import java.awt.BorderLayout;
import java.io.File;
import javax.swing.JTable;
import javax.swing.table.*;
import javax.swing.table.AbstractTableModel;
import javax.swing.JScrollPane;
import javax.swing.JFrame;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.UIManager.*;


public class Commander {
    private File curDirectory;
    private File[] paths;
    private JFrame jframe = new JFrame("Java Commander");

    DefaultTableModel model = new DefaultTableModel();

    private JTable jtable = new JTable(model);
    private JTable jtable2 = new JTable(model);
    private JScrollPane jscrollpane = new JScrollPane(jtable);
    private JScrollPane jscrollpane2 = new JScrollPane(jtable2);

    public Commander() {
        curDirectory = new File(".");
        paths = curDirectory.listFiles();
        setDesign();
        setSwing();
    }

    public final void setDesign() {
        try {
            UIManager.setLookAndFeel(
                    "javax.swing.plaf.metal.MetalLookAndFeel");
        } catch(Exception e) {
        }
    }

    public void setSwing() {
        jframe.add(jscrollpane, BorderLayout.EAST);
        jframe.add(jscrollpane2, BorderLayout.WEST);

        jframe.setSize(1000, 750);
        jframe.setVisible(true);
        jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        model.addColumn("nazwa");
        model.addColumn("dir");
        model.addColumn("rozmiar");
        for(File f: paths) {
            boolean isDir = f.isDirectory();
            String isDirString = new String();
            if(isDir) isDirString = "dir";
            model.addRow(new Object[]{f.getName(), isDirString, f.length()});
        }
    }

    public static void main(String[] args) {
        Commander c = new Commander();
    }
}