aboutdialog.java

JavaExplorer是一个独立于平台的浏览器

/**
  * File and FTP Explorer
  * Copyright 2002
  * 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.dialog;

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

import java.util.*;

import javaexplorer.Launcher;

import javaexplorer.ressource.*;
import javaexplorer.util.Log;

import javax.swing.*;
import javax.swing.table.*;


/**
 *@author     BOESCH Vincent
 *@created    21 janvier 2002
 *@version    3.3
 *
 * 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.
 *
 */
public class AboutDialog extends JDialog implements ActionListener {
    private Launcher _launcher = null;
    BorderLayout borderLayout1 = new BorderLayout();
    BorderLayout borderLayout2 = new BorderLayout();
    GridLayout gridLayout1 = new GridLayout();
    JButton jButton1 = new JButton();
    JLabel jLabel1 = new JLabel();
    JLabel jLabel2 = new JLabel();
    JLabel jLabel3 = new JLabel();
    JLabel jLabel4 = new JLabel();
    JLabel jLabelImage = new JLabel();
    JPanel jPanel1 = new JPanel();
    JPanel jPanel2 = new JPanel();
    JPanel jPanel3 = new JPanel();
    JTabbedPane jTabbedPane1 = new JTabbedPane();
    JTextArea jTextArea1 = new JTextArea();
    JScrollPane jsp = null;
    JTable jtb = new JTable();

    /**
     *  Constructor for the AboutDialog object
     *
     *@param  frame     Description of the
     *      Parameter
     *@param  launcher  Description of the
     *      Parameter
     */
    public AboutDialog(JFrame frame, Launcher launcher) {
        super(frame, true);
        _launcher = launcher;

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

    /**
     *  Description de la methode
     *
     *@param  e  Description of the Parameter
     */
    public void actionPerformed(ActionEvent e) {
        for (int i = 0; i < 10; i++) {
            //appels successif permettant de liberer le plus de m閙oire possible
            System.gc();
            System.runFinalization();
        }

        Runtime r = Runtime.getRuntime();
        long tot = r.totalMemory();
        long free = r.freeMemory();
        jLabel2.setText("" + (float) (((double) tot) / (double) 1024) + " Ko");

        double percent = (((double) (tot - free)) / (double) tot) * (double) 100;
        jLabel4.setText("" + (float) percent + " %");
    }

    /**
     *  Description of the Method
     *
     *@exception  Exception  Description of
     *      Exception
     */
    private void jbInit() throws Exception {
        setTitle(Launcher.APPNAME + " " + Launcher.VERSION + " " +
            Launcher.YEAR);
        jPanel1.setLayout(borderLayout1);
        jTextArea1.setText("");
        jPanel2.setLayout(borderLayout2);
        jPanel3.setLayout(gridLayout1);
        gridLayout1.setColumns(5);
        jLabel1.setText("Memory :");

        Runtime r = Runtime.getRuntime();
        long tot = r.totalMemory();
        long free = r.freeMemory();

        jLabel2.setText("" + (float) (((double) tot) / (double) 1024) + " Ko");
        jLabel2.setAlignmentX(JLabel.RIGHT_ALIGNMENT);
        jLabel3.setText("Used :");

        double percent = (((double) (tot - free)) / (double) tot) * (double) 100;
        jLabel4.setText("" + (float) percent + " %");
        jLabel4.setAlignmentX(JLabel.RIGHT_ALIGNMENT);
        jButton1.setText(TextRessource.ABOUTSCREEN_FORCE_GC);
        jButton1.addActionListener(this);
        this.getContentPane().add(jTabbedPane1, BorderLayout.CENTER);
        jTabbedPane1.add(jPanel1, "Copyright");
        jLabelImage.setIcon(ImageRessource.iiJavaExplorer);

        jTextArea1.setText(Launcher.APPNAME + " " + Launcher.VERSION + "\n" +
            "Copyright " + Launcher.AUTHOR + " " + Launcher.YEAR + "\n\n" +
            Launcher.DESCRIPTION + "\n\n" + "Released under " +
            Launcher.LICENSE);
        jTextArea1.setBorder(new javax.swing.border.LineBorder(Color.black));
        jPanel1.add(jTextArea1, BorderLayout.CENTER);
        jPanel1.add(jLabelImage, BorderLayout.WEST);

        listProperties();
        jsp = new JScrollPane(jtb);
        jTabbedPane1.add(jPanel2, TextRessource.ABOUTSCREEN_JVM_PROPERTIES);
        jPanel2.add(jsp, BorderLayout.CENTER);
        jPanel2.add(jPanel3, BorderLayout.SOUTH);
        jPanel3.add(jLabel1, null);
        jPanel3.add(jLabel2, null);
        jPanel3.add(jLabel3, null);
        jPanel3.add(jLabel4, null);
        jPanel3.add(jButton1, null);

        setBounds(100, 100, 400, 300);
        setVisible(true);
    }

    /**
     *  Description of the Method
     */
    private void listProperties() {
        String name = null;
        String val = null;
        int rowcount = 0;
        Properties prop = System.getProperties();

        String[] title = { "Propri閠