoryPlot plot = (CategoryPlot) chart.getPlot();
        plot.setBackgroundPaint(Color.lightGray);
        plot.setRangeGridlinePaint(Color.white);

        // customise the range axis...
        NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
        rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());

        // customise the renderer...
        LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer();
        renderer.setShapesVisible(true);
        renderer.setDrawOutlines(true);
        renderer.setUseFillPaint(true);
        renderer.setFillPaint(Color.white);

        return chart;
    }
}