ftpwizard1.java

eclipse平台的CDT项目3.0版本的源代码

//Title:        Curriculum Development Tool
//Copyright:    Copyright (c) 2001
//Author:       David Bradford - [e-mail]
//Company:      Knowledge Weavers - http://medstat.med.utah.edu/kw/
//File:         FtpWizard2.java
//Description:  2rd page of Ftp Wizard

package cdt.projects.export.ftp;

import javax.swing.*;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
import java.util.Vector;

import cdt.wizard.*;
import cdt.gui.*;
import com.ibm.network.ftp.protocol.*;
import com.ibm.network.ftp.*;

/**
 * Welcome to page 2 of the incredible, amazing ftp wizard.  This is the page that lets
 * the user choose where to place the exported project.  All the functionality is here.
 * But, it could use some tweaks in the user interface that I have not had a chance to
 * add.
 *
 * @version 1.0
 * @author David Bradford<BR>
 *		   Brad Schaefer (<A HREF="mailto:[e-mail]">[e-mail]</A>)
 */
public class FtpWizard1 extends WizardFrame implements ActionListener,
													   ListSelectionListener {
	/** This is the ftp connection we use to get info from the server. */
	private FTPProtocol ftp;
	/** the directory we are in. */
	private JTextField pwd = new JTextField(30);
	/** button to create a new directory. */
	private FlatButton newDir;
	/** This button puts us up a directory.  ie cd .. */
	private FlatButton upDir;
	/** A button to specify a full directory */
	private FlatButton goDir;
	/** this is a list of all the folder in the current one. */
	private JList folders = new JList();

	/**
	 * This creates our second page in the ftp wizard.
	 *
	 * @param parent frame that is the owning this one.
	 */
	public FtpWizard1(JFrame parent) {
        super(parent);
		ftp = (FTPProtocol)getData().get("ftp");
		init();
	}

	/**
	 * Set up the layout.
	 */
	public void customize() {

		setTitle("FTP Wizard");
		setFrameLabel1("Choose output directory");
		showFinishButton(false);

		centerPanel.setLayout(new BorderLayout());

		JPanel dirInfo = new JPanel();
		String s = ftp.getCurrentDir(true);
		pwd.setEditable(false);
		pwd.setText(s);
		dirInfo.add(pwd);

		newDir = new FlatButton("N");
        newDir.setToolTipText("Create a new directory");
		newDir.addActionListener(this);
		dirInfo.add(newDir);

		upDir = new FlatButton("^");
        upDir.setToolTipText("Go up a directory");
		upDir.addActionListener(this);
		dirInfo.add(upDir);
		
		goDir = new FlatButton("go");
        goDir.setToolTipText("Go to a specified directory");
		goDir.addActionListener(this);
		dirInfo.add(goDir);

		centerPanel.add(dirInfo, BorderLayout.NORTH);

		createList();
		folders.addListSelectionListener(this);
		centerPanel.add(new JScrollPane(folders), BorderLayout.CENTER);

	}

	/**
	 * The user has pressed the next button lets save the directory they want to put the data in
	 * and bring up the next page in the wizard.
	 */
	public void nextAction() {
		String uploadDir = pwd.getText();
		putData("dir", uploadDir);
        setVisible(false);
		pushFrame(this);
        new FtpWizard2((JFrame)getData().get("parentFrame"));
	}

	/**
	 * This fills our list with the directories in the current directory.
	 */
	private void createList() {
		Vector v = ftp.getRemoteFileList();
		Vector dirs = new Vector();
		for(int i=0;i<v.size();i++) {
			FileInfo f = (FileInfo)v.elementAt(i);
			if(!f.isFile()) {
				dirs.add(f.getName());
			}
		}
		folders.setListData(dirs);
	}

	/**
	 * This is for when the user presses buttons.  It handles new directories and going up a
	 * directory.
	 *
	 * @param event Info about the button press.
	 */
	public void actionPerformed(ActionEvent event) {
		if(event.getSource() == newDir) {
			 String name = JOptionPane.showInputDialog(this, "Please enter name of new directory:");
			 if(name==null||name.equals("")) {
				 return;
			 }
			 ftp.makeDir(name, true);
			 ftp.changeDir(".", true);
			 createList();
		} else if(event.getSource() == upDir) {
			changeDir("..");
		} else if(event.getSource() == goDir) {
			String newPath = JOptionPane.showInputDialog(this, "Enter a pathname:", ftp.getCurrentDir(true));
			changeDir(newPath);
		}
	}
	
	/**
	 * Used for changing directories on the FTP server.
	 *
	 * @param newPath The relative or explicit path to change directories to.
	 */
	private void changeDir(String newPath) {
		if(null == newPath || newPath.equals("")) { return; }
		
		this.setCursor(new Cursor(Cursor.WAIT_CURSOR));

		  // 550 means the path was not found
		if(550 == ftp.changeDir(newPath, true)) {
			cdt.ErrorD.ErrorDlg.ErrorMsg("Unable to find path: " +newPath);
			ftp.changeDir(".", true);
		}

		createList();
		pwd.setText(ftp.getCurrentDir(true));
		
		this.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
	}

	/**
	 * This is for when they select something is the list.  We make the directory they selected
	 * the new current directory.
	 *
	 * @param event info about what was selected.
	 */
	public void valueChanged(ListSelectionEvent event) {
        this.setCursor(new Cursor(Cursor.WAIT_CURSOR));
		String dirName = (String)folders.getSelectedValue();
		ftp.changeDir(pwd.getText()+"/"+dirName, true);
		createList();
		pwd.setText(ftp.getCurrentDir(true));
        this.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
	}
}