Tugas 10 PBO C Text Editor

Nama : Dewangga Dharmawan

NRP : 05111940000029

Kelas : PBO C

Diagram Class

Source code (Classnya hanya 1)

 /**  
  * Class Text Editor (semacam Notepad  
  *  
  * @author (Dewangga Dharmawan)  
  * @version (14/1/2021)  
  */  
 //Library  
 import java.awt.*;  
 import javax.swing.*;  
 import java.io.*;  
 import java.awt.event.*;  
 import javax.swing.plaf.metal.*;  
 import javax.swing.text.*;  
 public class TextEditor extends JFrame implements ActionListener  
 {  
   //Bentuk Window  
   JTextArea t;  
   JFrame f;  
   //Methodenya  
   public TextEditor()  
   {  
     //Title  
     f = new JFrame("TextEditor");  
     try  
     {  
       UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");  
       MetalLookAndFeel.setCurrentTheme(new OceanTheme());  
     }  
     catch(Exception e)  
     {  
     }  
     //Ruang tulis  
     t = new JTextArea();  
     //Bar-bar yang diperlukan  
     JMenuBar mb = new JMenuBar();  
     JMenu m1 = new JMenu("File");  
     JMenuItem mi1 = new JMenuItem("File Baru"),  
     mi2 = new JMenuItem("Buka File"),  
     mi3 = new JMenuItem("Save File"),  
     mi9 = new JMenuItem("Print File");  
     mi1.addActionListener(this);  
     mi2.addActionListener(this);  
     mi3.addActionListener(this);  
     mi9.addActionListener(this);  
     m1.add(mi1);  
     m1.add(mi2);  
     m1.add(mi3);  
     m1.add(mi9);  
     JMenu m2 = new JMenu("Edit File");  
     JMenuItem mi4 = new JMenuItem("Ctrl + X"),  
     mi5 = new JMenuItem("Ctrl + C"),  
     mi6 = new JMenuItem("Ctrl + V");  
     mi4.addActionListener(this);  
     mi5.addActionListener(this);  
     mi6.addActionListener(this);  
     m2.add(mi4);  
     m2.add(mi5);  
     m2.add(mi6);  
     JMenuItem mc = new JMenuItem("Tutup File");  
     mc.addActionListener(this);  
     mb.add(m1);  
     mb.add(m2);  
     mb.add(mc);  
     f.setJMenuBar(mb);  
     f.add(t);  
     f.setSize(500,500);  
     f.show();  
   }  
   //Input Mouse pada masing-masing bar  
   public void actionPerformed(ActionEvent e)  
   {  
     String s = e.getActionCommand();  
     if(s.equals("Ctrl + X"))  
     t.cut();  
     else if(s.equals("Ctrl + C"))  
     t.copy();  
     else if(s.equals("Ctrl + V"))  
     t.paste();  
     else if(s.equals("Save File"))  
     {  
       JFileChooser j = new JFileChooser("f:");  
       int r = j.showSaveDialog(null);  
       if(r == JFileChooser.APPROVE_OPTION)  
       {  
         File fi = new File(j.getSelectedFile().getAbsolutePath());  
         try  
         {  
           FileWriter wr = new FileWriter(fi, false);  
           BufferedWriter w = new BufferedWriter(wr);  
           w.write(t.getText());  
           w.flush();  
           w.close();  
         }  
         catch(Exception evt)  
         {  
           JOptionPane.showMessageDialog(f, evt.getMessage());  
         }  
       }  
       else  
       JOptionPane.showMessageDialog(f, "Programnya dihentikan");  
     }  
     else if(s.equals("Print File"))  
     {  
       try  
       {  
         t.print();  
       }  
       catch(Exception evt)  
       {  
         JOptionPane.showMessageDialog(f, evt.getMessage());  
       }  
     }  
     else if(s.equals("Buka File"))  
     {  
       JFileChooser j = new JFileChooser("f:");  
       int r = j.showOpenDialog(null);  
       if(r == JFileChooser.APPROVE_OPTION)  
       {  
         File fi = new File(j.getSelectedFile().getAbsolutePath());  
         try  
         {  
           String s1 = "", sl = "";  
           FileReader fr = new FileReader(fi);  
           BufferedReader br = new BufferedReader(fr);  
           sl = br.readLine();  
           while((s1 = br.readLine()) != null)  
           sl = sl + "\n" + s1;  
           t.setText(sl);  
         }  
         catch(Exception evt)  
         {  
           JOptionPane.showMessageDialog(f, evt.getMessage());  
         }  
       }  
       else  
       JOptionPane.showMessageDialog(f, "Programnya telah dihentikan");  
     }  
     else if(s.equals("File Baru"))  
     t.setText("");  
     else if(s.equals("Tutup File"))  
     f.setVisible(false);  
   }  
 }  

Implementasi

Cut, Copy, Paste tidak bisa di SS