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copied!<p>You will need to create your own instance of <code>JColorChooser</code> and <code>JDialog</code> so that you can attach a <code>ChangeListener</code> to the <code>ColorSelectionModel</code> of the <code>JColorChooser</code>.</p> <p>Here is a small demo code that shows how to perform such operations:</p> <pre><code>import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.Window; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JColorChooser; import javax.swing.JDialog; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.SwingUtilities; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; public class TestColorChooser { protected void initUI() { JFrame frame = new JFrame(TestColorChooser.class.getSimpleName()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); final JPanel panel = new JPanel() { @Override public java.awt.Dimension getPreferredSize() { return new Dimension(400, 400); }; }; final JButton button = new JButton("Click me to change color"); button.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { Window parentWindow = SwingUtilities.windowForComponent(button); final JColorChooser chooser = new JColorChooser(panel.getBackground()); chooser.getSelectionModel().addChangeListener(new ChangeListener() { @Override public void stateChanged(ChangeEvent e) { panel.setBackground(chooser.getColor()); } }); JDialog dialog = new JDialog(parentWindow); dialog.add(chooser); dialog.pack(); dialog.setLocation(panel.getLocationOnScreen().x + panel.getWidth(), panel.getLocationOnScreen().y); dialog.setVisible(true); } }); frame.add(panel); frame.add(button, BorderLayout.SOUTH); frame.pack(); frame.setVisible(true); } public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { new TestColorChooser().initUI(); } }); } } </code></pre>

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