import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class ProgressWindow
    implements ActionListener, WindowListener
{

    public ProgressWindow()
    {
        numLabels = 1;
        aStopped = false;
    }

    public void setNumLabels(int num)
    {
        numLabels = num;
    }

    public void show()
    {
        frame = new JFrame();
        frame.addWindowListener(this);
        frame.setDefaultCloseOperation(0);
        JPanel mainPanel = new JPanel();
        mainPanel.setLayout(new BoxLayout(mainPanel, 1));
        //?? mainPanel.add(Box.createVerticalStrut(20));
        labels = new JLabel[numLabels];
        for(int i = 0; i < numLabels; i++)
        {
            JPanel panel = new JPanel();
            panel.setLayout(new BoxLayout(panel, 0));
            JLabel label = new JLabel();
            //?? panel.add(Box.createHorizontalStrut(20));
            panel.add(label);
            //?? panel.add(Box.createHorizontalGlue());
            mainPanel.add(panel);
            labels[i] = label;
            //?? mainPanel.add(Box.createVerticalStrut(5));
        }

        JPanel panel = new JPanel();
        panel.setLayout(new BoxLayout(panel, 0));
        progressBar = new JProgressBar();
        //?? panel.add(Box.createHorizontalStrut(20));
        panel.add(progressBar);
        //?? panel.add(Box.createHorizontalStrut(20));
        mainPanel.add(panel);
        aCancel = new JButton("Cancel"); // , cIconLoader.CANCEL);
        aCancel.addActionListener(this);
        //?? mainPanel.add(Box.createVerticalStrut(20));
        JPanel lButton = new JPanel(new FlowLayout(2));
        lButton.add(aCancel);
        mainPanel.add(lButton);
        frame.getContentPane().add(mainPanel);
        frame.pack();
        setSize(500, 200);
        frame.show();
    }

    public void actionPerformed(ActionEvent e)
    {
        if(e.getSource() == aCancel)
            aStopped = true;
    }

    public void windowActivated(WindowEvent windowevent)
    {
    }

    public void windowClosed(WindowEvent windowevent)
    {
    }

    public void windowClosing(WindowEvent e)
    {
        aStopped = true;
    }

    public void windowDeactivated(WindowEvent windowevent)
    {
    }

    public void windowDeiconified(WindowEvent windowevent)
    {
    }

    public void windowIconified(WindowEvent windowevent)
    {
    }

    public void windowOpened(WindowEvent windowevent)
    {
    }

    public void setTitle(String title)
    {
        frame.setTitle(title);
    }

    public void setSize(int x, int y)
    {
        frame.setSize(x, y);
        centerInContainer(frame, Toolkit.getDefaultToolkit().getScreenSize());
    }

    public void setLabelText(int i, String s)
    {
        labels[i].setText(s);
    }

    public void setProgress(int percent)
    {
        progressBar.setValue(percent);
    }

    public void hide()
    {
        frame.setVisible(false);
        frame.dispose();
    }

    private void centerInContainer(Component component, Dimension containerDimension)
    {
        Dimension sz = component.getSize();
        int x = (containerDimension.width - sz.width) / 2;
        int y = (containerDimension.height - sz.height) / 2;
        component.setLocation(x, y);
    }

    private JFrame frame;
    private int numLabels;
    private JLabel[] labels;
    private JProgressBar progressBar;
    private static final int INSET = 20;
    private static final int SEPARATOR = 5;
    public boolean aStopped;
    private JButton aCancel;
}