text editor

texteditor.java

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;

import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JTextArea;

// We made a TextEditor class that is a type 
public class TextEditor extends JFrame implements ActionListener {
	// The text editor class owns a text area
	JTextArea area;
	
	// When I say "run", it should just make a new object
	// using this class
	public static void main(String[] args) {
		new TextEditor();
	}
	
	// Constructor for the text editor
	public TextEditor() {
		// Tell JFrame's constructor to run
		super("text editor");
		// Set the size
		setSize(700, 700);
		// Initialize it
		initialize();
		// Make it visible
		setVisible(true);
	}
	
	// Create the text area and the menu bar
	private void initialize() {
		
		area = new JTextArea(30, 20);
		add(area);
		
		JMenuBar bar = new JMenuBar();
		
		// Make a file menu
		JMenu fileMenu = new JMenu("file");
		JMenuItem newFileItem = new JMenuItem("new");
		fileMenu.add(newFileItem);
		// Create an item for opening files
		JMenuItem openFileItem = new JMenuItem("open");
		// Set the command for the ActionEvent to "open"
		openFileItem.setActionCommand("open");
		// Tell the item to send its action events here
		openFileItem.addActionListener(this);
		// Add the item to the file menu
		fileMenu.add(openFileItem);
		JMenuItem saveFileItem = new JMenuItem("save");
		fileMenu.add(saveFileItem);
		bar.add(fileMenu);
		
		// Make a filter menu
		JMenu filterMenu = new JMenu("filter");
		
		JMenuItem removeProfanity = new JMenuItem("remove profanity");
		removeProfanity.setActionCommand("swearing");
		removeProfanity.addActionListener(this);
		filterMenu.add(removeProfanity);
		
		filterMenu.add(createMenuItem("remove insults"));
		filterMenu.add(createMenuItem("something else"));
		filterMenu.add(createMenuItem("etc"));
		
		bar.add(filterMenu);
		
		setJMenuBar(bar);
	}
	
	public JMenuItem createMenuItem(String name) {
		JMenuItem item = new JMenuItem(name);
		item.setActionCommand(name);
		item.addActionListener(this);
		return item;
	}
	
	public void openFile() {
		JFileChooser chooser = new JFileChooser();
		int result = chooser.showOpenDialog(this);
		
		// Check if the open dialog returned successfully
		if (result == JFileChooser.APPROVE_OPTION) {
			// Get my data file
			File f = chooser.getSelectedFile();
			System.out.println(f.getAbsolutePath());
			try {
				// Reading it off
				String content = "";
				Scanner s = new Scanner(f);
				// While there's another line of input
				while (s.hasNextLine()) {
					// Append another line of input
					content = content + s.nextLine();
					content = content + "\n";
				}
				// Tell my JTextArea that this is what your text is
				area.setText(content);
			}
			// If I don't find a file
			catch (FileNotFoundException e) {
				System.out.println("Not a file!");
			}
		}
		
		
	}
	
	public void saveFile() {
		System.out.println("You think I want to save your stuff?");
	}

	@Override
	public void actionPerformed(ActionEvent e) {
		String command = e.getActionCommand();
		System.out.println( command );
		
		if (command.equals("open")) {
			openFile();
		}
		if (command.equals("swearing")) {
			removeProfanity();
		}
		if (command.equals("remove troll")) {
			removeTrolls();
		}
		if (command.equals("remove insults")) {
			removeInsults();
		}
	}

	private void removeInsults() {
		String content = area.getText();
		
		content = content.replaceAll("(\\w+) is a (\\w+)", "$1 is not a $2");
		//content = content.replaceAll("\\b(\\w+)\\b", "$1eth");
		content = content.replaceAll("(I|you) like (\\w+)", "$1 does not like $2");
		
		area.setText(content);
	}

	private void removeTrolls() {
		// Get whatever is in the text area
		String wb = "\\b";
		String content = area.getText();
		// Mess with it
		content = content.replaceAll("troll", "go away!");
		content = content.replaceAll("tr(ol)+", "go away!");
		content = content.replaceAll(wb + "ha(ha)+" + wb, "haha");
		content = content.replaceAll("ha+ha+", "haha");
		// Put it back into the text area
		area.setText( content );
	}

	private void removeProfanity() {
		// Get whatever is in the text area
		String content = area.getText();
		// Mess with it
		content = content.replaceAll("darn", "dagnabbit");
		content = content.replaceAll("\\bheck\\b", "hoo ha");
		// Put it back into the text area
		area.setText( content );
	}
}