// Fig. 17.4: BankUI.java
// A reusable GUI for the examples in this chapter.
package com.deitel.jhtp3.ch17;
import java.awt.*;
import javax.swing.*;

public class BankUI extends JPanel {
   protected final static String names[] = { "Account number",
      "First name", "Last name", "Balance", 
      "Transaction Amount" };
   protected JLabel labels[];
   protected JTextField fields[];
   protected JButton doTask, doTask2;
   protected JPanel innerPanelCenter, innerPanelSouth;
   protected int size = 4;
   public static final int ACCOUNT = 0, FIRST = 1, LAST = 2,
                           BALANCE = 3, TRANSACTION = 4;                           

   public BankUI()
   {
      this( 4 );
   }

   public BankUI( int mySize )
   {
      size = mySize;
      labels = new JLabel[ size ];
      fields = new JTextField[ size ];

      for ( int i = 0; i < labels.length; i++ )
         labels[ i ] = new JLabel( names[ i ] );
            
      for ( int i = 0; i < fields.length; i++ )
         fields[ i ] = new JTextField();

      innerPanelCenter = new JPanel();
      innerPanelCenter.setLayout( new GridLayout( size, 2 ) );

      for ( int i = 0; i < size; i++ ) {
         innerPanelCenter.add( labels[ i ] );
         innerPanelCenter.add( fields[ i ] );
      }
      
      doTask = new JButton();
      doTask2 = new JButton(); 
      innerPanelSouth = new JPanel();      
      innerPanelSouth.add( doTask2 );
      innerPanelSouth.add( doTask );

      setLayout( new BorderLayout() );
      add( innerPanelCenter, BorderLayout.CENTER );
      add( innerPanelSouth, BorderLayout.SOUTH );
      validate();
   }

   public JButton getDoTask() { return doTask; }

   public JButton getDoTask2() { return doTask2; }

   public JTextField[] getFields() { return fields; }

   public void clearFields()
   {
      for ( int i = 0; i < size; i++ )
         fields[ i ].setText( "" );
   }

   public void setFieldValues( String s[] )
      throws IllegalArgumentException
   {
      if ( s.length != size )
         throw new IllegalArgumentException( "There must be "
            + size + " Strings in the array" );

      for ( int i = 0; i < size; i++ )
         fields[ i ].setText( s[ i ] );
   }

   public String[] getFieldValues()
   { 
      String values[] = new String[ size ];

      for ( int i = 0; i < size; i++ ) 
         values[ i ] = fields[ i ].getText();

      return values;
   }
}

/**************************************************************************
 * (C) Copyright 1999 by Deitel & Associates, Inc. and Prentice Hall.     *
 * All Rights Reserved.                                                   *
 *                                                                        *
 * DISCLAIMER: The authors and publisher of this book have used their     *
 * best efforts in preparing the book. These efforts include the          *
 * development, research, and testing of the theories and programs        *
 * to determine their effectiveness. The authors and publisher make       *
 * no warranty of any kind, expressed or implied, with regard to these    *
 * programs or to the documentation contained in these books. The authors *
 * and publisher shall not be liable in any event for incidental or       *
 * consequential damages in connection with, or arising out of, the       *
 * furnishing, performance, or use of these programs.                     *
 *************************************************************************/