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import javax.swing.*;
 
import java.awt.event.*;
import java.awt.*;
import java.util.ArrayList;
 
/**
 * 
 */
public class ListEtat extends JPanel {
 
    private JToggleButton invokePopupButton;
    protected JPopupMenu popup;
    protected ArrayList etat = new ArrayList();
 
    public ListEtat() {
    	popup = new JPopupMenu();
 
        invokePopupButton = new JToggleButton("Etats désirés   V");
        invokePopupButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                if (!popup.isVisible()) {
                	invokePopupButton.setText("Etats désirés   ^");
                    Point location = invokePopupButton.getLocation();
                    SwingUtilities.convertPointToScreen(location, invokePopupButton.getParent());
                    location.translate(0, invokePopupButton.getHeight()
                            + (invokePopupButton.getBorder() == null ? 0
                                : invokePopupButton.getBorder().getBorderInsets(invokePopupButton).bottom));
                    popup.setLocation(location);
 
                    popup.removeAll();
                    for(int i = 0; i<etat.size(); i++){
                    	JCheckBox tmp = (JCheckBox)etat.get(i);
                    	popup.add(tmp);
                    }
                    popup.addSeparator();
                    popup.add(new JCheckBox("Tous"));
 
                    popup.validate();
                    popup.repaint();
 
                    popup.setVisible(true);
                    popup.requestFocus();
                } else {
                	invokePopupButton.setText("Etats désirés   V");
                    popup.setVisible(false);
                }
            }
        });
 
        this.add(invokePopupButton, BorderLayout.CENTER);
 
    	popup.addFocusListener(new FocusListener() {
        public void focusGained(FocusEvent e) {
 
        }
 
        public void focusLost(FocusEvent e) {
            SwingUtilities.invokeLater(new Runnable() {
                public void run() {
                    if (popup.isVisible())
                        invokePopupButton.doClick();
                }
            });
        }
    });
    }
} | 
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