Swing II - Java - page 1009

Display 18.20 JColorChooser Dialog (part 1 of 2)

1 import javax.swing.JFrame;

2 import javax.swing.JPanel;

3 import javax.swing.JButton;

4 import javax.swing.JColorChooser;

5 import java.awt.event.ActionListener;

6 import java.awt.event.ActionEvent;

7 import java.awt.BorderLayout;

8 import java.awt.FlowLayout;

9 import java.awt.Color;

10 public class JColorChooserDemo extends JFrame

11 implements ActionListener

12 {

13 public static final int WIDTH = 400;

14 public static final int HEIGHT = 200;

15 private Color sampleColor = Color.LIGHT_GRAY;

16 public static void main (String[] args)

17 {

18 JColorChooserDemo gui = new JColorChooserDemo();

19 gui.setVisible( true );

20 }

21 public JColorChooserDemo()

22 {

23 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

24 getContentPane().setBackground(sampleColor);

25 setLayout( new BorderLayout());

26 setTitle("JColorChooser Demo");

27 setSize(WIDTH, HEIGHT);

28 JPanel buttonPanel = new JPanel();

29 buttonPanel.setBackground(Color.WHITE);

30 buttonPanel.setLayout( new FlowLayout());

31 JButton chooseButton = new JButton("Choose a Color");

32 chooseButton.addActionListener( this );

33 buttonPanel.add(chooseButton);

34 add(buttonPanel, BorderLayout.SOUTH);

35 }

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