TextEditor

package textedit;

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Container;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.Scanner;

import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.KeyStroke;

public class TextEdit implements ActionListener {
    /**
     *
     */
    private static final long serialVersionUID = -3491321526874204693L;
    int fontSize = 14;
    String fontName = "Times New Roman";
    int fontType = Font.PLAIN;
    JTextArea output;
    JScrollPane scrollPane;
    JMenuBar bar;
    JMenu file, textStyle;
    JMenuItem newFile, open, save, saveas, font, size, color;
    JCheckBoxMenuItem bold, italics, underline;
    Font currentFont;
    JFileChooser fc;
    Component openedFile;
    File fileOpened;
    String allLines;
    boolean isNewFile = false;

    public static void main(String[] args) {
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
            public void run() {
                create();
            }
        });
    }

    public static void create() {
        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        TextEdit te = new TextEdit();
        frame.setContentPane(te.createContentPane());
        frame.setJMenuBar(te.createMenuBar());

        frame.setSize(400, 600);
        frame.setVisible(true);
        frame.setTitle("Text Editor v. 1c");
    }

    public Container createContentPane() {
        JPanel contentPane = new JPanel(new BorderLayout());
        contentPane.setOpaque(true);

        output = new JTextArea(5, 30);
        output.setEditable(true);
        scrollPane = new JScrollPane(output);

        contentPane.add(scrollPane, BorderLayout.CENTER);
        return contentPane;
    }
    public JMenuBar createMenuBar() {
        bar = new JMenuBar();

        file = new JMenu("File");
        textStyle = new JMenu("Text Styles");

        newFile = new JMenuItem("New");
        newFile.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,
                KeyEvent.VK_ALT));
        newFile.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                System.out.println("NEW FILE");
            }
        });
        file.add(newFile);

        open = new JMenuItem("Open");
        open.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O,
                KeyEvent.VK_ALT));
        open.addActionListener(this);
        file.add(open);

        save = new JMenuItem("Save");
        save.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,
                KeyEvent.VK_ALT));
        save.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {

            }
        });
        file.add(save);

        saveas = new JMenuItem("Save As");
        saveas.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A,
                KeyEvent.VK_ALT));
        saveas.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                fc = new JFileChooser();
                int returnVal = fc.showSaveDialog(newFile);
            }
        });
        file.add(saveas);

        font = new JMenuItem("Change Font");
        font.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F,
                KeyEvent.VK_ALT));
        font.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                fontName = JOptionPane.showInputDialog("Enter Font Name: ");
                currentFont = new Font(fontName, fontType, fontSize);
                output.setFont(currentFont);
            }
        });
        textStyle.add(font);

        size = new JMenuItem("Change Size");
        size.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Z,
                KeyEvent.VK_ALT));
        size.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                fontSize = Integer.parseInt(JOptionPane
                        .showInputDialog("Enter Size: "));
                currentFont = new Font(fontName, fontType, fontSize);
                output.setFont(currentFont);
            }
        });
        textStyle.add(size);

        bold = new JCheckBoxMenuItem("Bold");
        bold.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_B,
                KeyEvent.VK_ALT));
        bold.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                if (bold.isSelected()) {
                    fontType = Font.BOLD;
                    currentFont = new Font(fontName, fontType, fontSize);
                    output.setFont(currentFont);
                } else {
                    fontType = Font.PLAIN;
                    currentFont = new Font(fontName, fontType, fontSize);
                    output.setFont(currentFont);
                }
            }
        });
        textStyle.add(bold);

        bar.add(file);
        bar.add(textStyle);
        return bar;
    }

    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == open) {
            fc = new JFileChooser();
            int returnVal = fc.showOpenDialog(createContentPane());

            if (returnVal == JFileChooser.APPROVE_OPTION) {
                System.out.println("File Approved");
                output.removeAll();
                fileOpened = fc.getSelectedFile();
                System.out.println("Opening " + fileOpened.getName());
                Scanner reader = null;
                try {
                    reader = new Scanner(new FileInputStream(fileOpened));
                } catch (FileNotFoundException fnf) {
                    fnf.printStackTrace();
                }
                String lines[];
                int i = 0;
                while (true) {
                    if (!reader.hasNext()) {
                        break;
                    }
                    System.out.println("Next line");
                    reader.nextLine();
                    i++;
                }
                try {
                    reader = new Scanner(new FileInputStream(fileOpened));
                } catch (FileNotFoundException fnf) {
                }
                lines = new String[i];
                allLines = "";
                for (int j = 0; j < i; j++) {
                    lines[j] = reader.nextLine();
                    allLines += lines[j] + "\n";
                }
                System.out.println(allLines);
            }
            output.setText(allLines);
        }
    }
}