wanderer.java

用java实现随机漫步问题的分析．详细内容见说明文档．

/*
 * WanderThread.java  Beta 1.0 Created on 2008年4月9日, 下午8:02
 *
 * Copyright 2007 Grassoft. All rights reserved.
 * 
 */

package wanderer;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.text.*;
import javax.swing.table.*;
import java.io.*;
import java.lang.System;

/**
 *
 * 程序主类，实现主面板的加载实现
 */
public class Wanderer extends JFrame {
    
    private int Widt , Heig ;
    private int Times ;
    public static int Expr  = 1;
    private boolean canshow ;//标记可否显示分布图
    public static ImageIcon icon ;
    private DefaultTableModel AnaTableModel ;
    private DefaultTableModel StaTableModel ;
    private String columnNames1[] = {"漫游序号","步数","初始位置","结束位置","耗时"};
    private String columnNames2[] = {"实验序号","漫游次数","棋盘大小","平均步数","平均耗时"};

    public Wanderer() {
        
        initComponents();
        
    }
    
    //该方法读取设定的地图长、宽及漫游次数，返回是否正确取值。
    private boolean getCondition() {
        
        Widt = Integer.parseInt((WidtField.getText().isEmpty() ? "0" : WidtField.getText()));
        Heig = Integer.parseInt((HeigField.getText().isEmpty() ? "0" : HeigField.getText()));

        if (Widt < 2 || Widt > 600) {
            ShowWFrame("请输入正确的长度！");
            return false;
        } else if (Heig < 2 || Heig > 600) {
            ShowWFrame("请输入正确的宽度！");
            return false;
        }

        if (TimesSelect1.isSelected()) {
            Times = 1;
        } else if (TimesSelect2.isSelected()) {
            Times = 10;
        } else if (TimesSelect3.isSelected()) {
            Times = 100;
        } else if (TimesSelect4.isSelected()) {
            Times = Integer.parseInt((TimesField.getText().isEmpty() ? "1" : TimesField.getText()));
            if (Times < 1) {
                ShowWFrame("请输入正确的次数！");
                return false;
            }
        }
        return true;
    }
    
    //此方法实现警告窗口的加载
    private void ShowWFrame(String s){
        WarningFrame wf = new WarningFrame();
        wf.setWords(s);
        setLocat(wf);
        wf.setVisible(true);
    }

    //清空表格
    public static void CleanTable(DefaultTableModel Table){
        
        int row = Table.getRowCount()-1;
        if (row >= 0) 
        for(int i=row;i>=0;--i){
            Table.removeRow(i);
            Table.setRowCount(i);
        }  
    }
    
    //设置窗体UI布局
    public static void setUI(){    
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    //设置窗口位置
    public static void setLocat(JFrame f){
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize() ;
        Dimension frameSize = f.getSize();
        f.setLocation((int)(screenSize.width-frameSize.width)/2, (int)(screenSize.height-frameSize.height)/2);
    }
    
