source: AE/installer2/src/net/oni2/aeinstaller/gui/downloadwindow/Downloader.java@ 611

package net.oni2.aeinstaller.gui.downloadwindow;

import java.util.ResourceBundle;
import java.util.TreeSet;

import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JProgressBar;

import net.oni2.aeinstaller.backend.SizeFormatter;
import net.oni2.aeinstaller.backend.mods.Mod;
import net.oni2.aeinstaller.backend.mods.download.ModDownloader;
import net.oni2.aeinstaller.backend.mods.download.ModDownloader.State;
import net.oni2.aeinstaller.backend.mods.download.ModDownloaderListener;

import org.javabuilders.BuildResult;
import org.javabuilders.swing.SwingJavaBuilder;

/**
 * @author Christian Illy
 */
public class Downloader extends JDialog implements ModDownloaderListener {
        private static final long serialVersionUID = 9097967828001263776L;

        private ResourceBundle bundle = ResourceBundle.getBundle(getClass()
                        .getName());
        @SuppressWarnings("unused")
        private BuildResult result = SwingJavaBuilder.build(this, bundle);

        private JLabel lblElapsedVal;
        private JLabel lblRemainingVal;
        private JLabel lblDownloadedVal;
        private JLabel lblTotalVal;
        private JLabel lblRateVal;
        private JProgressBar progress;

        private ModDownloader downloader;

        /**
         * @param mods
         *            Mods to download
         */
        public Downloader(TreeSet<Mod> mods) {
                super();

                setResizable(false);
                setSize(500, (int) getSize().getHeight());

                downloader = new ModDownloader(mods, this);
                progress.setMaximum(downloader.getTotalSize());
                progress.setStringPainted(true);
                progress.setToolTipText(String.format("%d / %d files downloaded", 0,
                                mods.size()));

                lblDownloadedVal.setText(SizeFormatter.format(0, 3));
                lblTotalVal.setText(SizeFormatter.format(downloader.getTotalSize(), 3));
        }

        private void close() {
                if (!downloader.isFinished())
                        downloader.abort();
                setVisible(false);
        }

        @SuppressWarnings("unused")
        private boolean confirm() {
                int res = JOptionPane.showConfirmDialog(this,
                                bundle.getString("abort.text"),
                                bundle.getString("abort.title"), JOptionPane.YES_NO_OPTION,
                                JOptionPane.WARNING_MESSAGE);
                return res == JOptionPane.YES_OPTION;
        }

        private String formatTime(int sec) {
                int min = sec / 60;
                sec = sec % 60;
                return String.format("%02d:%02d", min, sec);
        }

        @Override
        public void updateStatus(ModDownloader source, State state, int filesDown,
                        int filesTotal, int bytesDown, int bytesTotal, int duration,
                        int remaining, int speed) {
                if (state == ModDownloader.State.FINISHED) {
                        close();
                } else {
                        progress.setValue(bytesDown);
                        progress.setToolTipText(String.format("%d / %d files downloaded",
                                        filesDown, filesTotal));

                        lblElapsedVal.setText(formatTime(duration));
                        lblRemainingVal.setText(formatTime(remaining));

                        lblDownloadedVal.setText(SizeFormatter.format(bytesDown, 3));

                        lblRateVal.setText(SizeFormatter.format(speed, 3) + "/s");
                }
        }

        /**
         * @return were all downloads finished?
         */
        public boolean isFinished() {
                return downloader.isFinished();
        }

}