mainfrm.java

进程调度和存储管理模拟

package cn.edu.cauc.crab.ossimulate;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
import javax.swing.event.*;
import javax.swing.border.*;

/**
 * <p>Title: OS simulate</p>
 * <p>Description: This is my home work.</p>
 * <p>Copyright: Copyleft (c) 2004</p>
 * <p>Company: CAUC</p>
 * @author Crab
 * @version 0.1
 */

public class MainFrm extends JFrame {

    ProcessSchedule pSch;
    PageReplacement pR;

    private JPanel contentPane;
    private XYLayout xYLayout1 = new XYLayout();
    private JTabbedPane mainJDP = new JTabbedPane();
    private JPanel processJP = new JPanel();
    private JPanel aboutJP = new JPanel();
    private XYLayout xYLayout2 = new XYLayout();
    private JScrollPane jScrollPane1 = new JScrollPane();
    private JTextArea outJTA = new JTextArea();
    private JRadioButton FCFS = new JRadioButton();
    private JRadioButton SPF = new JRadioButton();
    private JRadioButton FPF = new JRadioButton();
    private JRadioButton jRadioButton4 = new JRadioButton();
    private JRadioButton TF = new JRadioButton();
    private ButtonGroup buttonGroup1 = new ButtonGroup();
    private JButton makeListBT = new JButton();
    private JSlider tf = new JSlider();
    private JLabel second = new JLabel();
    private JLabel jLabel2 = new JLabel();
    private TitledBorder titledBorder1;
    private JLabel jLabel1 = new JLabel();
    private JButton start = new JButton();
    private XYLayout xYLayout3 = new XYLayout();
    private JScrollPane jScrollPane2 = new JScrollPane();
    private JTextArea about = new JTextArea();
    private JPanel memoryJP = new JPanel();
    private XYLayout xYLayout4 = new XYLayout();
    private JScrollPane jScrollPane3 = new JScrollPane();
    private JTextArea out = new JTextArea();
    private JRadioButton LRU = new JRadioButton();
    private JRadioButton FIFO = new JRadioButton();
    private ButtonGroup buttonGroup2 = new ButtonGroup();
    private JSlider memory = new JSlider();
    private JLabel mL = new JLabel();
    private JButton makePLBT = new JButton();
    private JButton pageBeginBT = new JButton();

