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| import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.ActionMap;
import javax.swing.InputMap;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JPopupMenu;
import javax.swing.KeyStroke;
import javax.swing.SwingUtilities;
public class DemoPopup extends JPanel {
private static final long serialVersionUID = 1L;
public static void main(String[] args) {
SwingUtilities.invokeLater(()-> demo());
}
public static void demo() {
JFrame frame =new JFrame("Démo Popup");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setContentPane( new DemoPopup() );
frame.setJMenuBar(createMenuBar());
frame.setSize(200, 200);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
private static JMenuBar createMenuBar() {
JMenuBar menuBar = new JMenuBar();
menuBar.getAccessibleContext().setAccessibleName("Menus de la fenêtre");
menuBar.getAccessibleContext().setAccessibleDescription("Menu de la fenêtre");
JMenu menu = new JMenu("Mes menus");
menu.getAccessibleContext().setAccessibleName("Mes menus");
menu.getAccessibleContext().setAccessibleDescription("Tous les menus de la fenêtre");
menuBar.add(menu);
addAction(
menu,
"Menu 4",
'1',
KeyStroke.getKeyStroke(KeyEvent.VK_4, KeyEvent.CTRL_MASK),
"Ceci est le menu 4",
(e)-> System.out.println("Menu 4 choisi")
);
return menuBar;
}
public DemoPopup() {
setFocusable(true); // le panel aura le focus
JPopupMenu popup = new JPopupMenu("Démo popup");
popup.getAccessibleContext().setAccessibleName("Menu contextuel");
popup.getAccessibleContext().setAccessibleDescription("Menu contextuel");
addAction(
popup,
"MENU1",
"Menu 1",
'1',
KeyStroke.getKeyStroke(KeyEvent.VK_1, KeyEvent.CTRL_MASK),
"Ceci est le menu 1",
(e)-> System.out.println("Menu 1 choisi")
);
addAction(
popup,
"MENU2",
"Menu 2",
'2',
KeyStroke.getKeyStroke(KeyEvent.VK_2, KeyEvent.CTRL_MASK),
"Ceci est le menu 2",
(e)-> System.out.println("Menu 2 choisi")
);
addAction(
popup,
"MENU3",
"Menu 3",
'3',
KeyStroke.getKeyStroke(KeyEvent.VK_3, KeyEvent.CTRL_MASK),
"Ceci est le menu 3",
(e)-> System.out.println("Menu 3 choisi")
);
setComponentPopupMenu(popup);
}
private static void addAction( JMenu menu, String text, char mnemonic, KeyStroke accelerator, String accessibleDescription, ActionListener actionListener ) {
Action action = new ActionMenu( text, actionListener );
menu.add(createMenu(text, mnemonic, accelerator, accessibleDescription, action ));
}
private void addAction( JPopupMenu popupMenu, String command, String text, char mnemonic, KeyStroke accelerator, String accessibleDescription, ActionListener actionListener ) {
Action action = new ActionMenu( text, actionListener );
InputMap inputMap = getInputMap();
ActionMap actionMap = getActionMap();
actionMap.put( command , action );
inputMap.put( accelerator, command );
popupMenu.add(createMenu(text, mnemonic, accelerator, accessibleDescription, action ));
}
private static JMenuItem createMenu(String text, char mnemonic, KeyStroke accelerator, String accessibleDescription, Action action) {
JMenuItem menuItem = new JMenuItem(action);
menuItem.getAccessibleContext().setAccessibleName(text);
menuItem.getAccessibleContext().setAccessibleDescription(accessibleDescription);
menuItem.setMnemonic(mnemonic);
menuItem.setAccelerator(accelerator);
return menuItem;
}
private static class ActionMenu extends AbstractAction {
private static final long serialVersionUID = 1L;
private final ActionListener actionListener;
public ActionMenu(String name, ActionListener actionListener) {
super(name);
this.actionListener=actionListener;
}
@Override
public void actionPerformed(ActionEvent e) {
actionListener.actionPerformed(e);
}
}
} |
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