package ZUpload;

import net.sf.jftp.net.*;
import java.util.ArrayList;
import java.io.*;
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.net.URL;

/*
 * Created on Aug 25, 2003
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */

/**
 * @author zhaodav
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class ZUpload extends JApplet implements ConnectionListener, ActionListener{
	protected FtpConnection con;
	protected boolean connected, bFileComplete;
	protected boolean bParamsSet;

	protected JFileChooser fcChooser;
	protected ArrayList alFiles;
	protected JButton bAddFile;
	protected JButton bRemoveFile;
	protected JButton bUpload;
	protected JList lFiles;
	protected Container contentPane;
	protected JProgressBar pbFile, pbTotal;
	protected JScrollPane spList;
	protected long lTotalSize, lTotalCompleteSize; // total size in bytes
	protected long lFileSize, lFileCompleteSize; // total size in bytes

	/* those four params have to be set */
	protected String param_host;
	protected String param_user;
	protected String param_pass; // password
	protected String param_path; // path on the server

	/* set this if u want to call a script after upload is complete */
	protected String param_postscript;


	public void init() {
		/* create new objects */

		bParamsSet = false;

		fcChooser = new JFileChooser();
		fcChooser.setMultiSelectionEnabled(true);

		bAddFile = new JButton("Ajouter");
		bAddFile.addActionListener(this);

		bRemoveFile = new JButton("Retirer");
		bRemoveFile.addActionListener(this);

		bUpload = new JButton("Télécharger");
		bUpload.addActionListener(this);

		pbFile = new JProgressBar();
		pbTotal = new JProgressBar();
		pbFile.setMinimum(0);
		pbFile.setMaximum(10000);
		pbTotal.setMinimum(0);
		pbTotal.setMaximum(10000);

		bFileComplete = true;

		lFiles = new JList();
		spList = new JScrollPane(lFiles);

		alFiles = new ArrayList();

		lTotalCompleteSize = lTotalSize =
			lFileSize = lFileCompleteSize = 0;

		/* set up layout */
		contentPane = this.getContentPane();

		GridBagLayout gridbag = new GridBagLayout();
		GridBagConstraints c = new GridBagConstraints();
		contentPane.setLayout(gridbag);


		c.fill = GridBagConstraints.HORIZONTAL;
		c.weightx = 0.5;
		c.gridx = 2;
		c.gridy = 1;
		c.insets = new Insets(40,0,0,0);
		gridbag.setConstraints(bAddFile, c);
		contentPane.add(bAddFile);

		c.weightx = 0.5;
		c.gridx = 2;
		c.gridy = 2;
		c.insets = new Insets(0,0,0,0);
		gridbag.setConstraints(bRemoveFile, c);
		contentPane.add(bRemoveFile);

		c.weightx = 0.5;
		c.gridx = 2;
		c.gridy = 3;
		c.insets = new Insets(0,0,0,0);
		gridbag.setConstraints(bUpload, c);
		contentPane.add(bUpload);

		c.weightx = 3;
		c.weighty = 5;
		c.anchor = GridBagConstraints.NORTH;
		c.fill = GridBagConstraints.BOTH;
		c.gridx = 0;
		c.gridy = 1;
		c.gridwidth = 1;
		c.gridheight = 4;
		c.insets = new Insets(0,0,0,0);
		gridbag.setConstraints(spList, c);
		contentPane.add(spList);

		c.fill = GridBagConstraints.HORIZONTAL;
		c.anchor = GridBagConstraints.SOUTH;
		c.weightx = 1;
		c.weighty = 0.2;
		c.gridx = 0;
		c.gridy = 5;
		c.insets = new Insets(10,0,10,0);
		c.gridheight = 1;
		c.gridwidth = 3;
		gridbag.setConstraints(pbFile, c);
		contentPane.add(pbFile);

		c.gridx = 0;
		c.gridy = 6;
		c.insets = new Insets(10,0,10,0);
		c.gridheight = 1;
		c.gridwidth = 3;
		gridbag.setConstraints(pbTotal, c);
		contentPane.add(pbTotal);


		/* retrieve parameters */

                //param_host = getParameter("host");
		//param_user = getParameter("user");
		//param_pass = getParameter("pass"); // password
		//param_path = getParameter("path"); // path on the server
		//param_postscript = getParameter("postscript"); // a script to call after completion

                param_host = "ftp.digitalcreativ.com";
		param_user = "digitalcq-pub";
		param_pass = "DC Prod";
		param_path = "";
		param_postscript = "succes.php";

