// Copyright (C) 2002-2005 Ultr@VNC Team.  All Rights Reserved.
// Copyright (C) 2004 Kenn Min Chong, John Witchel.  All Rights Reserved.
//
//This is free software; you can redistribute it and/or modify
//it under the terms of the GNU General Public License as published by
//the Free Software Foundation; either version 2 of the License, or
//(at your option) any later version.
//
//This software is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with this software; if not, write to the Free Software
//Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
//USA.
//


import javax.swing.JFrame;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.ArrayList;
import java.util.Vector;
import javax.swing.*;


/*
 * Created on Feb 25, 2004
 *
 */

/**
 * @author John Witchel, Kenn Min Chong
 *
 */
public class FTPFrame extends JFrame implements ActionListener, MouseListener {
	VncViewer viewer;

	private javax.swing.JPanel jContentPane = null;
	private javax.swing.JPanel topPanel = null;
	private javax.swing.JPanel topPanelLocal = null;
	private javax.swing.JPanel topPanelRemote = null;
	private javax.swing.JPanel topPanelCenter = null;
	private javax.swing.JPanel statusPanel = null;
	private javax.swing.JPanel remotePanel = null;
	private javax.swing.JPanel localPanel = null;
	private javax.swing.JPanel buttonPanel = null;
	private javax.swing.JButton sendButton = null;
	private javax.swing.JButton receiveButton = null;
	private javax.swing.JButton deleteButton = null;
	private javax.swing.JButton newFolderButton = null;
	private javax.swing.JButton stopButton = null;
	private javax.swing.JButton closeButton = null;
	private javax.swing.JButton dummyButton = null;
	private javax.swing.JComboBox localDrivesComboBox = null;
	private javax.swing.JComboBox remoteDrivesComboBox = null;
	private javax.swing.JTextField localMachineLabel = null;
	private javax.swing.JTextField remoteMachineLabel = null;
	private javax.swing.JButton localTopButton = null;
	private javax.swing.JButton remoteTopButton = null;
	private javax.swing.JScrollPane localScrollPane = null;
	private javax.swing.JList localFileTable = null;
	private javax.swing.JScrollPane remoteScrollPane = null;
	private javax.swing.JList remoteFileTable = null;
	private javax.swing.JTextField remoteLocation = null;
	private javax.swing.JTextField localLocation = null;
	private javax.swing.JTextField localStatus = null;
	public javax.swing.JTextField remoteStatus = null;
	public javax.swing.JComboBox historyComboBox = null;
	public javax.swing.JProgressBar jProgressBar = null;
	public javax.swing.JTextField connectionStatus = null;
	public boolean updateDriveList;
	private Vector remoteList = null;
	private Vector localList = null;
	private File currentLocalDirectory = null;	// Holds the current local Directory
	private File currentRemoteDirectory = null;	// Holds the current remote Directory
	private File localSelection = null;		// Holds the currently selected local file  
	private String remoteSelection = null;	// Holds the currently selected remote file
	public String selectedTable = null;
	
//	 sf@2004 - Separate directories and files for better lisibility
	private ArrayList DirsList;
	private ArrayList FilesList;	

	public static void main(String[] args) {
	}
	/**
	 * This is the default constructor
	 
	public FTPFrame() {
		super();
		initialize();
	}
	*/

	/**
	 * This is Kenn's Constructor
	 *
	 */
	FTPFrame(VncViewer v) {
		super("Ultr@VNC File Transfer");
		viewer = v;
		// this.setUndecorated(true); // sf@2004
		this.setResizable(false);  // sf@2004
		setSize(320, 240);
		
		// sf@2004
		DirsList = new ArrayList();
		FilesList = new ArrayList();
		
		initialize();
	}
	
	 /* Refreshing local and remote directory lists
	  * after an operation has been performed
	 */
	 void refreshLocalLocation()
	 {
	 	File f = new File(localLocation.getText());
	 	this.changeLocalDirectory(f);
	 }
	 
	 void refreshRemoteLocation()
	 {
		remoteList.clear();
		remoteFileTable.setListData(remoteList);	
		viewer.rfb.readServerDirectory(remoteLocation.getText());
	 }
	 
	/*
	 * Prints the list of drives on the remote directory and returns a String[].  
	 * str takes as string like A:fC:lD:lE:lF:lG:cH:c
	 * in the form Drive Letter:Drive Type where 
	 * f = floppy, l = local drive, c=CD-ROM, n = network
	 */
	String[] printDrives(String str) {
		System.out.println(str);
		updateDriveList = true;
		remoteDrivesComboBox.removeAllItems();
		int size = str.length();
		String driveType = null;
		String[] drive = new String[str.length() / 3];

