import java.awt.*;
import java.awt.event.*;
import java.io.FileNotFoundException;
import java.io.File;

import javax.swing.*;

public class FilViser {
    
    static JLabel label = new JLabel("Velg en fil: ");

    public static void main(String[] args) {
        

        JFrame vindu = new JFrame("FilLeser");
        vindu.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        JPanel panel = new JPanel();
        vindu.add(panel);
        panel.add(label);
    
        
        class VelgFilAction implements ActionListener {
            @Override
            public void actionPerformed(ActionEvent e) {
                JFileChooser velger = new JFileChooser();
                File workingDir = new File(System.getProperty("user.dir"));
                velger.setCurrentDirectory(workingDir);

                int resultat = velger.showOpenDialog(null);

                if (resultat == JFileChooser.APPROVE_OPTION) {
                    try {
                        FilLeser leser = new FilLeser(velger.getSelectedFile());
                        label.setText(leser.hentStreng());
                    } catch (FileNotFoundException err) {err.printStackTrace();}
                }
            }
        }
        

        JButton velgFilKnapp = new JButton("Velg fil");
        velgFilKnapp.addActionListener(new VelgFilAction());
        panel.add(velgFilKnapp);


        // DETTE SKJER TIL SLUTT
        vindu.pack();
        vindu.setVisible(true);
    }
}