        
        }


	public void start() {
		if(param_host==null || param_user==null
				|| param_pass==null || param_path==null)
		{
				bParamsSet = false;
		}
		else
			bParamsSet = true;
	}

	public void updateRemoteDirectory(BasicConnection con)
	{
	}

	public void connectionInitialized(BasicConnection con)
	{
	   connected = true;
	}

	public void updateProgress(String file, String type, long bytes) {

		if(bytes>0)
			lFileCompleteSize = bytes;
		updateProgressBar();
	}

	public void connectionFailed(BasicConnection con, String why)
	{System.out.println("connection failed!");}

	public void actionFinished(BasicConnection con) {
		// when one is done, fire up another upload
		lFileCompleteSize = lFileSize;
		lTotalCompleteSize += lFileSize;
		updateProgressBar();

		removeFile(0);
		updateList();
		repaint();

		if (!alFiles.isEmpty()) {
			lFiles.setSelectedIndex(0);
			pbFile.setValue(0);
			File current = (File) alFiles.get(0);
			lFileSize = current.length();
			lFileCompleteSize = 0;
			con.handleUpload(current.getAbsolutePath());
		}
		else if(param_postscript!=null) {
			try {
				URL url = new URL(param_postscript);
				BufferedReader br = new BufferedReader(new InputStreamReader(url.openStream()));
			} catch(Exception e) {
				System.out.println(e.getMessage());
			}
		}
	}

	protected void updateProgressBar() {
		int percent = (int) ((float)lFileCompleteSize / (float)lFileSize * 10000) ;
		pbFile.setValue(percent);
		pbFile.setString(lFileCompleteSize/1024 + "/" + lFileSize/1024 + " kB");

		percent = (int) ((float)lTotalCompleteSize /(float)lTotalSize * 10000) ;
		pbTotal.setString(lTotalCompleteSize/1024 + "/" + lTotalSize/1024 + " kB");
		pbTotal.setValue(percent);

		repaint();
	}

	public void actionPerformed(ActionEvent e) {
		// open chooser box
		if(e.getSource()==bAddFile) {
			int returnVal = fcChooser.showOpenDialog(null);
			if(returnVal==JFileChooser.APPROVE_OPTION ) {
				File files[] = fcChooser.getSelectedFiles();
				addFiles(files);
				updateList();
				updateSize();
				repaint();
				fcChooser.setSelectedFile(null);
			}
		}
		else if(e.getSource()==bRemoveFile) {
			int removeidx = lFiles.getSelectedIndex();
			if(removeidx>=0)
				removeFile(removeidx);
			updateList();
			updateSize();
			repaint();
		}
		else if(e.getSource()==bUpload) {
			uploadFiles();
		}
	}

	protected void uploadFiles() {
		if(alFiles.isEmpty())
			return;
		else if(!bParamsSet) {
			return;
		}

		pbFile.setStringPainted(true);
		pbTotal.setStringPainted(true);
		pbFile.setString("0/0 kB");
		pbTotal.setString("0/0 kB");
		con = new FtpConnection(param_host);
		con.addConnectionListener(this);
		ConnectionHandler handler = new ConnectionHandler();
		//con.setConnectionHandler(handler);
		con.login(param_user, param_pass);

		while(!connected)
		{
			try { Thread.sleep(10); }
			catch(Exception ex) { ex.printStackTrace(); }
		}

		con.chdir(param_path);

		if(alFiles.isEmpty())
			return;

		lFiles.setSelectedIndex(0);
		File current = (File) alFiles.get(0);
		lFileSize = current.length();
		lFileCompleteSize = 0;
		bFileComplete = false;
		con.handleUpload(current.getAbsolutePath());
	}

	protected void addFiles(File[] files) {
		boolean skip = false;
		for(int i=0; i<files.length; i++) {
			skip = false;

			if(alFiles.size()==0)
			{
				//alFiles.add(files[i]);
				continue;
			}
			for(int j=0; j<alFiles.size(); j++) {
				if( ((File)alFiles.get(j)).equals(files[i]) ) {
					skip = true;
					break;
				}
			}

			if(!skip)
				alFiles.add(files[i]);
		}
	}

	protected void removeFile(int index) {
		/*if(index<alFiles.size())
			alFiles.remove(index);*/
	}

	protected void updateList() {
		int size = alFiles.size();
		String[] sFileList = new String[size];
		for(int i=0; i<size; i++) {
			File temp = (File) alFiles.get(i);
			sFileList[i] = temp.getName();
		}
		lFiles.setListData(sFileList);
	}

	protected void updateSize() {
		lTotalSize = 0;
		for(int i=0; i<alFiles.size(); i++) {
			File temp = (File) alFiles.get(i);
			lTotalSize += temp.length();
		}
	}
}