		// Loop through the string to create a String[]
		for (int i = 0; i < size; i = i + 3) {
			drive[i / 3] = str.substring(i, i + 2);
			driveType = str.substring(i + 2, i + 3);
			if (driveType.compareTo("f") == 0)
				drive[i / 3] += "\\ Floppy";
			if (driveType.compareTo("l") == 0)
				drive[i / 3] += "\\ Local Disk";
			if (driveType.compareTo("c") == 0)
				drive[i / 3] += "\\ CD-ROM";
			if (driveType.compareTo("n") == 0)
				drive[i / 3] += "\\ Network";

			remoteDrivesComboBox.addItem(drive[i / 3]);
		}
		//sf@ - Select Drive C:as default if possible
		boolean bFound = false;
		for(int i = 0; i < remoteDrivesComboBox.getItemCount() ; i++)
		{
			if(remoteDrivesComboBox.getItemAt(i).toString().substring(0,1).toUpperCase().equals("C"))
			{
				remoteDrivesComboBox.setSelectedIndex(i);
				bFound = true;
			}
		}
		if (!bFound) remoteDrivesComboBox.setSelectedIndex(0);
		updateDriveList = false;
		return drive;
	}
	
	/*Disable buttons/lists while file transfer is in progress*/
	
	public void disableButtons()
	{
		closeButton.setEnabled(false);
		deleteButton.setEnabled(false);
		localTopButton.setEnabled(false);
		newFolderButton.setEnabled(false);
		stopButton.setVisible(true);
		stopButton.setEnabled(true);
		receiveButton.setEnabled(false);
		remoteTopButton.setEnabled(false);
		sendButton.setEnabled(false);
		remoteFileTable.setEnabled(false);
		localFileTable.setEnabled(false);	
		localLocation.setEnabled(false);
		remoteLocation.setEnabled(false);	
		remoteDrivesComboBox.setEnabled(false);
		localDrivesComboBox.setEnabled(false);
		setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE); // sf@2004
		
	}
	/*Enable buttons/lists after file transfer is done*/
	
	public void enableButtons()
	{
		closeButton.setEnabled(true);
		deleteButton.setEnabled(true);
		localTopButton.setEnabled(true);
		newFolderButton.setEnabled(true);
		stopButton.setVisible(false);
		stopButton.setEnabled(false);
		receiveButton.setEnabled(true);
		remoteTopButton.setEnabled(true);
		sendButton.setEnabled(true);
		remoteFileTable.setEnabled(true);
		localFileTable.setEnabled(true);
		localLocation.setEnabled(true);		
		remoteLocation.setEnabled(true);
		remoteDrivesComboBox.setEnabled(true);
		localDrivesComboBox.setEnabled(true);
		// setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE); // sf@2004
	}

	/*
	 * Print Directory prints out all the contents of a directory
	 */
	void printDirectory(ArrayList a) {

		for (int i = 0; i < a.size(); i++) {
			remoteList.addElement(a.get(i));
		}
		remoteFileTable.setListData(remoteList);
	}

	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	private void initialize() {
		this.setSize(794, 500);
		this.setContentPane(getJContentPane());
		updateDriveList = true;
		}
	/**
	 * This method initializes jContentPane.  This is the main content pane
	 * 
	 * @return javax.swing.JPanel
	 */
	private javax.swing.JPanel getJContentPane() {
		if (jContentPane == null) {
			jContentPane = new javax.swing.JPanel();
			jContentPane.setLayout(new java.awt.BorderLayout());
			jContentPane.add(getTopPanel(), java.awt.BorderLayout.NORTH);
			jContentPane.add(getStatusPanel(), java.awt.BorderLayout.SOUTH);
			jContentPane.add(getRemotePanel(), java.awt.BorderLayout.EAST);
			jContentPane.add(getLocalPanel(), java.awt.BorderLayout.WEST);
			jContentPane.add(getButtonPanel(), java.awt.BorderLayout.CENTER);
		}
		return jContentPane;
	}
	/**
	 * This method initializes topPanel
	 * 
	 * @return javax.swing.JPanel
	 */
	private javax.swing.JPanel getTopPanelLocal() {
		if (topPanelLocal == null) {
			topPanelLocal = new javax.swing.JPanel();
			topPanelLocal.setLayout(new java.awt.BorderLayout());
			topPanelLocal.setPreferredSize(new java.awt.Dimension(325, 22));
			topPanelLocal.add(getLocalDrivesComboBox(), java.awt.BorderLayout.WEST);
			topPanelLocal.add(getLocalMachineLabel(), java.awt.BorderLayout.CENTER);
			topPanelLocal.add(getLocalTopButton(), java.awt.BorderLayout.EAST);
			topPanelLocal.setBackground(java.awt.Color.lightGray);
		}
		return topPanelLocal;
	}
	
	/**
	 * This method initializes topPanelRemote
	 * 
	 * @return javax.swing.JPanel
	 */
	private javax.swing.JPanel getTopPanelRemote() {
		if (topPanelRemote == null) {
			topPanelRemote = new javax.swing.JPanel();
			topPanelRemote.setLayout(new java.awt.BorderLayout());
			topPanelRemote.setPreferredSize(new java.awt.Dimension(325, 20));
			topPanelRemote.add(getRemoteDrivesComboBox(), java.awt.BorderLayout.WEST);
			topPanelRemote.add(getRemoteMachineLabel(), java.awt.BorderLayout.CENTER);
			topPanelRemote.add(getRemoteTopButton(), java.awt.BorderLayout.EAST);
			topPanelRemote.setBackground(java.awt.Color.lightGray);
		}
		return topPanelRemote;
	}

