ftppoolpanel.java

JavaExplorer是一个独立于平台的浏览器

/**
  * File and FTP Explorer
  * Copyright 2003
  * BOESCH Vincent
  *
  * This program 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 program 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 program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  */
package javaexplorer.gui.internal;

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

import javaexplorer.manager.ftp.*;
import javaexplorer.util.Log;

import javax.swing.*;


/**
 *  Description of the Class
 *
 *@author     VEEB7280
 *@created    13 juin 2002
 */
public class FtpPoolPanel extends JPanel implements ActionListener {
    FtpPool fpool = null;
    JLabel jlbFtpInfo = new JLabel("FTP Info");
    GridLayout gridLayout1 = new GridLayout(1, 5, 5, 5);
    private JPanel jPanel1 = new JPanel();
    private JPanel jPanel2 = new JPanel();
    private JCheckBox jcbIsBinary = new JCheckBox("Binary", true);
    private JLabel jlbHostName = new JLabel("HostName");
    private JPanel jPanel3 = new JPanel();
    private JButton addFtp = new JButton("Add");
    private JButton closeFtp = new JButton("Close");
    private JButton remFtp = new JButton("Rem");
    private GridLayout gridLayout2 = new GridLayout();

    /**
     *  Constructor for the FtpPoolPanel object
     *
     *@param  fp  Description of the Parameter
     */
    public FtpPoolPanel(FtpPool fp) {
        super();
        fpool = fp;

        try {
            jbInit();
        } catch (Exception e) {
        	Log.addError(e);
        }
    }

    /**
     *  Description of the Method
     */
    public void jbInit() {
        setLayout(gridLayout1);

        jPanel1.setLayout(gridLayout2);
        jcbIsBinary.setToolTipText("Use binary transfer");
        jcbIsBinary.addActionListener(this);
        addFtp.setToolTipText("Add a connection to this pool");
        addFtp.addActionListener(this);
        closeFtp.setToolTipText("Close this pool");
        closeFtp.addActionListener(this);
        remFtp.setToolTipText("Remove a connection from this pool");
        remFtp.addActionListener(this);
        gridLayout2.setRows(2);
        this.add(jPanel1, null);
        jPanel1.add(jPanel2, null);
        jPanel2.add(jlbHostName, null);
        jPanel2.add(jcbIsBinary, null);
        jPanel1.add(jPanel3, null);
        jPanel3.add(addFtp, null);
        jPanel3.add(closeFtp, null);
        jPanel3.add(remFtp, null);
        add(jlbFtpInfo);
        jlbHostName.setFont(jlbHostName.getFont().deriveFont(Font.BOLD));
        jlbFtpInfo.setText("Nothing active");
        setSize(250, 40);
    }

    public void refreshPool(FtpPool fp) {
        fpool = fp;

        if (fpool == null) {
            jlbHostName.setText("HostName");
            jlbFtpInfo.setText("Nothing active");

            return;
        }

        int nbFtps = fpool.getPoolSize();
        jlbHostName.setText(fpool.getFtp().getTitle());

        int active = 0;

        for (int i = 0; i < nbFtps; i++) {
            if (fpool.isBusy(i)) {
                active++;
            }
        }

        jlbFtpInfo.setText(nbFtps + " conn, " + active + " busy");
    }

    /**
     *  Description of the Method
     *
     *@param  e  Description of the Parameter
     */
    public void actionPerformed(ActionEvent e) {
        if (fpool == null) {
            return;
        }

        Object obj = e.getSource();

        if (obj == addFtp) {
            fpool.addFtpClient();
        } else if (obj == remFtp) {
            fpool.removeFtpClient();
        } else if (obj == closeFtp) {
            FtpContainer.getContainer().removeFtpPool(fpool.getFtp());
        } else if (obj == jcbIsBinary) {
            fpool.setBinary(jcbIsBinary.isSelected());
        }
    }
}