filelist.java

设计模式迷你手册,有说明和类图

import java.awt.event.*;
import com.sun.java.swing.*;
import com.sun.java.swing.event.*;
import com.sun.java.swing.text.*;
import com.sun.java.swing.border.*;
import com.sun.java.accessibility.*;

import java.awt.*;
import java.awt.event.*;
import java.util.*;

import java.io.*;

public class FileList extends RestList
{
   String files[];
   private Chain nextChain;

   public FileList()
   {    
   super();
   setBorder(new CompoundBorder(new EmptyBorder(5,5,5,5), new LineBorder(Color.black)));
   String tmp = "";
   File dir = new File(System.getProperty("user.dir"));
   files = dir.list();
   for(int i = 0; i < files.length; i++)
      {
      for(int j = i; j < files.length; j++)
        {
        if(files[i].toLowerCase().compareTo(files[j].toLowerCase()) > 0)
         {
            tmp = files[i];
            files[i] = files[j];
            files[j] = tmp;
         }
        }
      }
   for(int i = 0; i<files.length; i++)
      add(files[i]);
   }
//---------------------------------------
   public void sendToChain(String mesg)
   {
   
   boolean found = false;
   int i = 0; 
   while ((! found) && (i < files.length))
   {   
      XFile xfile = new XFile(files[i]);
      found = xfile.matchRoot(mesg);
      if (! found) i++;
   }
   if(found)
      {
      setSelectedIndex(i);
      }
   else
   {
      if(nextChain != null)
         nextChain.sendToChain(mesg);
   }
  }
//------------------------------------------
public void addChain(Chain c)
{
   nextChain = c;    //next in chain of resp
}
}