    //Construct the frame
    public MainFrm() {
        enableEvents(AWTEvent.WINDOW_EVENT_MASK);
        try {
            jbInit();
        }
        catch(Exception e) {
            e.printStackTrace();
        }
    }
    //Component initialization
    private void jbInit() throws Exception  {
        //setIconImage(Toolkit.getDefaultToolkit().createImage(MainFrm.class.getResource("[Your Icon]")));
        contentPane = (JPanel) this.getContentPane();
        titledBorder1 = new TitledBorder("");
        contentPane.setLayout(xYLayout1);
        this.setSize(new Dimension(683, 448));
        this.setTitle("操作系统模拟");
        processJP.setLayout(xYLayout2);
        FCFS.setActionCommand("FCFS");
        FCFS.setSelected(true);
        FCFS.setText("先来先服务");
        FCFS.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(ActionEvent e) {
                FCFS_actionPerformed(e);
            }
        });
        SPF.setActionCommand("SPF");
        SPF.setText("短进程/作业优先");
        SPF.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(ActionEvent e) {
                SPF_actionPerformed(e);
            }
        });
        FPF.setActionCommand("FPF");
        FPF.setText("高响应比优先");
        FPF.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(ActionEvent e) {
                FPF_actionPerformed(e);
            }
        });
        jRadioButton4.setText("jRadioButton4");
        TF.setActionCommand("TF");
        TF.setText("时间片轮转");
        TF.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(ActionEvent e) {
                TF_actionPerformed(e);
            }
        });
        makeListBT.setActionCommand("makeListBT");
        makeListBT.setText("生成进程/作业队列");
        makeListBT.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(ActionEvent e) {
                makeListBT_actionPerformed(e);
            }
        });
        second.setText("0");
        jLabel2.setText("秒");
        tf.addChangeListener(new javax.swing.event.ChangeListener() {
            public void stateChanged(ChangeEvent e) {
                tf_stateChanged(e);
            }
        });
        tf.setMinimum(1);
        tf.setEnabled(false);
        tf.setBorder(BorderFactory.createLineBorder(Color.black));
        processJP.setBorder(BorderFactory.createEtchedBorder());
        jLabel1.setText("时间片：");
        start.setActionCommand("start");
        start.setText("开  始  模  拟");
        start.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(ActionEvent e) {
                start_actionPerformed(e);
            }
        });
        aboutJP.setLayout(xYLayout3);
        about.setEditable(false);
        about.setText("需求说明，用户手册：刘德焕 020341514\n总体设计，界面接口：李俊伟 020341511\n详细设计，编程实现：刘登科 020341515\n软件测试，软件维护：黄  博 020341507");
        outJTA.setEditable(false);
        memoryJP.setLayout(xYLayout4);
        LRU.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(ActionEvent e) {
                LRU_actionPerformed(e);
            }
        });
        LRU.setText("最近最久未使用");
        LRU.setActionCommand("LRU");
        FIFO.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(ActionEvent e) {
                FIFO_actionPerformed(e);
            }
        });
        FIFO.setText("先入先出");
        FIFO.setActionCommand("FIFO");
        FIFO.setSelected(true);
        memory.setMaximum(10);
        memory.setMinimum(3);
        memory.setValue(3);
        memory.setBorder(BorderFactory.createEtchedBorder());
        memory.addChangeListener(new javax.swing.event.ChangeListener() {
            public void stateChanged(ChangeEvent e) {
                memory_stateChanged(e);
            }
        });
        mL.setText("内存：" + memory.getValue());
        makePLBT.setText("建立页面申请列表");
        makePLBT.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(ActionEvent e) {
                makePLBT_actionPerformed(e);
            }
        });
        pageBeginBT.setText("开  始  模  拟");
        pageBeginBT.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(ActionEvent e) {
                pageBeginBT_actionPerformed(e);
            }
        });
        contentPane.add(mainJDP,                            new XYConstraints(3, 2, 671, 418));
        mainJDP.add(aboutJP,  "关于作者");
        mainJDP.add(processJP,  "进程/作业模拟");
        processJP.add(jScrollPane1,              new XYConstraints(152, 4, 492, 342));
        processJP.add(FCFS, new XYConstraints(14, 7, 130, 23));
        processJP.add(SPF, new XYConstraints(14, 31, 130, 23));
        processJP.add(jRadioButton4, new XYConstraints(72, 7, 1, 47));
        processJP.add(FPF, new XYConstraints(14, 54, 130, 23));
        processJP.add(TF, new XYConstraints(14, 78, 130, 23));
        processJP.add(makeListBT, new XYConstraints(14, 114, 134, 23));
        processJP.add(tf,    new XYConstraints(14, 173, 134, 23));
        processJP.add(jLabel1,     new XYConstraints(15, 146, 63, 17));
        processJP.add(jLabel2,  new XYConstraints(124, 146, 19, 20));
        processJP.add(second, new XYConstraints(68, 146, 44, 19));
        processJP.add(start,        new XYConstraints(14, 223, 134, 23));
        mainJDP.add(memoryJP,  "内存页面调度");
        jScrollPane1.getViewport().add(outJTA, null);
        buttonGroup1.add(FCFS);
        buttonGroup1.add(SPF);
        buttonGroup1.add(FPF);
        buttonGroup1.add(TF);
        aboutJP.add(jScrollPane2,      new XYConstraints(91, 11, 415, 358));
        jScrollPane2.getViewport().add(about, null);
        memoryJP.add(jScrollPane3, new XYConstraints(190, 18, 308, 347));
        memoryJP.add(LRU,   new XYConstraints(10, 141, 130, 23));
        memoryJP.add(FIFO,   new XYConstraints(10, 103, 130, 23));
        jScrollPane3.getViewport().add(out, null);
        buttonGroup2.add(LRU);
        buttonGroup2.add(FIFO);
        memoryJP.add(memory,    new XYConstraints(10, 62, 109, 27));
        memoryJP.add(mL, new XYConstraints(10, 28, 100, 19));
        memoryJP.add(makePLBT,      new XYConstraints(10, 178, 138, 28));
        memoryJP.add(pageBeginBT,        new XYConstraints(10, 221, 138, 28));
    }
    //File | Exit action performed
    public void jMenuFileExit_actionPerformed(ActionEvent e) {
        System.exit(0);
    }
    //Help | About action performed
    public void jMenuHelpAbout_actionPerformed(ActionEvent e) {
        MainFrm_AboutBox dlg = new MainFrm_AboutBox(this);
        Dimension dlgSize = dlg.getPreferredSize();
        Dimension frmSize = getSize();
        Point loc = getLocation();
        dlg.setLocation((frmSize.width - dlgSize.width) / 2 + loc.x, (frmSize.height - dlgSize.height) / 2 + loc.y);
        dlg.setModal(true);
        dlg.pack();
        dlg.show();
    }
    //Overridden so we can exit when window is closed
    protected void processWindowEvent(WindowEvent e) {
        super.processWindowEvent(e);
        if (e.getID() == WindowEvent.WINDOW_CLOSING) {
            jMenuFileExit_actionPerformed(null);
        }
    }

