C:/Projekte/I2BPro/src/i2bpro/layer/WindowClosingAdapter.java

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package i2bpro.layer;

import i2bpro.Exceptions.ErrorMsg;
import i2bpro.Exceptions.PlayListException;
import i2bpro.playlist.PlayList;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;
import javax.swing.JOptionPane;


public final class WindowClosingAdapter extends WindowAdapter
{
    private boolean exitSystem;

    public WindowClosingAdapter(boolean exitSystem)
    {
        this.exitSystem = exitSystem;
    }

    public WindowClosingAdapter()
    {
        this(false);
    }
    

    @Override
    public void windowClosing(WindowEvent event)
    {
        if (Layer.getInstance().isSave())
        {
            JOptionPane pane = new JOptionPane();
            if (pane.showConfirmDialog(null,
                    "Möchten Sie die an der Playlist vorgenommenen Änderungen "
                    + "speichern?", null, JOptionPane.YES_NO_OPTION,
                    JOptionPane.QUESTION_MESSAGE) == JOptionPane.YES_OPTION)
            {
                try {
                    PlayList.getInstance().PlayListSave(PlayList.getInstance().getFileName());
                    exitSystem = true;
                }
                catch (PlayListException ex) { ErrorMsg.show(ex.getMessage()); }
                catch (IOException ex) { ErrorMsg.show(ex.getMessage()); }
            }
        }
        event.getWindow().setVisible(false);
        event.getWindow().dispose();
        if (exitSystem)
            System.exit(0);
    }
}