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        TimesSelectGroup = new javax.swing.ButtonGroup();
        jPanel1 = new javax.swing.JPanel();
        jTabbedPane1 = new javax.swing.JTabbedPane();
        jScrollPane1 = new javax.swing.JScrollPane();
        icon = new ImageIcon(getClass().getResource("/wanderer/icon/bug_icon.gif"));
        AnaTable = new javax.swing.JTable(){
            public boolean isCellEditable(int rowindex,int colindex){
                return false;
            }
        }
        ;
        jScrollPane2 = new javax.swing.JScrollPane();
        StaTable = new javax.swing.JTable(){
            public   boolean   isCellEditable(int   rowindex,int   colindex){
                return   false;
            }
        }
        ;
        jPanel3 = new javax.swing.JPanel();
        CleanButton = new javax.swing.JButton();
        StartButton = new javax.swing.JButton();
        ShowpicButton = new javax.swing.JButton();
        jPanel4 = new javax.swing.JPanel();
        TimesSelect1 = new javax.swing.JRadioButton();
        TimesSelect2 = new javax.swing.JRadioButton();
        TimesSelect3 = new javax.swing.JRadioButton();
        HeigField = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        jLabel1 = new javax.swing.JLabel();
        WidtField = new javax.swing.JTextField();
        TimesField = new javax.swing.JTextField();
        TimesSelect4 = new javax.swing.JRadioButton();
        jLabel3 = new javax.swing.JLabel();
        jPanel5 = new javax.swing.JPanel();
        jLabel4 = new javax.swing.JLabel();
        versionInfo = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        jMenuBar1 = new javax.swing.JMenuBar();
        jMenu1 = new javax.swing.JMenu();
        StartMenuItem = new javax.swing.JMenuItem();
        CleanMenuItem = new javax.swing.JMenuItem();
        jSeparator1 = new javax.swing.JSeparator();
        jMenuItem1 = new javax.swing.JMenuItem();
        jSeparator2 = new javax.swing.JSeparator();
        ExitMenuItem = new javax.swing.JMenuItem();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Wanderer Analyzer");
        setBackground(new java.awt.Color(255, 255, 255));
        setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));
        setIconImage(icon.getImage());
        setResizable(false);

        jPanel1.setBorder(javax.swing.BorderFactory.createEtchedBorder());

        AnaTableModel = new DefaultTableModel(columnNames1, 0) ;
        AnaTable.setModel(AnaTableModel
        );
        AnaTable.getTableHeader().setReorderingAllowed(false);
        jScrollPane1.setViewportView(AnaTable);

        jTabbedPane1.addTab("分析", jScrollPane1);

        StaTableModel = new DefaultTableModel(columnNames2, 0) ;
        StaTable.setModel(StaTableModel);
        StaTable.getTableHeader().setReorderingAllowed(false);
        jScrollPane2.setViewportView(StaTable);

        jTabbedPane1.addTab("统计", jScrollPane2);

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jTabbedPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 485, Short.MAX_VALUE)
                .addContainerGap())
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jTabbedPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 218, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(14, Short.MAX_VALUE))
        );

        jPanel3.setBorder(javax.swing.BorderFactory.createEtchedBorder());

        CleanButton.setText("数据清空");
        CleanButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                CleanButtonActionPerformed(evt);
            }
        });

        StartButton.setText("开始漫步");
        StartButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                StartButtonActionPerformed(evt);
            }
        });

        ShowpicButton.setText("图形显示");
        ShowpicButton.setEnabled(false);
        ShowpicButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                ShowpicButtonActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
        jPanel3.setLayout(jPanel3Layout);
        jPanel3Layout.setHorizontalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel3Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(CleanButton)
                    .addComponent(StartButton, javax.swing.GroupLayout.PREFERRED_SIZE, 81, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(ShowpicButton))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        jPanel3Layout.setVerticalGroup(
            jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel3Layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(StartButton)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(CleanButton)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(ShowpicButton)
                .addContainerGap(21, Short.MAX_VALUE))
        );

        jPanel4.setBorder(javax.swing.BorderFactory.createEtchedBorder());

        TimesSelectGroup.add(TimesSelect1);
        TimesSelect1.setSelected(true);
        TimesSelect1.setText("漫游1次");

        TimesSelectGroup.add(TimesSelect2);
        TimesSelect2.setText("漫游10次");

        TimesSelectGroup.add(TimesSelect3);
        TimesSelect3.setText("漫游100次");

        HeigField.setDocument(new NumberLenghtLimited(4));

        jLabel2.setText("棋盘高(2-600)：");

        jLabel1.setText("棋盘宽(2-600)：");

        WidtField.setDocument(new NumberLenghtLimited(4));

        TimesField.setDocument(new NumberLenghtLimited(3));

        TimesSelectGroup.add(TimesSelect4);
        TimesSelect4.setText("自定义");

        jLabel3.setText("自定义漫游次数：");

        javax.swing.GroupLayout jPanel4Layout = new javax.swing.GroupLayout(jPanel4);