// Fig. 25.33: AddressBookDisplay.java
// A simple address book
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.util.List; 
import javax.swing.JButton;
import javax.swing.Box;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.WindowConstants;
import javax.swing.BoxLayout;
import javax.swing.BorderFactory;
import javax.swing.JOptionPane;

public class AddressBookDisplay extends JFrame
{
   private Person currentEntry;
   private PersonQueries personQueries;
   private List< Person > results;   
   private int numberOfEntries = 0;
   private int currentEntryIndex;

   private JButton browseButton;
   private JLabel emailLabel;
   private JTextField emailTextField;
   private JLabel firstNameLabel;
   private JTextField firstNameTextField;
   private JLabel idLabel;
   private JTextField idTextField;
   private JTextField indexTextField;
   private JLabel lastNameLabel;
   private JTextField lastNameTextField;
   private JTextField maxTextField;
   private JButton nextButton;
   private JLabel ofLabel;
   private JLabel phoneLabel;
   private JTextField phoneTextField;
   private JButton previousButton;
   private JButton queryButton;
   private JLabel queryLabel;
   private JPanel queryPanel;
   private JPanel navigatePanel;
   private JPanel displayPanel;
   private JTextField queryTextField;
   private JButton insertButton;
   
   // no-argument constructor
   public AddressBookDisplay()
   {
      super( "Address Book" ); 
      
      // establish database connection and set up PreparedStatements
      personQueries = new PersonQueries(); 
      
      // create GUI
      navigatePanel = new JPanel();
      previousButton = new JButton();
      indexTextField = new JTextField( 2 );
      ofLabel = new JLabel();
      maxTextField = new JTextField( 2 );
      nextButton = new JButton();
      displayPanel = new JPanel();
      idLabel = new JLabel();
      idTextField = new JTextField( 10 );
      firstNameLabel = new JLabel();
      firstNameTextField = new JTextField( 10 );
      lastNameLabel = new JLabel();
      lastNameTextField = new JTextField( 10 );
      emailLabel = new JLabel();
      emailTextField = new JTextField( 10 );
      phoneLabel = new JLabel();
      phoneTextField = new JTextField( 10 );
      queryPanel = new JPanel();
      queryLabel = new JLabel();
      queryTextField = new JTextField( 10 );
      queryButton = new JButton();
      browseButton = new JButton();
      insertButton = new JButton();

      setLayout( new FlowLayout( FlowLayout.CENTER, 10, 10 ) );
      setSize( 400, 300 );
      setResizable( false );

      navigatePanel.setLayout(
         new BoxLayout( navigatePanel, BoxLayout.X_AXIS ) );

      previousButton.setText( "Previous" );
      previousButton.setEnabled( false );
      previousButton.addActionListener(
         new ActionListener()
         {
            public void actionPerformed( ActionEvent evt )
            {
               previousButtonActionPerformed( evt );
            } // end method actionPerformed
         } // end anonymous inner class
      ); // end call to addActionListener

      navigatePanel.add( previousButton );
      navigatePanel.add( Box.createHorizontalStrut( 10 ) );

      indexTextField.setHorizontalAlignment(
         JTextField.CENTER );
      indexTextField.addActionListener(
         new ActionListener()
         {
            public void actionPerformed( ActionEvent evt )
            {
               indexTextFieldActionPerformed( evt );
            } // end method actionPerformed
         } // end anonymous inner class
      ); // end call to addActionListener

      navigatePanel.add( indexTextField );
      navigatePanel.add( Box.createHorizontalStrut( 10 ) );

      ofLabel.setText( "of" );
      navigatePanel.add( ofLabel );
      navigatePanel.add( Box.createHorizontalStrut( 10 ) );

      maxTextField.setHorizontalAlignment(
         JTextField.CENTER );
      maxTextField.setEditable( false );
      navigatePanel.add( maxTextField );
      navigatePanel.add( Box.createHorizontalStrut( 10 ) );

