// Fig. 13.2: CustomPanelTest.java // Using a customized Panel object. import java.awt.*; import java.awt.event.*; import javax.swing.*; public class CustomPanelTest extends JFrame { private JPanel buttonPanel; private CustomPanel myPanel; private JButton circle, square; public CustomPanelTest() { super( "CustomPanel Test" ); myPanel = new CustomPanel(); // instantiate canvas myPanel.setBackground( Color.green ); square = new JButton( "Square" ); square.addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { myPanel.draw( CustomPanel.SQUARE ); } } ); circle = new JButton( "Circle" ); circle.addActionListener( new ActionListener() { public void actionPerformed( ActionEvent e ) { myPanel.draw( CustomPanel.CIRCLE ); } } ); buttonPanel = new JPanel(); buttonPanel.setLayout( new GridLayout( 1, 2 ) ); buttonPanel.add( circle ); buttonPanel.add( square ); Container c = getContentPane(); c.add( myPanel, BorderLayout.CENTER ); c.add( buttonPanel, BorderLayout.SOUTH ); setSize( 300, 150 ); show(); } public static void main( String args[] ) { CustomPanelTest app = new CustomPanelTest(); app.addWindowListener( new WindowAdapter() { public void windowClosing( WindowEvent e ) { System.exit( 0 ); } } ); } } /************************************************************************** * (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. * *************************************************************************/