package jfreechart;

import java.io.File;
import java.io.IOException;

import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.CombinedDomainCategoryPlot;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.data.category.DefaultCategoryDataset;

/**
 * 複数グラフエリアをもつグラフ
 */
public class CombinedChartSample{

    public static void main(String[] args) {
        
        // 1つ目のデータセットの生成
        DefaultCategoryDataset lineDataset = new DefaultCategoryDataset();

        String lineSeries1 = "First";
        String lineSeries2 = "Second";

        String category1 = "Category1";
        String category2 = "Category2";
        String category3 = "Category3";
        String category4 = "Category4";

        lineDataset.addValue(1.0, lineSeries1, category1);
        lineDataset.addValue(4.0, lineSeries1, category2);
        lineDataset.addValue(3.0, lineSeries1, category3);
        lineDataset.addValue(5.0, lineSeries1, category4);

        lineDataset.addValue(5.0, lineSeries2, category1);
        lineDataset.addValue(7.0, lineSeries2, category2);
        lineDataset.addValue(6.0, lineSeries2, category3);
        lineDataset.addValue(8.0, lineSeries2, category4);


        // 2つ目のデータセットの生成
        DefaultCategoryDataset barDataset = new DefaultCategoryDataset();

        String barSeries1 = "Third";
        String barSeries2 = "Fourth";

        barDataset.addValue(11.0, barSeries1, category1);
        barDataset.addValue(14.0, barSeries1, category2);
        barDataset.addValue(13.0, barSeries1, category3);
        barDataset.addValue(15.0, barSeries1, category4);

        barDataset.addValue(15.0, barSeries2, category1);
        barDataset.addValue(17.0, barSeries2, category2);
        barDataset.addValue(16.0, barSeries2, category3);
        barDataset.addValue(18.0, barSeries2, category4);

        // 折れ線グラフの生成
        NumberAxis lineRangeAxis = new NumberAxis("Value");
        lineRangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        LineAndShapeRenderer renderer1 = new LineAndShapeRenderer();
        renderer1.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
        CategoryPlot linePlot = new CategoryPlot(lineDataset, null, lineRangeAxis, renderer1);
        linePlot.setDomainGridlinesVisible(true);

        // 棒グラフの作成
        NumberAxis barRangeAxis = new NumberAxis("Value");
        barRangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        BarRenderer barRenderer = new BarRenderer();
        barRenderer.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
        CategoryPlot barPlot = new CategoryPlot(barDataset, null, barRangeAxis, barRenderer);
        barPlot.setDomainGridlinesVisible(true);

        CategoryAxis domainAxis = new CategoryAxis("Category");
        // グラフの描画領域を生成
        CombinedDomainCategoryPlot plot = new CombinedDomainCategoryPlot(domainAxis);
        // 作成したグラフのPlotを追加(第二引数はそれぞれの割合)
        plot.add(linePlot, 3);
        plot.add(barPlot, 7);
        
        // Plotを指定してJFreeChartを生成
        JFreeChart chart = new JFreeChart(
            "Sample Combined Chart",
            JFreeChart.DEFAULT_TITLE_FONT,
            plot,
            true
        );

        // PNGに出力
        File outputFile = new File("./output/CombinedChartSample.png");
        try {
            ChartUtilities.saveChartAsPNG(outputFile, chart, 500, 500);
        } catch (IOException ioEx) {
            ioEx.printStackTrace();
        }
    }
}