editor.java

// Java Program to create a text editor using java 
import java.awt.*; 
import javax.swing.*; 
import java.io.*; 
import java.awt.event.*; 
import javax.swing.plaf.metal.*; 
import javax.swing.text.*;

import javafx.stage.Modality; 
class editor extends JFrame implements ActionListener { 
	// Text component 
	JTextArea t; 

	// Frame 
	JFrame f; 

	

	// Constructor 
	editor() 
	{  

		
		f = new JFrame("Borax Code"); 

		ImageIcon img = new ImageIcon("text-editor-icon.png");
		f.setIconImage(img.getImage());



		try { 
			// Set metl look and feel 
			UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel"); //javax.swing.plaf.windows.WindowsLookAndFeel
 
		} 
		catch (Exception e) { 
		} 

		// Text component 
		
		t = new JTextArea(); 

		t.setFont(t.getFont().deriveFont(20f));

		

		JScrollPane scroll = new JScrollPane (t);
		scroll.setPreferredSize(t.getPreferredSize());
    	scroll.setVerticalScrollBarPolicy ( ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS );


		// Create a menubar 
		JMenuBar mb = new JMenuBar(); 

		// Create a menu for menu 
		JMenu m1 = new JMenu("File"); 

		m1.setPreferredSize(new Dimension(80, m1.getPreferredSize().height));

        

		// Create menu items 
		JMenuItem mi1 = new JMenuItem("New"); 
		JMenuItem mi2 = new JMenuItem("Open"); 
		JMenuItem mi3 = new JMenuItem("Save"); 
		JMenuItem mi9 = new JMenuItem("Print"); 


		mb.add(Box.createVerticalGlue());


		// Add action listener 
		mi1.addActionListener(this); 
		mi2.addActionListener(this); 
		mi3.addActionListener(this); 
		mi9.addActionListener(this); 

		m1.add(mi1); 
		m1.add(mi2); 
		m1.add(mi3); 
		m1.add(mi9); 

		// Create amenu for menu 
		JMenu m2 = new JMenu("Edit"); 
		m2.setPreferredSize(new Dimension(80, m2.getPreferredSize().height));


		// Create menu items 
		JMenuItem mi4 = new JMenuItem("cut"); 
		JMenuItem mi5 = new JMenuItem("copy"); 
		JMenuItem mi6 = new JMenuItem("paste"); 



		

		// Add action listener 
		mi4.addActionListener(this); 
		mi5.addActionListener(this); 
		mi6.addActionListener(this); 

		m2.add(mi4); 
		m2.add(mi5); 
		m2.add(mi6); 

		JMenuItem mc = new JMenuItem("Close"); 

		


		mc.addActionListener(this); 

		mb.add(m1); 
		mb.add(m2); 
		mb.add(mc); 

		f.setJMenuBar(mb); 
		f.add(t); 
		f.setSize(1000, 1000); 
		f.setVisible(true); 
	} 

	// If a button is pressed 
	public void actionPerformed(ActionEvent e) 
	{ 
		String s = e.getActionCommand(); 

		if (s.equals("cut")) { 
			t.cut(); 
		} 
		else if (s.equals("copy")) { 
			t.copy(); 
		} 
		else if (s.equals("paste")) { 
			t.paste(); 
		} 
		else if (s.equals("Save")) { 
			// Create an object of JFileChooser class 
			JFileChooser j = new JFileChooser("f:"); 

			// Invoke the showsSaveDialog function to show the save dialog 
			int r = j.showSaveDialog(null); 

			if (r == JFileChooser.APPROVE_OPTION) { 

				// Set the label to the path of the selected directory 
				File fi = new File(j.getSelectedFile().getAbsolutePath()); 

				try { 
					// Create a file writer 
					FileWriter wr = new FileWriter(fi, false); 

					// Create buffered writer to write 
					BufferedWriter w = new BufferedWriter(wr); 

					// Write 
					w.write(t.getText()); 

					w.flush(); 
					w.close(); 
				} 
				catch (Exception evt) { 
					JOptionPane.showMessageDialog(f, evt.getMessage()); 
				} 
				JOptionPane.showMessageDialog(f, "The file has been successfully saved!"); 

			} 
			// If the user cancelled the operation 
			else
				JOptionPane.showMessageDialog(f, "You have cancelled the save!"); 
		} 
		else if (s.equals("Print")) { 
			try { 
				// print the file 
				t.print(); 
			} 
			catch (Exception evt) { 
				JOptionPane.showMessageDialog(f, evt.getMessage()); 
			} 
		} 
		else if (s.equals("Open")) { 
			// Create an object of JFileChooser class 
			JFileChooser j = new JFileChooser("f:"); 

			// Invoke the showsOpenDialog function to show the save dialog 
			int r = j.showOpenDialog(null); 

			// If the user selects a file 
			if (r == JFileChooser.APPROVE_OPTION) { 
				// Set the label to the path of the selected directory 
				File fi = new File(j.getSelectedFile().getAbsolutePath()); 

				try { 
					// String 
					String s1 = "", sl = ""; 

					// File reader 
					FileReader fr = new FileReader(fi); 

					// Buffered reader 
					BufferedReader br = new BufferedReader(fr); 

					// Initilize sl 
					sl = br.readLine(); 

					// Take the input from the file 
					while ((s1 = br.readLine()) != null) { 
						sl = sl + "\n" + s1; 
					} 

					// Set the text 
					t.setText(sl); 
				} 
				catch (Exception evt) { 
					JOptionPane.showMessageDialog(f, evt.getMessage()); 
				} 

			} 
			// If the user cancelled the operation 
			else
				JOptionPane.showMessageDialog(f, "You have cancelled the print!"); 
		} 
		else if (s.equals("New")) { 
			t.setText(""); 
		} 
		
		else if (s.equals("Close")) { 
			// f.setVisible(false); 
			f.dispatchEvent(new WindowEvent(f, WindowEvent.WINDOW_CLOSING));

		} 

		
	} 

	// Main class 
	public static void main(String args[]) 
	{ 
		editor e = new editor(); 
	} 
}