curveshow.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 CurveShow 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;
  public int nAgentIndex=0;
  AsmModel local;//主程序的本地拷贝
  Choice choicelen = new Choice();
  Label label1 = new Label();
  Label label2 = new Label();
  Choice choiceItem1 = new Choice();
  Label label3 = new Label();
  Choice choiceItem2 = new Choice();

  Label lblAgent = new Label();
  Choice choiceAgent = new Choice();
  Label label5 = new Label();
  Label label6 = new Label();

  public CurveShow(AsmModel pd,int type1) {
    super("数据走向...");
    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(6, 26, 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);
      }
    });
    choicelen.setBounds(new Rectangle(69, 355, 94, 21));
    choicelen.addItemListener(new java.awt.event.ItemListener() {
      public void itemStateChanged(ItemEvent e) {
        choicelen_itemStateChanged(e);
      }
    });
    for(int i=0;i<40;i++){
       choicelen.addItem(Integer.toString((i+1)*100));
    }
    if(type==0){
      choiceItem1.addItem("股票价格");
      choiceItem2.addItem("股票价格");
      choiceItem1.addItem("股息");
      choiceItem2.addItem("股息");
      choiceItem1.addItem("风险中性价格");
      choiceItem2.addItem("风险中性价格");
      choiceItem2.addItem("无");
      choiceItem1.select(0);
      choiceItem2.select(2);
    }else if(type==1){
      for(int i=0;i<local.asmModelParams.numBFagents;i++){
        choiceAgent.addItem(Integer.toString(i));
      }
      choiceItem1.addItem("股票需求量");
      choiceItem1.addItem("总财富");
      choiceItem1.addItem("股票份额");
      choiceItem1.addItem("现金量");
      choiceItem1.addItem("规则平均特定度");
      choiceItem1.addItem("预测量");
      choiceItem1.addItem("预测偏差");
      choiceItem1.addItem("预测系数a");
      choiceItem1.addItem("预测系数b");

      choiceItem2.addItem("股票需求量");
      choiceItem2.addItem("总财富");
      choiceItem2.addItem("股票份额");
      choiceItem2.addItem("现金量");
      choiceItem2.addItem("规则平均特定度");
      choiceItem2.addItem("预测量");
      choiceItem2.addItem("预测偏差");
      choiceItem2.addItem("预测系数a");
      choiceItem2.addItem("预测系数b");
      choiceItem2.addItem("无");

