下面列出了怎么用java.awt.Menu的API类实例代码及写法，或者点击链接到github查看源代码。
private static void test3(final MenuBar menuBar) {
final Menu helpMenu1 = new Menu("Help Menu1");
final Menu helpMenu2 = new Menu("Help Menu2");
menuBar.setHelpMenu(helpMenu1);
checkCurrentMenu(menuBar, helpMenu1);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu1, true);
checkHelpMenu(helpMenu2, false);
menuBar.setHelpMenu(helpMenu2);
checkCurrentMenu(menuBar, helpMenu2);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu1, false);
checkHelpMenu(helpMenu2, true);
menuBar.remove(helpMenu2);
checkCurrentMenu(menuBar, null);
checkMenuCount(menuBar, 0);
checkHelpMenu(helpMenu1, false);
checkHelpMenu(helpMenu2, false);
}
private static void test3(final MenuBar menuBar) {
final Menu helpMenu1 = new Menu("Help Menu1");
final Menu helpMenu2 = new Menu("Help Menu2");
menuBar.setHelpMenu(helpMenu1);
checkCurrentMenu(menuBar, helpMenu1);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu1, true);
checkHelpMenu(helpMenu2, false);
menuBar.setHelpMenu(helpMenu2);
checkCurrentMenu(menuBar, helpMenu2);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu1, false);
checkHelpMenu(helpMenu2, true);
menuBar.remove(helpMenu2);
checkCurrentMenu(menuBar, null);
checkMenuCount(menuBar, 0);
checkHelpMenu(helpMenu1, false);
checkHelpMenu(helpMenu2, false);
}
/** Eclipse optimizes away the RCN */
@Override
@DesireWarning("RCN")
public void setHelpMenu(Menu m) {
synchronized (getTreeLock()) {
if (helpMenu == m) {
return;
}
if (helpMenu != null) {
remove(helpMenu);
}
if (m.getParent() != this) {
add(m);
}
helpMenu = m;
if (m != null) {
super.setHelpMenu(m);
}
}
}
private static void test3(final MenuBar menuBar) {
final Menu helpMenu1 = new Menu("Help Menu1");
final Menu helpMenu2 = new Menu("Help Menu2");
menuBar.setHelpMenu(helpMenu1);
checkCurrentMenu(menuBar, helpMenu1);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu1, true);
checkHelpMenu(helpMenu2, false);
menuBar.setHelpMenu(helpMenu2);
checkCurrentMenu(menuBar, helpMenu2);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu1, false);
checkHelpMenu(helpMenu2, true);
menuBar.remove(helpMenu2);
checkCurrentMenu(menuBar, null);
checkMenuCount(menuBar, 0);
checkHelpMenu(helpMenu1, false);
checkHelpMenu(helpMenu2, false);
}
private static void test3(final MenuBar menuBar) {
final Menu helpMenu1 = new Menu("Help Menu1");
final Menu helpMenu2 = new Menu("Help Menu2");
menuBar.setHelpMenu(helpMenu1);
checkCurrentMenu(menuBar, helpMenu1);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu1, true);
checkHelpMenu(helpMenu2, false);
menuBar.setHelpMenu(helpMenu2);
checkCurrentMenu(menuBar, helpMenu2);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu1, false);
checkHelpMenu(helpMenu2, true);
menuBar.remove(helpMenu2);
checkCurrentMenu(menuBar, null);
checkMenuCount(menuBar, 0);
checkHelpMenu(helpMenu1, false);
checkHelpMenu(helpMenu2, false);
}
private static void test3(final MenuBar menuBar) {
final Menu helpMenu1 = new Menu("Help Menu1");
final Menu helpMenu2 = new Menu("Help Menu2");
menuBar.setHelpMenu(helpMenu1);
checkCurrentMenu(menuBar, helpMenu1);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu1, true);
checkHelpMenu(helpMenu2, false);
menuBar.setHelpMenu(helpMenu2);
checkCurrentMenu(menuBar, helpMenu2);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu1, false);