      nextButton.setText( "Next" );
      nextButton.setEnabled( false );
      nextButton.addActionListener(
         new ActionListener()
         {
            public void actionPerformed( ActionEvent evt )
            {
               nextButtonActionPerformed( evt );
            } // end method actionPerformed
         } // end anonymous inner class
      ); // end call to addActionListener

      navigatePanel.add( nextButton );
      add( navigatePanel );

      displayPanel.setLayout( new GridLayout( 5, 2, 4, 4 ) );

      idLabel.setText( "Address ID:" );
      displayPanel.add( idLabel );

      idTextField.setEditable( false );
      displayPanel.add( idTextField );

      firstNameLabel.setText( "First Name:" );
      displayPanel.add( firstNameLabel );
      displayPanel.add( firstNameTextField );

      lastNameLabel.setText( "Last Name:" );
      displayPanel.add( lastNameLabel );
      displayPanel.add( lastNameTextField );

      emailLabel.setText( "Email:" );
      displayPanel.add( emailLabel );
      displayPanel.add( emailTextField );

      phoneLabel.setText( "Phone Number:" );
      displayPanel.add( phoneLabel );
      displayPanel.add( phoneTextField );
      add( displayPanel );

      queryPanel.setLayout( 
         new BoxLayout( queryPanel, BoxLayout.X_AXIS) );

      queryPanel.setBorder( BorderFactory.createTitledBorder(
         "Find an entry by last name" ) );
      queryLabel.setText( "Last Name:" );
      queryPanel.add( Box.createHorizontalStrut( 5 ) );
      queryPanel.add( queryLabel );
      queryPanel.add( Box.createHorizontalStrut( 10 ) );
      queryPanel.add( queryTextField );
      queryPanel.add( Box.createHorizontalStrut( 10 ) );

      queryButton.setText( "Find" );
      queryButton.addActionListener(
         new ActionListener()
         {
            public void actionPerformed( ActionEvent evt )
            {
               queryButtonActionPerformed( evt );
            } // end method actionPerformed
         } // end anonymous inner class
      ); // end call to addActionListener

      queryPanel.add( queryButton );
      queryPanel.add( Box.createHorizontalStrut( 5 ) );
      add( queryPanel );

      browseButton.setText( "Browse All Entries" );
      browseButton.addActionListener(
         new ActionListener()
         {
            public void actionPerformed( ActionEvent evt )
            {
               browseButtonActionPerformed( evt );
            } // end method actionPerformed
         } // end anonymous inner class
      ); // end call to addActionListener

      add( browseButton );

      insertButton.setText( "Insert New Entry" );
      insertButton.addActionListener(
         new ActionListener()
         {
            public void actionPerformed( ActionEvent evt )
            {
               insertButtonActionPerformed( evt );
            } // end method actionPerformed
         } // end anonymous inner class
      ); // end call to addActionListener

	add( insertButton );
	
      setVisible( true );
   } // end no-argument constructor

   // handles call when previousButton is clicked
   private void previousButtonActionPerformed( ActionEvent evt )
   {
      currentEntryIndex--;
      
      if ( currentEntryIndex < 0 )
         currentEntryIndex = numberOfEntries - 1;
      
      indexTextField.setText( "" + ( currentEntryIndex + 1 ) );
      indexTextFieldActionPerformed( evt );  
   } // end method previousButtonActionPerformed

   // handles call when nextButton is clicked
   private void nextButtonActionPerformed( ActionEvent evt ) 
   {
      currentEntryIndex++;
      
      if ( currentEntryIndex >= numberOfEntries )
         currentEntryIndex = 0;
      
      indexTextField.setText( "" + ( currentEntryIndex + 1 ) );
      indexTextFieldActionPerformed( evt );
   } // end method nextButtonActionPerformed

