datavis.BarGraph.java Source code

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Here is the source code for datavis.BarGraph.java

Source

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package datavis;

import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.font.TextAttribute;
import java.util.Hashtable;
import java.util.Map;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.CategoryLabelPositions;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.renderer.category.StandardBarPainter;
import org.jfree.chart.title.TextTitle;

public class BarGraph {

    private DefaultCategoryDataset barDataSet;
    private String barDataSetName;
    private String intervalTypeName;
    private String numberTypeName;

    public BarGraph() {

        barDataSet = new DefaultCategoryDataset();
        barDataSetName = null;
        intervalTypeName = null;
        numberTypeName = null;

    }

    public BarGraph(DefaultCategoryDataset lineIn, String nameIn, String intervalTypeNameIn,
            String numberTypeNameIn) {
        barDataSet = lineIn;
        barDataSetName = nameIn;
        intervalTypeName = intervalTypeNameIn;
        numberTypeName = numberTypeNameIn;
    }

    public BarGraph(String nameIn, String intervalTypeNameIn, String numberTypeNameIn) {
        barDataSet = new DefaultCategoryDataset();
        barDataSetName = nameIn;
        intervalTypeName = intervalTypeNameIn;
        numberTypeName = numberTypeNameIn;
    }

    public void setBarGraphName(String nameIn) {
        barDataSetName = nameIn;
    }

    public String getBarGraphName() {
        return barDataSetName;
    }

    public void setIntervalTypeName(String nameIn) {
        intervalTypeName = nameIn;
    }

    public String getIntervalTypeName() {
        return intervalTypeName;
    }

    public void setNumberTypeName(String nameIn) {
        numberTypeName = nameIn;
    }

    public String getNumberTypeName() {
        return numberTypeName;
    }

    public void addData(String sliceName, double dataIn, String typeIn) {
        barDataSet.setValue(new Double(dataIn), typeIn, sliceName);
    }

    public DefaultCategoryDataset getBarGraph() {
        return barDataSet;
    }

    public JFreeChart getChartPanel() {
        JFreeChart chart = ChartFactory.createBarChart(getBarGraphName(), getIntervalTypeName(),
                getNumberTypeName(), getBarGraph(), PlotOrientation.VERTICAL, true, true, false);
        chart.setBackgroundPaint(Color.white);

        final CategoryPlot plot = chart.getCategoryPlot();
        plot.setBackgroundPaint(Color.darkGray);
        plot.setDomainGridlinePaint(new Color(240, 180, 180));
        plot.setRangeGridlinePaint(new Color(240, 180, 180));

        final BarRenderer renderer = (BarRenderer) plot.getRenderer();
        renderer.setBarPainter(new StandardBarPainter());

        final GradientPaint gp0 = new GradientPaint(0.0f, 0.0f, new Color(170, 240, 240), 0.0f, 0.0f,
                new Color(170, 240, 240));

        renderer.setSeriesPaint(0, gp0);

        final CategoryAxis domainAxis = plot.getDomainAxis();
        domainAxis.setCategoryLabelPositions(CategoryLabelPositions.createUpRotationLabelPositions(Math.PI / 6.0));

        return chart;
    }

}