philosophersjtable.java

java 编程源代码

// PhilosophersJTable.java
// MVC architecture using JTable with a DefaultTableModel
package com.deitel.advjhtp1.mvc.table;

// Java core packages
import java.awt.*;
import java.awt.event.*;

// Java extension packages
import javax.swing.*;
import javax.swing.table.*;

public class PhilosophersJTable extends JFrame {

   private DefaultTableModel philosophers;
   private JTable table;

   // PhilosophersJTable constructor
   public PhilosophersJTable() 
   {
      super( "Favorite Philosophers" );

      // create a DefaultTableModel to store philosophers
      philosophers = new DefaultTableModel();      
      
      // add Columns to DefaultTableModel
      philosophers.addColumn( "First Name" );
      philosophers.addColumn( "Last Name" );
      philosophers.addColumn( "Years" );
      
      // add philosopher names and dates to DefaultTableModel
      String[] socrates = { "Socrates", "", "469-399 B.C." };
      philosophers.addRow( socrates );
      
      String[] plato = { "Plato", "", "428-347 B.C." };
      philosophers.addRow( plato );
      
      String[] aquinas = { "Thomas", "Aquinas", "1225-1274" };
      philosophers.addRow( aquinas );
      
      String[] kierkegaard = { "Soren", "Kierkegaard", 
         "1813-1855" };
      philosophers.addRow( kierkegaard );
      
      String[] kant = { "Immanuel", "Kant", "1724-1804" };
      philosophers.addRow( kant );
      
      String[] nietzsche = { "Friedrich", "Nietzsche", 
         "1844-1900" };
      philosophers.addRow( nietzsche );
      
      String[] arendt = { "Hannah", "Arendt", "1906-1975" };
      philosophers.addRow( arendt );
      
      // create a JTable for philosophers DefaultTableModel
      table = new JTable( philosophers ); 
      
      // create JButton for adding philosophers
      JButton addButton = new JButton( "Add Philosopher" );
      addButton.addActionListener(
         new ActionListener() {
            
            public void actionPerformed( ActionEvent event ) 
            {
               // create empty array for new philosopher row
               String[] philosopher = { "", "", "" };
               
               // add empty philosopher row to model
               philosophers.addRow( philosopher );
            }
         }
      );
      
      // create JButton for removing selected philosopher
      JButton removeButton = 
         new JButton( "Remove Selected Philosopher" );
      
      removeButton.addActionListener(
         new ActionListener() {
            
            public void actionPerformed( ActionEvent event ) 
            {
               // remove selected philosopher from model
               philosophers.removeRow( 
                  table.getSelectedRow() );
            }
         }
      );
      
      // lay out GUI components
      JPanel inputPanel = new JPanel();
      inputPanel.add( addButton );
      inputPanel.add( removeButton );
      
      Container container = getContentPane();       
      container.add( new JScrollPane( table ), 
         BorderLayout.CENTER );      
      container.add( inputPanel, BorderLayout.NORTH );
      
      setDefaultCloseOperation( EXIT_ON_CLOSE );      
      setSize( 400, 300 );
      setVisible( true );
      
   } // end PhilosophersJTable constructor

   // execute application
   public static void main( String args[] ) 
   {
      new PhilosophersJTable();
   }
}

/***************************************************************
 * (C) Copyright 2002 by Deitel & Associates, Inc. and         *
 * Prentice Hall. All Rights Reserved.                         *
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 * efforts include the development, research, and testing of   *
 * the theories and programs to determine their effectiveness. *
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 * expressed or implied, with regard to these programs or to   *
 * the documentation contained in these books. The authors     *
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