import java.awt.*;
import java.awt.geom.Rectangle2D;

import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.labels.StandardXYItemLabelGenerator;
import org.jfree.chart.labels.ItemLabelAnchor;
import org.jfree.chart.labels.ItemLabelPosition;
import org.jfree.chart.title.TextTitle;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.*;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.data.time.Month;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
import org.jfree.ui.TextAnchor;
import org.jfree.ui.RectangleInsets;

/**
 * A line chart demo showing the use of a custom drawing supplier.
 *
 */
public class LineChartDemo2 extends ApplicationFrame
{

    /**
     * Creates a new demo.
     *
     * @param title the frame title.
     */
    public LineChartDemo2(final String title)
    {
        super(title);
        TimeSeries timeSeries = new TimeSeries("阿蜜果blog访问量统计", Month.class);
//时间曲线数据集合
        TimeSeriesCollection lineDataset = new TimeSeriesCollection();
//构造数据集合
        timeSeries.add(new Month(1, 2007), 11200);
        timeSeries.add(new Month(2, 2007), 9000);
        timeSeries.add(new Month(3, 2007), 6200);
        timeSeries.add(new Month(4, 2007), 8200);
        timeSeries.add(new Month(5, 2007), 8200);
        timeSeries.add(new Month(6, 2007), 12200);
        timeSeries.add(new Month(7, 2007), 13200);
        timeSeries.add(new Month(8, 2007), 8300);
        timeSeries.add(new Month(9, 2007), 12400);
        timeSeries.add(new Month(10, 2007), 12500);
        timeSeries.add(new Month(11, 2007), 13600);
        timeSeries.add(new Month(12, 2007), 12500);

        lineDataset.addSeries(timeSeries);
        JFreeChart chart = ChartFactory.createTimeSeriesChart("访问量统计时间线", "月份", "访问量", lineDataset, true, true, true);
//设置子标题
        TextTitle subtitle = new TextTitle("2007年度", new Font("黑体", Font.BOLD, 12));
        chart.addSubtitle(subtitle);
//设置主标题
        chart.setTitle(new TextTitle("阿蜜果blog访问量统计", new Font("隶书", Font.ITALIC, 15)));
        chart.setAntiAlias(true);

        XYPlot plot = (XYPlot) chart.getPlot();
        XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer)plot.getRenderer();
//设置网格背景颜色
        plot.setBackgroundPaint(Color.white);
//设置网格竖线颜色
        plot.setDomainGridlinePaint(Color.pink);
//设置网格横线颜色
        plot.setRangeGridlinePaint(Color.pink);
//设置曲线图与xy轴的距离
        plot.setAxisOffset(new RectangleInsets(0D, 0D, 0D, 10D));
//设置曲线是否显示数据点
        xylineandshaperenderer.setBaseShapesVisible(true);
//设置曲线显示各数据点的值
        XYItemRenderer xyitem = plot.getRenderer();
        xyitem.setBaseItemLabelsVisible(true);
        xyitem.setBasePositiveItemLabelPosition(new ItemLabelPosition(ItemLabelAnchor.OUTSIDE12, TextAnchor.BASELINE_LEFT));

        //下面三句是对设置折线图数据标示的关键代码
        xyitem.setBaseItemLabelGenerator(new StandardXYItemLabelGenerator());
        xyitem.setBaseItemLabelFont(new Font("Dialog", 1, 14));
        plot.setRenderer(xyitem);


        final ChartPanel chartPanel = new ChartPanel(chart);
        chartPanel.setPreferredSize(new Dimension(500, 270));
        setContentPane(chartPanel);

    }

    /**
     * Starting point for the demonstration application.
     *
     * @param args ignored.
     */
    public static void main(final String[] args){

        final LineChartDemo2 demo = new LineChartDemo2("Line Chart Demo 5");
        demo.pack();
        RefineryUtilities.centerFrameOnScreen(demo);
        demo.setVisible(true);

    }

}