Zapis tekstu do pliku. Nie zapisuje całego tekstu z textArea

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package menutestowe;

import java.awt.Dimension;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import static java.time.Clock.system;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.Box;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;

/**
 *
 * @author jarek
 */
public class NewJFrame extends javax.swing.JFrame {

    /**
     * Creates new form NewJFrame
     */
    public NewJFrame() {
        initComponents();
        setResizable(false);
        setLocation(500, 200);
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        jScrollPane1 = new javax.swing.JScrollPane();
        notatnik = new javax.swing.JTextArea();
        jMenuBar1 = new javax.swing.JMenuBar();
        menuPlik = new javax.swing.JMenu();
        mOtworz = new javax.swing.JMenuItem();
        mZapisz = new javax.swing.JMenuItem();
        mWyjscie = new javax.swing.JMenuItem();
        menuOpcje = new javax.swing.JMenu();
        mNarz1 = new javax.swing.JMenuItem();
        mNarz2 = new javax.swing.JMenuItem();
        chOpcja1 = new javax.swing.JCheckBoxMenuItem();
        menuAbout = new javax.swing.JMenu();
        mAbout = new javax.swing.JMenuItem();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jScrollPane1.setHorizontalScrollBarPolicy(javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);
        jScrollPane1.setVerticalScrollBarPolicy(javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
        jScrollPane1.setEnabled(false);

        notatnik.setColumns(20);
        notatnik.setRows(5);
        jScrollPane1.setViewportView(notatnik);

        menuPlik.setText("Plik");

        mOtworz.setText("Otwórz");
        mOtworz.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                mOtworzActionPerformed(evt);
            }
        });
        menuPlik.add(mOtworz);

        mZapisz.setText("Zapisz");
        mZapisz.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                mZapiszActionPerformed(evt);
            }
        });
        menuPlik.add(mZapisz);
        menuPlik.addSeparator();

        mWyjscie.setAccelerator(javax.swing.KeyStroke.getKeyStroke(java.awt.event.KeyEvent.VK_X, java.awt.event.InputEvent.CTRL_MASK));
        mWyjscie.setText("Wyjdź");
        mWyjscie.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                mWyjscieActionPerformed(evt);
            }
        });
        menuPlik.add(mWyjscie);

        jMenuBar1.add(menuPlik);

        menuOpcje.setText("Opcje");

        mNarz1.setText("Narzędzie 1");
        menuOpcje.add(mNarz1);

        mNarz2.setText("Narzędzie 2");
        menuOpcje.add(mNarz2);

        chOpcja1.setSelected(true);
        chOpcja1.setText("Opcja1");
        chOpcja1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                chOpcja1ActionPerformed(evt);
            }
        });
        menuOpcje.add(chOpcja1);

        jMenuBar1.add(menuOpcje);
        jMenuBar1.add(Box.createHorizontalGlue());

        menuAbout.setText("O Programie");

        mAbout.setText("O Programie");
        mAbout.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                mAboutActionPerformed(evt);
            }
        });
        menuAbout.add(mAbout);

        jMenuBar1.add(menuAbout);

        setJMenuBar(jMenuBar1);

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(149, 149, 149)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 308, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(151, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(108, 108, 108)
                .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 221, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(119, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>                        

    private void mAboutActionPerformed(java.awt.event.ActionEvent evt) {                                       
        JOptionPane.showMessageDialog(null, "Program testowy \n Wersja 1.0");
        
    }                                      

    private void mOtworzActionPerformed(java.awt.event.ActionEvent evt) {                                        
        JFileChooser fc = new JFileChooser();
        
        if (fc.showOpenDialog(null) == JFileChooser.APPROVE_OPTION)
        {
            File plik = fc.getSelectedFile();
            
            try 
            {
                
                //JOptionPane.showMessageDialog(null, "Zapisany plik to: " + plik);
               Scanner skaner = new Scanner(plik);
               while (skaner.hasNextLine())
               {
                   notatnik.append(skaner.nextLine() + "\n");
               } 
               
            } catch (FileNotFoundException ex) {
                Logger.getLogger(NewJFrame.class.getName()).log(Level.SEVERE, null, ex);
                
            }
        }
         
       
    }                                       

    private void mZapiszActionPerformed(java.awt.event.ActionEvent evt) {                                        
        JFileChooser fc = new JFileChooser();
        
        if (fc.showSaveDialog(null) == JFileChooser.APPROVE_OPTION)
        {
            File plik = fc.getSelectedFile();
            
            try 
            {
                PrintWriter pw = new PrintWriter(plik);
                Scanner skaner = new Scanner(notatnik.getText());
                
                while (skaner.hasNextLine())
                {
                    pw.println(skaner.nextLine() + "\n");
                    pw.close();
                }
            }
            catch (FileNotFoundException ex)
            {
                
            Logger.getLogger(NewJFrame.class.getName()).log(Level.SEVERE, null, ex);
            
            }
        }
        
    }                                       

    private void mWyjscieActionPerformed(java.awt.event.ActionEvent evt) {                                         
        dispose();
    }                                        

    private void chOpcja1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
       if (chOpcja1.isSelected())
       {
           mNarz1.setEnabled(true);
       }
       else
       {
           mNarz1.setEnabled(false);
       }
    }                                        

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(NewJFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new NewJFrame().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.JCheckBoxMenuItem chOpcja1;
    private javax.swing.JMenuBar jMenuBar1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JMenuItem mAbout;
    private javax.swing.JMenuItem mNarz1;
    private javax.swing.JMenuItem mNarz2;
    private javax.swing.JMenuItem mOtworz;
    private javax.swing.JMenuItem mWyjscie;
    private javax.swing.JMenuItem mZapisz;
    private javax.swing.JMenu menuAbout;
    private javax.swing.JMenu menuOpcje;
    private javax.swing.JMenu menuPlik;
    private javax.swing.JTextArea notatnik;
    // End of variables declaration                   
}

pw.close();