polarshow.java

人工股市（Artificial Stock Market

package asm;


import java.awt.event.*;
import java.util.Vector;
import java.awt.*;
/**
 * Title:        Artificial Stock Market
 * Description:  人工模拟股市（来源：SFI的Swarm版本）的Java版本
 * Copyright:    Copyright (c) 2003
 * Company:      http://agents.yeah.net
 * @author jake
 * @version 1.0
 */

public class PolarShow extends Frame implements Runnable{

  Panel view = new Panel();
  Thread runner1;//定义独立线程
  Graphics gra;//在一个面板view上画图
  int cycles=100;//图中显示的横坐标数目
  int cyclemax;//主程序中定义的历史数据最大长度
  int originx=40;//画图区域原点的坐标
  int originy=20;
  int type;
  int itemCount=9;
  double maxvalue[];

  public int nAgentIndex=0;
  AsmModel local;//主程序的本地拷贝
  Label label2 = new Label();
  Choice choiceItem = new Choice();

  public PolarShow(AsmModel pd,int type1) {
    super("数据柱状图");
    local=pd;
    type=type1;
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  private void jbInit() throws Exception {
    this.setLayout(null);
    view.setBackground(Color.white);
    view.setBounds(new Rectangle(7, 25, 537, 316));
    this.setBackground(Color.gray);
    this.addWindowListener(new java.awt.event.WindowAdapter() {
      public void windowOpened(WindowEvent e) {
        this_windowOpened(e);
      }
      public void windowClosing(WindowEvent e) {
        this_windowClosing(e);
      }
    });

      choiceItem.addItem("股票需求量");
      choiceItem.addItem("总财富");
      choiceItem.addItem("股票份额");
      choiceItem.addItem("现金量");
      choiceItem.addItem("规则平均特定度");
      choiceItem.addItem("预测量");
      choiceItem.addItem("预测偏差");
      choiceItem.addItem("预测系数a");
      choiceItem.addItem("预测系数b");

    label2.setText("查看项目：");
    label2.setBounds(new Rectangle(11, 358, 66, 17));
    choiceItem.setBounds(new Rectangle(73, 355, 99, 18));
    maxvalue=new double[itemCount];
    for(int i=0;i<itemCount;i++){
        maxvalue[i]=0.01;
    }
    choiceItem.select(2);
    this.add(view, null);
    this.add(label2, null);
    this.add(choiceItem, null);
    this.pack();
    this.addWindowListener(new java.awt.event.WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        this_windowClosing(e);
      }
    });
  }

  void this_windowClosing(WindowEvent e) {
    this.hide();
    this.dispose();
  }
  void btnClose_actionPerformed(ActionEvent e) {
    this.hide();
    this.dispose();
  }
   void this_windowOpened(WindowEvent e) {
    gra=view.getGraphics();
    //cyclemax=WorldVariants.cycleMax;
    repaint();
    if(runner1==null){
      runner1=new Thread(this);
      runner1.start();
    }
  }
  public void paint(Graphics g) {
    /**@todo: Override this java.awt.Component method*/
    //画图函数
    int agCount=local.agentList.size();
    double values[]=new double[agCount];
    double maxval=0.01;
    for(int i=0;i<agCount;i++){
      Agent ag=(Agent)local.agentList.elementAt(i);
      switch (choiceItem.getSelectedIndex()){
      case 0:
        values[i]=ag.demand;
        break;
      case 1:
        values[i]=ag.wealth;
        break;
      case 2:
        values[i]=ag.position;
        break;
      case 3:
        values[i]=ag.cash;
        break;
      case 4:
        values[i]=ag.avspecificity;
        break;
      case 5:
        values[i]=ag.forecast;
        break;
      case 6:
        values[i]=Math.abs(ag.realDeviation);
        break;
      case 7:
        values[i]=ag.pdcoeff;
        break;
      case 8:
        values[i]=ag.offset;
        break;
      }

      if(values[i]>maxval){
        maxval=values[i];
      }
    }
    if(maxval>maxvalue[choiceItem.getSelectedIndex()]||maxval/maxvalue[choiceItem.getSelectedIndex()]<0.01){
      maxvalue[choiceItem.getSelectedIndex()]=maxval;
    }
    int width=517-originx-25;
    int height=316-originy;
    //清空画图区域
    gra.clearRect(0,0,517,316);

    //设定原点坐标
    int x=0,y=0,y0=height-originy;
    //对设定的要画的横坐标点数循环
   for(int i=0;i<agCount;i++){
      //当前点坐标
      int x1=(int)((i*width)/agCount);
      int x2=(int)(((i+1)*width)/agCount);
      double rect_height;
      if(maxvalue[choiceItem.getSelectedIndex()]!=0){
         rect_height=(double)values[i]/(double)maxvalue[choiceItem.getSelectedIndex()];
      }else{
        rect_height=0;
      }
      int rect_width=(int)(width/agCount)-3;
      gra.setColor(Color.blue);
      gra.fillRect(x1+originx+3,(int)((1-rect_height)*height),rect_width,(int)(rect_height*height));
    }

    //画坐标轴及其说明文字
    gra.setColor(Color.black);
    gra.drawLine(originx,height,width+originx,height);
    gra.drawLine(originx,height,originx,0);
    gra.drawString("Agent编号",width+originx,height);
    gra.drawString(choiceItem.getSelectedItem(),originx-40,originy/2);
    this.setTitle(choiceItem.getSelectedItem()+"（柱状图）");
    for(int i=0;i<agCount;i++){
        int x3=(int)(i*width/agCount)+originx;
        int y3=height;
        gra.drawLine(x3,y3,x3,y3-2);
        String txt;
        txt=Integer.toString((int)(i));
        gra.drawString(txt,x3,y3+12);
    }
    for(int i=0;i<=9;i++){
        int x3=originx;
        int y3=(int)((10-i)*height/10);
        gra.drawLine(x3,y3,x3+2,y3);
        String txt=Float.toString((float)((double)(i*maxvalue[choiceItem.getSelectedIndex()])/(double)10));
        if(txt.length()>=5)txt=txt.substring(0,5);
        gra.drawString(txt,x3-40,y3+10);
    }
    super.paint(g);
  }

  void btnRefresh_actionPerformed(ActionEvent e) {
    repaint();
  }
  public void stop() {
    if (runner1!=null)
    {
      // running = false;
        runner1.stop();
       runner1=null;
    }

  }
  public void run()   {
    while(true){
        repaint();
        try{Thread.sleep(1000);}catch(InterruptedException e){};
    }
  }
}