    void TF_actionPerformed(ActionEvent e) {
        tf.enable();
    }

    void tf_stateChanged(ChangeEvent e) {
        second.setText("" + tf.getValue());
    }

    void FCFS_actionPerformed(ActionEvent e) {
        tf.disable();
    }

    void SPF_actionPerformed(ActionEvent e) {
        tf.disable();
    }

    void FPF_actionPerformed(ActionEvent e) {
        tf.disable();
    }

    void makeListBT_actionPerformed(ActionEvent e) {
        if (FCFS.isSelected())
            pSch = new FCFSProcessSchedule(outJTA);
        else if (SPF.isSelected())
            pSch = new SPFProcessSchedule(outJTA);
        else if (FPF.isSelected())
            pSch = new FPFProcessSchedule(outJTA);
        else if (TF.isSelected())
            pSch = new TFProcessSchedule(tf.getValue(), outJTA);

        MakeListDLG dlg = new MakeListDLG(this, pSch);

        //Center the window
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        Dimension frameSize = dlg.getSize();
        if (frameSize.height > screenSize.height) {
            frameSize.height = screenSize.height;
        }
        if (frameSize.width > screenSize.width) {
            frameSize.width = screenSize.width;
        }
        dlg.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);

        dlg.show();
    }

    void start_actionPerformed(ActionEvent e) {
        outJTA.setText("");
        pSch.start();
    }
    void LRU_actionPerformed(ActionEvent e) {

    }
    void FIFO_actionPerformed(ActionEvent e) {

    }

    void memory_stateChanged(ChangeEvent e) {
        mL.setText("内存：" + memory.getValue());
    }

    void makePLBT_actionPerformed(ActionEvent e) {

        if (FIFO.isSelected())
            pR = new FIFOPageReplacement(memory.getValue(), out);
        else if (LRU.isSelected())
            pR = new LRUPageReplacement(memory.getValue(), out);

        makePLDLG dlg = new makePLDLG(this, pR);

        //Center the window
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        Dimension frameSize = dlg.getSize();
        if (frameSize.height > screenSize.height) {
            frameSize.height = screenSize.height;
        }
        if (frameSize.width > screenSize.width) {
            frameSize.width = screenSize.width;
        }
        dlg.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2);

        dlg.show();
    }

    void pageBeginBT_actionPerformed(ActionEvent e) {
        out.setText("");
        pR.start();
    }
}