I am using the splitbutton in my project. when i am clking the dropdown button a menu will be displayed. but is not hiding or disable when i am click the mouse on the jpanel.
Please help me any one!

//The code is below



import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.plaf.basic.BasicArrowButton;

public class SplitButton extends JButton implements ActionListener

{

private JButton mainButton;

private JButton dropDownButton;

private JPopupMenu dropDownMenu;

public SplitButton()

{

this(" ");

}

public SplitButton(String text)

{

this(new JButton(text), SwingConstants.SOUTH);

}

public SplitButton(String text, int orientation)

{

this(new JButton(text), orientation);

}


public SplitButton(JButton mainButton, int orientation)

{

super();

this.mainButton = mainButton;

this.dropDownButton = new BasicArrowButton(orientation);

dropDownButton.addActionListener(this);

this.setBorderPainted(false);

this.dropDownButton.setBorderPainted(false);

this.mainButton.setBorderPainted(false);

this.setPreferredSize(new Dimension(75, 34));

this.setMaximumSize(new Dimension(75, 34));

this.setMinimumSize(new Dimension(200, 34));

this.setLayout(new BorderLayout());

this.setMargin(new Insets(-3, -3,-3,-3));

this.add(mainButton, BorderLayout.CENTER);

this.add(dropDownButton, BorderLayout.EAST);

}


public void setMenu(JPopupMenu menu)

{

this.dropDownMenu = menu;

}

public JButton getMainButton()

{

return mainButton;

}

public JButton getDropDownButton()

{

return dropDownButton;

}

public JPopupMenu getMenu()

{

return dropDownMenu;

}

public void actionPerformed(ActionEvent e)

{

if(this.dropDownMenu == null)

{

return;

}

if(!dropDownMenu.isVisible())

{

Point p = this.getLocationOnScreen();

dropDownMenu.setLocation( (int) p.getX(),(int) p.getY() + this.getHeight());

dropDownMenu.setVisible(true);

}

else

{

dropDownMenu.setVisible(false);

}

}

public void addActionListener(ActionListener al)

{

this.mainButton.addActionListener(al);

this.addActionListener(al);

}

public class Draw extends JPanel

{

public void mousePressed(MouseEvent e)

{

dropDownMenu.setVisible(false);

}

}

public static void test()

{

JFrame frame = new JFrame("Simple Split Button Test");

frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

frame.getContentPane().setLayout(new BorderLayout());

JPanel p = new JPanel();

p.setLayout(new BorderLayout());

JToolBar toolBar = new JToolBar("tb");

JButton sbButton = new JButton("sb");

sbButton.setBackground(Color.BLACK);

sbButton.setContentAreaFilled(false);

SplitButton sb = new SplitButton(sbButton, SwingConstants.SOUTH);

toolBar.add(new JButton("test button"));

toolBar.add(sb);

p.add(new JLabel("SplitButton test"), BorderLayout.CENTER);

JPopupMenu testMenu = new JPopupMenu("test menu");

testMenu.add(addMI("menuItem1"));

testMenu.add(addMI("menuItem2"));

sb.setMenu(testMenu);

frame.getContentPane().add(toolBar, BorderLayout.NORTH);

frame.getContentPane().add(p, BorderLayout.CENTER);

frame.setSize(200, 100);

frame.show();

/* frame.addMouseListener( new MouseAdapter()

{

public void mousePressed(MouseEvent evt)

{

dropDownMenu.setVisible(false);

}

} );*/

}

private static JMenuItem addMI(String text)

{

JMenuItem mi = new JMenuItem(text);

mi.addActionListener(new ActionListener()

{

public void actionPerformed(ActionEvent e)

{

System.out.println(e.getActionCommand());

}

});

return mi;

}


public static void main(String[] args)

{

test();

}

}