Swing II - Absolute Java - page 1066

Display 18.21 Using drawString (part 1 of 2)

1 import javax.swing.JFrame;
2 import javax.swing.JPanel;
3 import javax.swing.JButton;
4 import java.awt.event.ActionListener;
5 import java.awt.event.ActionEvent;
6 import java.awt.BorderLayout;
7 import java.awt.Graphics;
8 import java.awt.Color;
9 import java.awt.Font;

10 public class DrawStringDemo extends JFrame
11

implements ActionListener

12 {
13 public static final int WIDTH = 350;

14 public static final int HEIGHT = 200;

15 public static final int X_START = 20;

16 public static final int Y_START = 100;

17 public static final int POINT_SIZE = 24;

18 private String theText = "Push the button.";

19 private Color penColor = Color.BLACK;

20 private Font fontObject =

21 new Font("SansSerif", Font.PLAIN, POINT_SIZE);

22 public static void main(String[] args)
23 {
24 DrawStringDemo gui = new DrawStringDemo();
25 gui.setVisible( true );
26 }

27 public DrawStringDemo()
28 {
29 setSize(WIDTH, HEIGHT);
30 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
31 setTitle("drawString Demonstration");

32 getContentPane().setBackground(Color.WHITE);
33 setLayout( new BorderLayout());

34 JPanel buttonPanel = new JPanel();
35 buttonPanel.setBackground(Color.GRAY);
36 buttonPanel.setLayout( new BorderLayout());
37 JButton theButton = new JButton("The Button");
38 theButton.addActionListener( this );

39 buttonPanel.add(theButton, BorderLayout.CENTER);

40 add(buttonPanel, BorderLayout.SOUTH);
41 }