      choiceItem1.select(0);
      choiceItem2.select(choiceItem2.getItemCount()-1);
    }
    label1.setText("显示长度：");
    label1.setBounds(new Rectangle(4, 360, 60, 12));
    label2.setText("观察项目1：");
    label2.setBounds(new Rectangle(171, 342, 70, 21));
    choiceItem1.setBounds(new Rectangle(239, 345, 122, 18));
    label3.setText("观察项目2：");
    label3.setBounds(new Rectangle(170, 369, 72, 15));
    choiceItem2.setBounds(new Rectangle(239, 367, 122, 18));
    lblAgent.setText("选择智能体编号：");
    lblAgent.setBounds(new Rectangle(435, 344, 107, 18));
    choiceAgent.setBounds(new Rectangle(436, 363, 94, 17));
    label5.setText("蓝色线");
    label5.setBounds(new Rectangle(364, 345, 47, 17));
    label6.setText("红色线");
    label6.setBounds(new Rectangle(364, 365, 40, 18));
    this.add(view, null);
    this.add(label2, null);
    this.add(choiceItem1, null);
    this.add(label3, null);
    this.add(choiceItem2, null);
    this.add(choicelen, null);
    this.add(label1, null);
    if(type==1){
        this.add(lblAgent, null);
        this.add(choiceAgent, null);
    }
    this.add(label5, null);
    this.add(label6, 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
    Vector history=new Vector();
    double value1max=100;
    double value1min=-100;
    double value2max=100;
    double value2min=-100;
    double valuemax=100;
    double valuemin=-100;
    boolean noneItem,isDrawn;
    String sName="";
    if(type==0){
        history=local.world.Histories;
    }else if(type==1){
        nAgentIndex=choiceAgent.getSelectedIndex();
        Agent ag=(Agent)local.agentList.elementAt(nAgentIndex);
        history=ag.History;
    }
    int width=517-originx-25;
    int height=316-originy;
    //int step=localpd.steps;
    int step=local.modelTime;
    int nStart=0;
    int nEnd=cycles;
    int size=history.size();
    if(step-cycles>0){
        //计算需要绘制的历史数据数组中的启示索引
        nStart=step-cycles;
    }
    //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
    noneItem=false;
   for(int i=0;i<cycles;i++){
      //当前点坐标
      isDrawn=true;
      int x1=(int)((i*width)/cycles);
      double value1=0;
      double value2=0;
      if((i+nStart)%cyclemax<size){
        if(type==0){
          WorldVariants wv=(WorldVariants)history.elementAt((i+nStart)%cyclemax);
          switch(choiceItem1.getSelectedIndex()){
          case 0:
            value1=wv.price;
            if(i==0)sName="价格";
            value1max=local.asmModelParams.maxprice;
            value1min=local.asmModelParams.minprice;
            break;
          case 1:
            value1=wv.dividend;
            if(i==0)sName="股息";
            value1max=local.asmModelParams.maxdividend;
            value1min=local.asmModelParams.mindividend;
            break;
          case 2:
            if(i==0)sName="股息/利息";
            value1=wv.risk_neutral;
            value1max=local.asmModelParams.maxprice;
            value1min=local.asmModelParams.minprice;
            break;
          }
          switch(choiceItem2.getSelectedIndex()){
          case 0:
            value2=wv.price;
            value2max=local.asmModelParams.maxprice;
            value2min=local.asmModelParams.minprice;
            break;
          case 1:
            value2=wv.dividend;
            if(i==0)sName+="-股息";
            value2max=local.asmModelParams.maxdividend;
            value2min=local.asmModelParams.mindividend;
            break;
          case 2:
            if(i==0)sName+="-股息/利息";
            value2=wv.risk_neutral;
            value2max=local.asmModelParams.maxprice;
            value2min=local.asmModelParams.minprice;
            break;
          case 3:
            noneItem=true;
            value2=value1min;
            value2max=value1max;
            value2min=value1min;
          }


