configer.java

java实现的基本蚁群算法

package ant;

import java.awt.Frame;
import java.awt.*;
import java.awt.event.*;

/**
 * Title:        ant
 * Description:
 * Copyright:    Copyright (c) 2003
 * Company:      agents.yeah.net
 * @author jake
 * @version 1.0
 */

public class Configer extends Frame {
  //设置面板，主要是从主程序中把数据读出来，然后更改记录数据
  Antcolony local;
  TextField ant_txt;
  TextField Max_txt;
  TextField Mind_txt;
  TextField Minid_txt;
  TextField Food_txt;
  Choice del_ch;
  Button btnDefault;
  Button btnConfirm;
  Button btnCancel;
  Button btnSetInd;
  double min_dis=-1;
  int minid;
  public int AntCount;
  public ant ants[];
  public Configer(Antcolony ants) {
    super("设置参数");
    try {
      local=ants;
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  private void jbInit() throws Exception {
    this.addWindowListener(new java.awt.event.WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        this_windowClosing(e);
      }
    });

      setLayout(new BorderLayout());
      Panel pan=new Panel();
      btnConfirm=new Button("确定");
      btnCancel=new Button("取消");
      btnDefault=new Button("重置");
      btnSetInd=new Button("设置个体属性");
      this.add("South",pan);
      pan.add(btnConfirm);
      pan.add(btnCancel);
      pan.add(btnDefault);
      Panel pancenter=new Panel();
      this.add("Center",pancenter);
      pancenter.setLayout(new GridLayout(7,2,0,0));
      this.add("North",new Label("设置环境的属性以及蚂蚁的个体属性"));
      pancenter.add(new Label("蚂蚁的数量"));
      ant_txt=new TextField(10);
      pancenter.add(ant_txt);
      pancenter.add(new Label("最大信息素"));
      Max_txt=new TextField(20);
      pancenter.add(Max_txt);
      pancenter.add(new Label("食物释放信息的半径："));
      Food_txt=new TextField(20);
      pancenter.add(Food_txt);
      pancenter.add(new Label("信息素消减速度："));
      del_ch=new Choice();
      pancenter.add(del_ch);
      for(int i=1;i<=10;i++){
           del_ch.addItem(Integer.toString(i));
      }
      pancenter.add(new Label("找到的最小路径长："));
      Mind_txt=new TextField(20);
      Mind_txt.setEditable(false);
      pancenter.add(Mind_txt);
      pancenter.add(new Label("找到的最小路的蚂蚁："));
      Minid_txt=new TextField(20);
      Minid_txt.setEditable(false);
      pancenter.add(Minid_txt);

      pancenter.add(btnSetInd);
      setDefault();
      ant_txt.addTextListener(new java.awt.event.TextListener() {
        public void textValueChanged(TextEvent e) {
          ant_txt_textValueChanged(e);
        }
      });
  }

  void this_windowClosing(WindowEvent e) {
    this.hide();
    this.dispose();
  }
  public boolean action(Event evt, Object o) {
    if (evt.target == btnDefault) {
      setDefault();
      return true;
    }else if(evt.target == btnSetInd){
      SetInd ctl = new SetInd(this);
      ctl.setSize(300,300);
      ctl.show();
    }else if(evt.target==btnConfirm){
      int t;
      if(AntCount>0){
          local.antCount=AntCount;
      }
      t=Integer.valueOf(Max_txt.getText()).intValue();
      if(t>=0){
        local.Max_Pheromone=t;
      }
      t=Integer.valueOf(Food_txt.getText()).intValue();
      if(t>=0){
        local.FoodR=t;
      }
      local.Delimiter=del_ch.getSelectedIndex();
      //更新蚂蚁的属性
      local.ants=new ant[AntCount];
      for(int i=0;i<AntCount;i++){
        local.ants[i]=new ant(new Point(0,0),0,i,local,local.ANT_COLOR,0,0);
        local.ants[i].clone(ants[i]);
      }

      //初始化程序
      local.reinit();
      this.hide();
      this.dispose();
      return true;
    }else if(evt.target==btnCancel){
      this.hide();
      this.dispose();
      return true;
    }
    return false;
  }
  private void setDefault(){
    ant_txt.setText(Integer.toString(local.antCount));
    AntCount=Integer.valueOf(ant_txt.getText()).intValue();
    Max_txt.setText(Integer.toString(local.Max_Pheromone));
    Food_txt.setText(Integer.toString(local.FoodR));
    del_ch.select(local.Delimiter-1);
    copy_ants();
    String s;
    if(min_dis>=0){
      s=Double.toString(min_dis);
      Mind_txt.setText(s);
      Minid_txt.setText(Integer.toString(minid));
    }

  }

  void ant_txt_textValueChanged(TextEvent e) {
    int tmp=AntCount;
    AntCount=Integer.valueOf(ant_txt.getText()).intValue();
    if(AntCount<0){
      AntCount=tmp;
      setDefault();
      return;
    }
    if(AntCount>local.antCount){
      copy_ants();
    }
  }
  public void copy_ants(){
      //重新拷贝蚂蚁的状态，并且新的蚂蚁置为空值
      ants=new ant[AntCount];
      for(int i=0;i<AntCount;i++){
        ants[i]=new ant(new Point(0,0),0,i,local,local.ANT_COLOR,0,0);
        if(i<local.antCount){
          ants[i].clone(local.ants[i]);
          //找总路径最短的蚂蚁。
          if(min_dis<0||(ants[i].Min_distance<min_dis&&ants[i].Min_distance>=0)){
            min_dis=ants[i].Min_distance;
            minid=i;
          }
        }
      }
  }
}