testcomp1.java

一个小型网络仿真器的实现

package janetsim.component;

import janetsim.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class TestComp1 extends SimComponent implements SimCommand,ActionListener {
  SimParameter parm1=null;
  SimParamDouble testparm=null;
  public TestComp1(String name,String aClass,Sim aSim,int x,int y) {
    super(name,aClass,aSim,x,y);

    SimParameter p=new SimParameter("param1",this,theSim.now(),false);
    addParameter(p);
    parm1=new SimParameter("param2",this,theSim.now(),true);
    addParameter(parm1);
    p=new SimParameter("dfdparsd asdd m2",this,theSim.now(),false);
    addParameter(p);
    testparm=new SimParamDouble("parsdf sd am2",this,theSim.now(),true,true,0);
    addParameter(testparm);
  }
  public void pause() {
    removeParameter(parm1);
  }
  public void start() {
    theSim.enqueue(new SimEvent(SimProvider.EV_PRIVATE+1,this,this,
      theSim.now()+SimClock.MSec2Tick(1),null));
  }
  public void reset() {
    testparm.setValue(0,theSim.now(),1);
    testparm.update(theSim.now());
  }
  public void action(SimEvent e) {
    testparm.setValue(Math.random(),theSim.now(),1);
    theSim.enqueue(new SimEvent(SimProvider.EV_PRIVATE+1,this,this,
      theSim.now()+SimClock.MSec2Tick(1),null));
  }
  public SimCommand querySimCommand(int selectedCount) {
    return this;
  }
  public void actionPerformed(ActionEvent e) {
    if(e.getActionCommand().equals("Item 1")) {
      removeParameter(parm1);
    }
    else if(e.getActionCommand().equals("Item 23")) {
      parm1=new SimParameter("par!!!am2",this,theSim.now(),true);
      addParameter(parm1);
    }
  }
  public java.util.List getCommand(Sim aSim,SimGUI aGUI) {
    java.util.List cmd=new java.util.ArrayList();

    JMenu menu=new JMenu("Menu 1");
    JMenuItem menuItem=new JMenuItem("Item 1");
    menuItem.addActionListener(this);
    menu.add(menuItem);
    menuItem=new JMenuItem("Item 23");
    menuItem.addActionListener(this);
    cmd.add(menu);
    cmd.add(menuItem);

    return cmd;
  }
}