        }else if(type==1){
          AgentVariants agv=(AgentVariants)history.elementAt((i+nStart)%cyclemax);
          if(i==0)sName=choiceItem1.getSelectedItem();
          switch (choiceItem1.getSelectedIndex()){
          case 0:
            value1=agv.demand;
            value1max=local.bfParams.maxbid;
            value1min=-value1max;
            break;
          case 1:
            value1=agv.wealth;
            value1max=local.asmModelParams.initialcash*10 + local.asmModelParams.maxprice*local.asmModelParams.initholding;
            value1min=0;
            break;
          case 2:
            value1=agv.position;
            value1max=local.asmModelParams.initholding;
            value1min=0;
            break;
          case 3:
            value1=agv.cash;
            value1max=local.asmModelParams.initialcash*10;
            value1min=0;
            break;
          case 4:
            value1=agv.avspecificity;
            value1max=local.bfParams.condbits;
            value1min=0;
            break;
          case 5:
            value1=agv.forecast;
            value1max=local.asmModelParams.maxprice;
            value1min=local.asmModelParams.minprice;
            break;
          case 6:
            value1=agv.realDeviation;
            value1max=local.asmModelParams.maxprice-local.asmModelParams.minprice;
            value1min=-value1max;
            break;
          case 7:
            value1=agv.pdcoeff;
            value1max=local.bfParams.a_max;
            value1min=0;
            break;
          case 8:
            value1=agv.offset;
            value1max=local.bfParams.b_max;
            value1min=local.bfParams.b_min;
            break;
          }
          switch (choiceItem2.getSelectedIndex()){
          case 0:
            value2=agv.demand;
            value2max=local.bfParams.maxbid;
            value2min=-value2max;
            break;
          case 1:
            value2=agv.wealth;
            value2max=local.asmModelParams.initialcash*10 + local.asmModelParams.maxprice*local.asmModelParams.initholding;;
            value2min=0;
            break;
          case 2:
            value2=agv.position;
            value2max=local.asmModelParams.initholding;
            value2min=0;
            break;
          case 3:
            value2=agv.cash;
            value2max=local.asmModelParams.initialcash*10;
            value2min=0;
            break;
          case 4:
            value2=agv.avspecificity;
            value2max=local.bfParams.condbits;
            value2min=0;
            break;
          case 5:
            value2=agv.forecast;
            value2max=local.asmModelParams.maxprice;
            value2min=local.asmModelParams.minprice;
            break;
          case 6:
            value2=agv.realDeviation;
            value2max=local.asmModelParams.maxprice-local.asmModelParams.minprice;
            value2min=-value1max;
            break;
          case 7:
            value2=agv.pdcoeff;
            value2max=local.bfParams.a_max;
            value2min=0;
            break;
          case 8:
            value2=agv.offset;
            value2max=local.bfParams.b_max;
            value2min=local.bfParams.b_min;
            break;
          case 9:
            noneItem=true;
            value2=value1min;
            value2max=value1max;
            value2min=value1min;
          }
         if(i==0&&!noneItem)sName+="-"+choiceItem2.getSelectedItem();
        }
      }else{
        isDrawn=false;
        value1=valuemin;
        value2=valuemin;
      }
      valuemax=value1max;
      valuemin=value1min;
      if(!noneItem){
        if(valuemax<value2max)valuemax=value2max;
        if(valuemin>value2min)valuemin=value2min;
      }
      if(valuemax==valuemin)valuemin=valuemax-100;

      int y1=(int)(height*(value1-valuemin)/(valuemax-valuemin));
      //绘制合作者比例
      if(y1<=0){
        y1=1;
      }else if(y1>=height){
        y1=height;
      }
      if(isDrawn){
        gra.setColor(Color.blue);
        gra.drawLine(x+originx,height-y,x1+originx,height-y1);
      }
      //绘制不合作者比例
      int y2=(int)(height*(value2-valuemin)/(valuemax-valuemin));
      if(y2<=0){
        y2=1;
      }else if(y2>=height){
        y2=height;
      }

      if(isDrawn&&!noneItem){
        gra.setColor(Color.red);
        gra.drawLine(x+originx,height-y0,x1+originx,height-y2);
      }

      //前一点的坐标
      x=x1;
      y=y1;
      y0=y2;
    }

    //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("时间",width+originx,height);
    gra.drawString(sName,originx-35,originy/2);
    this.setTitle(sName+"（曲线图）");
    for(int i=0;i<10;i++){
        int x3=(int)(i*width/10)+originx;
        int y3=height;
        gra.drawLine(x3,y3,x3,y3-2);
        String txt;
        if(step>cycles){
          txt=Integer.toString((int)(step-cycles+i*cycles/10));
        }else{
          txt=Integer.toString((int)(i*cycles/10));
        }
        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);
        float num=(float)((double)(i*(valuemax-valuemin))/(double)10+valuemin);
        String txt=Float.toString(num);
        if(txt.length()>=5)txt=txt.substring(0,5);
        gra.drawString(txt,x3-30,y3+5);
    }
    super.paint(g);
  }
   void choicelen_itemStateChanged(ItemEvent e) {
    cycles=(choicelen.getSelectedIndex()+1)*100;
    repaint();
  }

  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){};
    }
  }
}