package pictuer;
import java.awt.Dimension;
import java.awt.Font;
import java.io.PrintStream;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import javax.swing.JPanel;
import org.jfree.chart.*;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.DateTickMarkPosition;
import org.jfree.chart.labels.StandardXYToolTipGenerator;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.XYBarRenderer;
import org.jfree.chart.title.TextTitle;
import org.jfree.data.time.*;
import org.jfree.data.xy.IntervalXYDataset;
import org.jfree.ui.ApplicationFrame;
import org.jfree.ui.RefineryUtilities;
public class XYBarChartDemo1 extends ApplicationFrame
{
	/**
	 * 建構函式，用來建立面板用來存放圖片
	 * @param s 表示面板的名稱
	 */
	public XYBarChartDemo1(String s)
	{
		super(s);
		JPanel jpanel = createDemoPanel();//jpanel  建立面板的名稱
		jpanel.setPreferredSize(new Dimension(500, 270));
		setContentPane(jpanel);
	}
	/**
	 * 建立條形圖
	 * @param intervalxydataset  數週資料生成變數，用來存放數軸資料
	 * @return 返回條形圖
	 */
	private static JFreeChart createChart(IntervalXYDataset intervalxydataset,String Pictuer_name)
	{
		//System.out.println("請輸入該圖片的名稱(型別是String):");
		//Scanner input = new Scanner(System.in);//input 輸入流變數，存放從鍵盤輸入的字串
		//String Pictuer_name=input.nextLine();//Pictuer_name 字串變數，用來存放條形圖的名稱
		JFreeChart jfreechart = ChartFactory.createXYBarChart(Pictuer_name, "Year", true, "Number of People", intervalxydataset, PlotOrientation.VERTICAL, true, false, false);
		//jfreechart  圖形變數，用來裝載圖形
		XYPlot xyplot = (XYPlot)jfreechart.getPlot();//xyplot  數軸變數，用來存放和設定數軸的資訊
		XYBarRenderer xybarrenderer = (XYBarRenderer)xyplot.getRenderer();//xybarrenderer  圖形方塊變數
		StandardXYToolTipGenerator standardxytooltipgenerator = new StandardXYToolTipGenerator("{1} = {2}", new SimpleDateFormat("yyyy"), new DecimalFormat("0"));
		//standardxytooltipgenerator 數週資料生成變數，用來存放數軸資料
		xybarrenderer.setBaseToolTipGenerator(standardxytooltipgenerator);
		xybarrenderer.setMargin(0.10000000000000001D);
		DateAxis dateaxis = (DateAxis)xyplot.getDomainAxis();//dateaxis 數值變數，用來設定數軸的數值的 
		dateaxis.setTickMarkPosition(DateTickMarkPosition.MIDDLE);
		dateaxis.setLowerMargin(0.01D);
		dateaxis.setUpperMargin(0.01D);
		ChartUtilities.applyCurrentTheme(jfreechart);
		return jfreechart;
	}
	/**
	 * 獲得繪製條形圖所需的資料
	 * @return 繪製條形圖所需的資料集
	 */
	private static IntervalXYDataset createDataset()
	{
		List<Integer> list_name=new ArrayList<Integer>();//list_name 裝載直方圖各小塊區間的容器
		list_name.add(1);
		list_name.add(2);
		list_name.add(3);
		list_name.add(4);
		list_name.add(5);
		int n=5;
		TimeSeries timeseries = new TimeSeries("Executions", "Year", "Count");//timeseries  時間變數，存放資料時間的
		List<Integer> li_name=list_name;//li_name 存放條形圖各小塊區間的容器
		List<Double> list_size=new ArrayList<Double>();//list_size 裝載條形圖各小塊頻數的容器
		list_size.add(23.0);
		list_size.add(13.0);
		list_size.add(25.0);
		list_size.add(12.0);
		list_size.add(18.0);
		List<Double> li_size=list_size;//li_size 存放條形圖各區間頻數的容器
		for(int i=0;i<n;i++){
		try
		{
			timeseries.add(new Year(li_name.get(i)), new Double(li_size.get(i)));
		}
		catch (Exception exception)
		{
			System.err.println(exception.getMessage());
		}//拋異常
		}
		TimeSeriesCollection timeseriescollection = new TimeSeriesCollection(timeseries);//timeseriescollection  時間數集變數
		return timeseriescollection;
	}
	/**
	 * 得到條形圖各小塊的個數
	 * @return 直方圖各小塊的個數
	 */
	/**
	 * 設定條形圖各小塊的個數
	 * @return 直方圖各小塊的個數
	 */
	/**
	 * 建立條形圖面板
	 * @param ChartPanel 圖形面板變數
	 * @return 返回直方圖面板
	 */
	public static JPanel createDemoPanel()
	{
		String Pictuer_name;
		Pictuer_name="Chart";
		return new ChartPanel(createChart(createDataset(),Pictuer_name));
	}

	public static void main(String args[])
	{
		/**
		 * 繪製條形圖
		 * @author cuit
		 * @return 返回直方圖
		 */
		String panel_name;
		panel_name="My Chart";
		XYBarChartDemo1 xybarchartdemo1 = new XYBarChartDemo1(panel_name);//xybarchartdemo1   構造方法例項變數
		xybarchartdemo1.pack();
		RefineryUtilities.centerFrameOnScreen(xybarchartdemo1);
		xybarchartdemo1.setVisible(true);
	}
}