	/**
	 * This method initializes topPanelRemote
	 * 
	 * @return javax.swing.JPanel
	 */
	private javax.swing.JPanel getTopPanelCenter() {
		if (topPanelCenter == null) {
			topPanelCenter = new javax.swing.JPanel();
			topPanelCenter.add(getDummyButton(), null);
		}
		return topPanelCenter;
	}
	
	/**
	 * This method initializes topPanel
	 * 
	 * @return javax.swing.JPanel
	 */
	private javax.swing.JPanel getTopPanel() {
		if (topPanel == null) {
			topPanel = new javax.swing.JPanel();
			topPanel.setLayout(new java.awt.BorderLayout());
			//sf@2004 - We manage 2 top panels
			topPanel.add(getTopPanelLocal(), java.awt.BorderLayout.WEST);
			// topPanel.add(getTopPanelCenter(), java.awt.BorderLayout.CENTER);
			topPanel.add(getTopPanelRemote(), java.awt.BorderLayout.EAST);
						
			/*
			topPanel.add(getLocalDrivesComboBox(), null);
			topPanel.add(getLocalMachineLabel(), null);
			topPanel.add(getLocalTopButton(), null);
			topPanel.add(getRemoteDrivesComboBox(), null);
			topPanel.add(getRemoteMachineLabel(), null);
			topPanel.add(getRemoteTopButton(), null);
			topPanel.setBackground(java.awt.Color.lightGray);
			*/
		}
		return topPanel;
	}

	/**
	 * This method initializes statusPanel
	 * 
	 * @return javax.swing.JPanel
	 */
	private javax.swing.JPanel getStatusPanel() {
		if (statusPanel == null) {
			statusPanel = new javax.swing.JPanel();
			statusPanel.setLayout(
				new javax.swing.BoxLayout(
					statusPanel,
					javax.swing.BoxLayout.Y_AXIS));
			statusPanel.add(getHistoryComboBox(), null);
			statusPanel.add(getJProgressBar(), null);
			statusPanel.add(getConnectionStatus(), null);
			statusPanel.setBackground(java.awt.Color.lightGray);
			
		}
		return statusPanel;
	}
	/**
	 * This method initializes remotePanel
	 * 
	 * @return javax.swing.JPanel
	 */
	private javax.swing.JPanel getRemotePanel() {
		if (remotePanel == null) {
			remotePanel = new javax.swing.JPanel();
			remotePanel.setLayout(
				new javax.swing.BoxLayout(
					remotePanel,
					javax.swing.BoxLayout.Y_AXIS));
			remotePanel.add(getRemoteLocation(), null);
			remotePanel.add(getRemoteScrollPane(), null);
			remotePanel.add(getRemoteStatus(), null);
			remotePanel.setBackground(java.awt.Color.lightGray);
		}
		return remotePanel;
	}
	/**
	 * This method initializes localPanel
	 * 
	 * @return javax.swing.JPanel
	 */
	private javax.swing.JPanel getLocalPanel() {
		if (localPanel == null) {
			localPanel = new javax.swing.JPanel();
			localPanel.setLayout(
				new javax.swing.BoxLayout(
					localPanel,
					javax.swing.BoxLayout.Y_AXIS));
			localPanel.add(getLocalLocation(), null);
			localPanel.add(getLocalScrollPane(), null);
			localPanel.add(getLocalStatus(), null);
			localPanel.setBackground(java.awt.Color.lightGray);
			localPanel.setComponentOrientation(
				java.awt.ComponentOrientation.UNKNOWN);
			localPanel.setName("localPanel");
		}
		return localPanel;
	}
	/**
	 * This method initializes buttonPanel
	 * 
	 * @return javax.swing.JPanel
	 */
	private javax.swing.JPanel getButtonPanel()
	{
		if (buttonPanel == null)
		{
			buttonPanel = new javax.swing.JPanel();
			buttonPanel.setLayout(null);
			buttonPanel.add(getReceiveButton(), null);
			buttonPanel.add(getNewFolderButton(), null);
			buttonPanel.add(getCloseButton(), null);
			buttonPanel.add(getDeleteButton(), null);
			buttonPanel.add(getSendButton(), null);
			buttonPanel.add(getStopButton(), null);
			buttonPanel.setBackground(java.awt.Color.lightGray);
		}
		return buttonPanel;
	}
	/**
	 * This method initializes sendButton
	 * 
	 * @return javax.swing.JButton
	 */
	private javax.swing.JButton getSendButton() {
		if (sendButton == null) {
			sendButton = new javax.swing.JButton();
			sendButton.setBounds(20, 30, 97, 25);
			sendButton.setText("Send >>");
			sendButton.setName("sendButton");
			sendButton.addActionListener(this);

		}
		return sendButton;
	}
	/**