/*
    Chapter 9:    Maintaining a Phone Book with ArrayLists
    Date:          11 April 2008
    Purpose:    This program uses arraylists to maintain a phone book
*/

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;

public class PhoneBook extends JFrame implements ActionListener
{
    ArrayList nameList;
    ArrayList phoneList;
    String name;
    String phone;
    double phoneNum;
    int index;

    JPanel northPanel  = new JPanel();
    JPanel centerPanel = new JPanel();
    JPanel southPanel  = new JPanel();

    JLabel nameLabel     = new JLabel("Name");
    JTextField nameField = new JTextField(20);

    JLabel phoneLabel     = new JLabel("Phone");
    JTextField phoneField = new JTextField(20);

    JButton addBttn    = new JButton("Add");
    JButton deleteBttn = new JButton("Delete");
    JButton updateBttn = new JButton("Update");
    JButton findBttn   = new JButton("Find");


    public PhoneBook()
    {
        super ("Phone Book");

        Container c = getContentPane();
        c.setLayout(new BorderLayout());

        northPanel.setLayout(new FlowLayout(FlowLayout.LEFT));
        centerPanel.setLayout(new FlowLayout(FlowLayout.LEFT));
        southPanel.setLayout(new FlowLayout());

        northPanel.add(nameLabel);
        northPanel.add(nameField);

        centerPanel.add(phoneLabel);
        centerPanel.add(phoneField);

        southPanel.add(addBttn);
        southPanel.add(deleteBttn);
        southPanel.add(updateBttn);
        southPanel.add(findBttn);

        c.add(northPanel,BorderLayout.NORTH);
        c.add(centerPanel,BorderLayout.CENTER);
        c.add(southPanel,BorderLayout.SOUTH);

        addBttn.addActionListener(this);
        deleteBttn.addActionListener(this);
        updateBttn.addActionListener(this);
        findBttn.addActionListener(this);
    }

    public static void main(String[] args)
    {
        try
        {
            UIManager.setLookAndFeel("com.sun.java.swing.plaf.motif.MotifLookAndFeel");
        }

        catch(Exception ex)
        {
            JOptionPane.showMessageDialog(null,"The UIManager couldn't setthe motif look and feel","Error",JOptionPane.ERROR_MESSAGE);
        }

        PhoneBook f = new PhoneBook();
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.setSize(300,140);
        f.setLocation(350,350);
        f.setVisible(true);
    }

    public void actionPerformed(ActionEvent e)
    {
        index = 0;
        boolean nameAdded;
        boolean phoneAdded;
        name = new String (nameField.getText());
        phone = new String (phoneField.getText());
        nameList = new ArrayList(index);
        phoneList = new ArrayList(index);


        if(e.getSource() == addBttn)
        {
            nameAdded = nameList.add(name);
            phoneAdded = phoneList.add(phone);
            if(nameList.contains(name))
            {
                JOptionPane.showMessageDialog(null,"The name "+name+" and the phone number "+phone+"  was successfully added","Info",JOptionPane.INFORMATION_MESSAGE);

                clear();

            }
        }

        if(e.getSource() == deleteBttn)
        {
            if(validName())
            {
                int phoneIndex = getIndex();
                nameList.remove(phoneIndex);
                phoneList.remove(phoneIndex);
            }


            {
                JOptionPane.showMessageDialog(null,"The name "+nameField.getText()+" was successfully removed ","Info",JOptionPane.INFORMATION_MESSAGE);
                clear();
            }
        }

        if(e.getSource() == updateBttn)
        {
        }

        if(e.getSource() == findBttn)
        {
            int findIndex = getIndex();

            phoneField.setText((String)phoneList.get(findIndex));
        }
    }

    public void clear()
    {
        nameField.setText("");
        phoneField.setText("");
        nameField.requestFocus();
    }

    public int getIndex()
    {
        int index=0;

      if(validName())
      {
        for(int i = 0;i<nameList.size();i++)
        {
            if(nameField.getText().equals(nameList.get(i)))
            index = i;

        }
      }
      else
      {
          JOptionPane.showMessageDialog(null,"The list does not contain the name "+nameField.getText(),"Info",JOptionPane.INFORMATION_MESSAGE);
      }
        return index;
    }

    public boolean validName()
    {
        boolean validName = false;
        if(nameList.contains(nameField.getText()))

        validName = true;
        return validName;
    }
}

   public int getIndex()
   {
        int index=0;

        if(validName())
        {
             for(int i = 0;i<nameList.size();i++)
             {
                  if(nameField.getText().equals(nameList.get(i)))
                        index = i;

             }
         }
         else
         {
              JOptionPane.showMessageDialog(null,"The list does not contain the name "+nameField.getText(),"Info",JOptionPane.INFORMATION_MESSAGE);
          }

     return index;
}

public int getIndex()
{
     for(int i = 0;i<nameList.size();i++)
     {
           if(nameField.getText().equals(nameList.get(i)))
                 return i;
     }

     JOptionPane.showMessageDialog(null,"The list does not contain the name "+nameField.getText(),"Info",JOptionPane.INFORMATION_MESSAGE);
      
     return -1;
}

public void actionPerformed(ActionEvent e)
{
    index = 0;
    boolean nameAdded;
    boolean phoneAdded;
    name = new String (nameField.getText());
    phone = new String (phoneField.getText());
    nameList = new ArrayList(index);
    phoneList = new ArrayList(index);

public class PhoneBook extends JFrame implements ActionListener
{
    ArrayList nameList = new ArrayList();
    ArrayList phoneList = new ArrayList();
    String name;
    String phone;

        ArrayList<String> name = new ArrayList<String>();
        ArrayList<ArrayList<String>> phone = new ArrayList<ArrayList<String>>();
        HashMap<String,ArrayList<String>> phonebook_n = new HashMap<String,ArrayList<String>>();

        ArrayList<String> name = new ArrayList<String>();
        ArrayList<String> phone = new ArrayList<String>();
        HashMap<String,String> phonebook_1 = new HashMap<String,String>();