/*This is a basic GUI based Java application with some action buttons and respective display boxes.
Action buttons: Count vowels, Count consonants, Count punctuations, Capitalize
Other component: File browser to select any text file from the local machine
Input: Select any text file from the local machine
Output: as per the action event provided through the action button through display.
Button ‘Capitalize’ will change the content of the selected file in uppercase and save it in a
file named ‘UX.txt’ where X will be replaced by your selected file name.*/


import java.io.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.filechooser.*;
import java.io.FileWriter;

public class Question1 extends JFrame implements ActionListener
{
  JMenuBar m;
  JMenu file;
  JFrame f;
  JMenuItem open, save;
  JButton a, b, c, d, s;
  JTextField t1, t2, t3, t4, t5;
  int cv, ca, cp;
  String s1, s2, fn;
  Question1()
  {
    open = new JMenuItem("Open File");
    open.addActionListener(this);
    save = new JMenuItem("Save File");
    save.addActionListener(this);
    file = new JMenu("File");
    file.add(open);
    file.add(save);
    m = new JMenuBar();
    m.setBounds(50,25,100,30);
    m.add(file);

    add(m);

    t1 = new JTextField();
    t1.setBounds(50, 50, 150, 40);
    add(t1);

    a = new JButton("Consonants");
    a.setBounds(50, 100, 100, 40);
    a.addActionListener(this);
    add(a);

    t2 = new JTextField();
    t2.setBounds(50, 150, 150, 40);
    add(t2);

    b = new JButton("Vowel");
    b.setBounds(50, 200, 100, 40);
    b.addActionListener(this);
    add(b);

    t3 = new JTextField();
    t3.setBounds(50, 250, 150, 40);
    add(t3);

    c = new JButton("Punctuations");
    c.setBounds(50, 300, 100, 40);
    c.addActionListener(this);
    add(c);

    t4 = new JTextField();
    t4.setBounds(50, 350, 150, 40);
    add(t4);

    d = new JButton("Capitalize");
    d.setBounds(50, 400, 100, 40);
    d.addActionListener(this);
    add(d);

    t5 = new JTextField();
    t5.setBounds(50, 450, 150, 40);
    add(t5);

    s = new JButton("Clear");
    s.setBounds(50, 500, 100, 40);
    s.addActionListener(this);
    add(s);
  }
  public void actionPerformed(ActionEvent e)
  {
     if(e.getSource()==open)
     {
        JFileChooser f = new JFileChooser();
        int i=f.showOpenDialog(this);
        if(i==JFileChooser.APPROVE_OPTION)
        {
          File fc = f.getSelectedFile();
          String filepath = fc.getPath();
          fn = filepath;
          try
          {
            BufferedReader br = new BufferedReader(new FileReader(filepath));
            s1 =" ";
            s2 =" ";
            while((s1 = br.readLine())!=null)
            {
              s2+=s1+" ";
            }
            t1.setText(s2);
            s2=s2.toLowerCase();
            br.close();
          }
          catch(Exception o)
          {
            o.printStackTrace();
          }
        }
     }
     else if(e.getSource()==a)
     {
       ca=0;
        for(int i=0;i<s2.length();i++)
        {
          if(s2.charAt(i)>='a' && s2.charAt(i)<='z')
          {
          if(s2.charAt(i)=='a'|| s2.charAt(i)=='e'|| s2.charAt(i)=='i'|| s2.charAt(i)=='o'|| s2.charAt(i)=='u')
          {
            ca+=0;
          }
          else
          {
            ca+=1;
          }
         }
        }
        t2.setText(Integer.toString(ca));
     }
     else if(e.getSource()==b)
     {
       cv=0;
       s2=s2.toLowerCase();
        for(int i=0;i<s2.length();i++)
        {
          if(s2.charAt(i)=='a'|| s2.charAt(i)=='e'|| s2.charAt(i)=='i'|| s2.charAt(i)=='o'|| s2.charAt(i)=='u')
          {
            cv+=1;
          }
        }
        t3.setText(Integer.toString(cv));
     }
     else if(e.getSource()==c)
     {
       cp=0;
       for(int i=0;i<s2.length();i++)
       {
         if(s2.charAt(i)=='.'||s2.charAt(i)=='?'||s2.charAt(i)==','||s2.charAt(i)=='!'||s2.charAt(i)== '"'||s2.charAt(i)==39||s2.charAt(i)==';'||s2.charAt(i)==':'||s2.charAt(i)==40||s2.charAt(i)==41||s2.charAt(i)==91||s2.charAt(i)==93||s2.charAt(i)=='_')
         {
           cp+=1;
         }
       }
       t4.setText(Integer.toString(cp));
     }
     else if(e.getSource()==d)
     {
       s2 = s2.toUpperCase();
       t5.setText(s2);
     }
     else if(e.getSource() == save)
     {
       try{
         int y=0;
         for(int i=0;i<fn.length();i++)
         {
           if(fn.charAt(i)==47)
           {
             y=i;
           }
         }
         fn = fn.substring(0, y+1) + "u" + fn.substring(y+1, fn.length());
        File file = new File(fn);
        FileWriter f =new FileWriter(file);
        BufferedWriter o = new BufferedWriter(f);
        o.write(s2);
        o.close();
       }
       catch(Exception g)
       {
         g.printStackTrace();
       }
     }
     else if(e.getSource()==s)
     {
        t1.setText(" ");
        t2.setText(" ");
        t3.setText(" ");
        t4.setText(" ");
        t5.setText(" ");
     }
}
  public static void main(String[] args)
  {
    Question1 o = new Question1();
    o.setSize(500,500);
    o.setLayout(null);
    o.setVisible(true);
    o.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  }
}