remotefiletree.java

FTP客户端 实现了客户端与FTP服务器的连接。可以上传

package ftpclient;

import javax.swing.tree.*;
import javax.swing.filechooser.*;
import javax.swing.event.*;
import java.awt.Cursor;
import java.awt.Component;
import java.awt.Font;
import java.io.*;
import java.awt.*;
import javax.swing.*;
import java.util.*;
import java.awt.event.*;
import java.awt.event.MouseEvent;
import javax.swing.ImageIcon;
import java.awt.Component;
import java.awt.event.MouseAdapter;
import cmd.*;

public class RemoteFileTree
    extends JTree {
  protected DefaultTreeModel treeModel;
  protected FileSystemView fileSystemView; //建立文件系统视类对象
  protected DefaultMutableTreeNode root;
  protected Vector filesname;

  public RemoteFileTree(){
    Font myFont = new Font("宋体", 11, 12);
    root =
        new DefaultMutableTreeNode(new File("/"));
    treeModel = new DefaultTreeModel(root);

    this.setModel(treeModel);
    this.setFont(myFont);
    this.setRootVisible(true);
    this.setRowHeight(20);

    new PopInitial(this);

  }

  public void createNodes(DefaultMutableTreeNode top,Vector filesname) {
    DefaultMutableTreeNode file = null;
    for (int i = 2; i < filesname.size(); i++) {
      file = new DefaultMutableTreeNode(new File( (String) filesname.elementAt(
          i)));
      top.add(file);
      if(((String)filesname.elementAt(i)).indexOf(".")!=-1){
        file.setAllowsChildren(false);
      }else{
        DefaultMutableTreeNode useless=new DefaultMutableTreeNode(new File("."));
        file.add(useless);
      }
    }
  }
}

class TreeMouseListener
    extends MouseAdapter {
  private RemoteFileTree rft;
  private JPopupMenu jpp;
  public TreeMouseListener(RemoteFileTree rft,JPopupMenu jpp) {
    this.rft = rft;
    this.jpp=jpp;
  }

  public void mouseClicked(MouseEvent e) {
    int count = e.getClickCount();
    DefaultMutableTreeNode selectedNode
        = (DefaultMutableTreeNode) rft.getLastSelectedPathComponent();

    if((selectedNode!=null)&&(e.getButton() == e.BUTTON1)&&(count==1)&&!selectedNode.isRoot()&&!selectedNode.isLeaf()){
      String directory=selectedNode.getParent().toString();
      Vector clist = new Vector();
      Vector alist = new Vector();
      CommandArgument ca = new CommandArgument();
      ca.setArgument(directory,"");
      clist.addElement("Cwd");
      alist.addElement(ca);

      TransactionCommand tc = new TransactionCommand(clist, alist);
      CommandManager cm = new CommandManager(tc);
      cm.runCommands();
    }
    if ((selectedNode!=null)&&(e.getButton() == e.BUTTON1)&&count==2) {
      rft.updateUI();

      TreePath nodePath = rft.getSelectionModel().getSelectionPath();
      Object[] ob = nodePath.getPath();
      String filename = ob[nodePath.getPathCount() - 1].toString().trim();

     if ((selectedNode!=null)&&(nodePath.getLastPathComponent()!=null)&&nodePath.getPathCount()>=1) {
        //得到子文件
        Vector clist = new Vector();
        Vector alist = new Vector();
        CommandArgument ca = new CommandArgument();
        CommandArgument ca1 = new CommandArgument();
        ca.setArgument(ob[nodePath.getPathCount() - 1].toString().trim(),"");
        ca1.setArgument("", "");
        clist.addElement("Cwd");
        clist.addElement("List");
        alist.addElement(ca);
        alist.addElement(ca1);
        TransactionCommand tc = new TransactionCommand(clist, alist);
        CommandManager cm = new CommandManager(tc);
        cm.runCommands();
        Vector names = CommandReceiver.filesname;
        selectedNode.removeAllChildren();
        for (int i = 2; i < names.size(); i++) {
          DefaultMutableTreeNode newNode= new DefaultMutableTreeNode(new File(names.elementAt(i).toString().trim()));
          if(names.elementAt(i).toString().trim().indexOf(".")==-1){
            DefaultMutableTreeNode uselessNode = new DefaultMutableTreeNode(new File("."));
            System.out.println("这里"+uselessNode);
            newNode.setAllowsChildren(true);
            newNode.add(uselessNode);
            if(newNode.isLeaf())System.out.println("要命啊");
          }
          selectedNode.add(newNode);
          //System.out.println(names.elementAt(i).toString());
        }
        rft.updateUI();
      }
    }

    if(e.getButton()==e.BUTTON3) {
      int x = e.getX();
      int y = e.getY();
      int row = rft.getRowForLocation(x, y);
      jpp.show(rft,x,y);

    }
  }

}

class PopInitial{
  private RemoteFileTree rft1;
  public PopInitial(RemoteFileTree rft){
     rft1=rft;
     JPopupMenu jpp = new JPopupMenu();
     JMenuItem ii = new JMenuItem("下载");
     JMenuItem i2 = new JMenuItem("续传");
     jpp.add(ii);
     jpp.add(i2);
     rft.add(jpp);
     rft.addMouseListener(new TreeMouseListener(rft,jpp));
     ii.addActionListener(new ActionListener(){
       public void actionPerformed(ActionEvent evt){
         TreePath nodePath=rft1.getSelectionModel().getSelectionPath();
         Object[] ob=nodePath.getPath();
         //System.out.println(ob[2].toString().trim());
         Vector clist=new Vector();
         Vector alist=new Vector();
         CommandArgument ca= new CommandArgument();
         ca.setArgument(ob[nodePath.getPathCount()-1].toString().trim(),"");
         clist.addElement("Get");
         alist.addElement(ca);
         TransactionCommand tc = new TransactionCommand(clist, alist);
         CommandManager cm = new CommandManager(tc);
         cm.runCommands();
       }
     });
  }
}