   // handles call when queryButton is clicked
   private void queryButtonActionPerformed( ActionEvent evt )
   {
      results = personQueries.getPeopleByLastName( queryTextField.getText() );
      numberOfEntries = results.size();
      
      if ( numberOfEntries != 0 )
      {
         currentEntryIndex = 0;
         currentEntry = results.get( currentEntryIndex );
         idTextField.setText("" + currentEntry.getAddressID() );
         firstNameTextField.setText( currentEntry.getFirstName() );
         lastNameTextField.setText( currentEntry.getLastName() );
         emailTextField.setText( currentEntry.getEmail() );
         phoneTextField.setText( currentEntry.getPhoneNumber() );
         maxTextField.setText( "" + numberOfEntries );
         indexTextField.setText( "" + ( currentEntryIndex + 1 ) );
         nextButton.setEnabled( true );
         previousButton.setEnabled( true );
      } // end if
      else
         browseButtonActionPerformed( evt );
   } // end method queryButtonActionPerformed

   // handles call when a new value is entered in indextTextField
   private void indexTextFieldActionPerformed( ActionEvent evt )
   {
      currentEntryIndex = 
         ( Integer.parseInt( indexTextField.getText() ) - 1 );
      
      if ( numberOfEntries != 0 && currentEntryIndex < numberOfEntries )
      {
         currentEntry = results.get( currentEntryIndex );
         idTextField.setText("" + currentEntry.getAddressID() );
         firstNameTextField.setText( currentEntry.getFirstName() );
         lastNameTextField.setText( currentEntry.getLastName() );
         emailTextField.setText( currentEntry.getEmail() );
         phoneTextField.setText( currentEntry.getPhoneNumber() );
         maxTextField.setText( "" + numberOfEntries );
         indexTextField.setText( "" + ( currentEntryIndex + 1 ) );
      } // end if
    } // end method indexTextFieldActionPerformed

   // handles call when browseButton is clicked
   private void browseButtonActionPerformed( ActionEvent evt )
   {
      try
      {
         results = personQueries.getAllPeople();
         numberOfEntries = results.size();
      
         if ( numberOfEntries != 0 )
         {
            currentEntryIndex = 0;
            currentEntry = results.get( currentEntryIndex );
            idTextField.setText("" + currentEntry.getAddressID() );
            firstNameTextField.setText( currentEntry.getFirstName() );
            lastNameTextField.setText( currentEntry.getLastName() );
            emailTextField.setText( currentEntry.getEmail() );
            phoneTextField.setText( currentEntry.getPhoneNumber() );
            maxTextField.setText( "" + numberOfEntries );
            indexTextField.setText( "" + ( currentEntryIndex + 1 ) );
            nextButton.setEnabled( true );
            previousButton.setEnabled( true );
         } // end if
      } // end try
      catch ( Exception e )
      {
         e.printStackTrace();
      } // end catch
   } // end method browseButtonActionPerformed

   // handles call when insertButton is clicked
   private void insertButtonActionPerformed( ActionEvent evt ) 
   {
      int result = personQueries.addPerson( firstNameTextField.getText(),
         lastNameTextField.getText(), emailTextField.getText(),
         phoneTextField.getText() );
      
      if ( result == 1 )
         JOptionPane.showMessageDialog( this, "Person added!",
            "Person added", JOptionPane.PLAIN_MESSAGE );
      else
         JOptionPane.showMessageDialog( this, "Person not added!",
            "Error", JOptionPane.PLAIN_MESSAGE );
          
      browseButtonActionPerformed( evt );
   } // end method insertButtonActionPerformed
   
   // main method
   public static void main( String args[] )
   {
      AddressBookDisplay application = new AddressBookDisplay();
      application.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
   } // end method main
} // end class AddressBookDisplay


/**************************************************************************
 * (C) Copyright 1992-2007 by Deitel & Associates, Inc. and               *
 * Pearson Education, Inc. All Rights Reserved.                           *
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