checkHelpMenu(helpMenu2, true);
menuBar.remove(helpMenu2);
checkCurrentMenu(menuBar, null);
checkMenuCount(menuBar, 0);
checkHelpMenu(helpMenu1, false);
checkHelpMenu(helpMenu2, false);
}
private static void test3(final MenuBar menuBar) {
final Menu helpMenu1 = new Menu("Help Menu1");
final Menu helpMenu2 = new Menu("Help Menu2");
menuBar.setHelpMenu(helpMenu1);
checkCurrentMenu(menuBar, helpMenu1);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu1, true);
checkHelpMenu(helpMenu2, false);
menuBar.setHelpMenu(helpMenu2);
checkCurrentMenu(menuBar, helpMenu2);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu1, false);
checkHelpMenu(helpMenu2, true);
menuBar.remove(helpMenu2);
checkCurrentMenu(menuBar, null);
checkMenuCount(menuBar, 0);
checkHelpMenu(helpMenu1, false);
checkHelpMenu(helpMenu2, false);
}
@SuppressWarnings("deprecation")
private static Menu makesToolsMenu() {
Menu toolsMenu = new Menu("Tools");
MenuItem optionsItem = new MenuItem("Options");
toolsMenu.add(optionsItem);
optionsItem.addActionListener(e -> IdeOptions.showOptions());
// MenuItem chaseItem = new MenuItem("ED Chaser");
// toolsMenu.add(chaseItem);
// chaseItem.addActionListener(x -> Chase.dostuff());
//MenuItem sqlLoaderItem = new MenuItem("SQL Loader");
//toolsMenu.add(sqlLoaderItem);
//sqlLoaderItem.addActionListener(x -> SqlLoader.showLoader());
/* MenuItem sqlMapperItem = new MenuItem("SQL Mapper");
toolsMenu.add(sqlMapperItem);
sqlMapperItem.addActionListener(x -> SqlMapper.showGuesser());
*/
MenuItem sqlCheckItem = new MenuItem("SQL Checker");
toolsMenu.add(sqlCheckItem);
sqlCheckItem.addActionListener(x -> new SqlChecker());
MenuItem shredItem = new MenuItem("NR Shredder");
toolsMenu.add(shredItem);
shredItem.addActionListener(x -> new NraViewer());
MenuItem easikItem = new MenuItem("EASIK");
toolsMenu.add(easikItem);
easikItem.addActionListener(x -> easik.Easik.main(new String[0]));
return toolsMenu;
}
void addMenuItems(Menu f, String[] m) {
for (int i = 0; i < m.length; i++) {
MenuItem item = new MenuItem(m[i].substring(1));
char c = m[i].charAt(0);
if (c != '-') {
item.setShortcut(new MenuShortcut(c));
}
item.addActionListener(this);
f.add(item);
}
}
@Override
public final void setEnabled(final boolean b) {
super.setEnabled(b);
final Menu target = (Menu) getTarget();
final int count = target.getItemCount();
for (int i = 0; i < count; ++i) {
MenuItem item = target.getItem(i);
MenuItemPeer p = (MenuItemPeer) LWCToolkit.targetToPeer(item);
if (p != null) {
p.setEnabled(b && item.isEnabled());
}
}
}
private static void test2(final MenuBar menuBar) {
final Menu helpMenu = new Menu("Help Menu");
menuBar.setHelpMenu(helpMenu);
checkCurrentMenu(menuBar, helpMenu);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu, true);
menuBar.remove(helpMenu);
checkCurrentMenu(menuBar, null);
checkMenuCount(menuBar, 0);
checkHelpMenu(helpMenu, false);
}
private static void test4(final MenuBar menuBar) {
final Menu helpMenu = new Menu("Help Menu");
menuBar.setHelpMenu(helpMenu);
checkCurrentMenu(menuBar, helpMenu);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu, true);
menuBar.setHelpMenu(null);
checkCurrentMenu(menuBar, null);
checkMenuCount(menuBar, 0);
checkHelpMenu(helpMenu, false);
}
private static void test4(final MenuBar menuBar) {
final Menu helpMenu = new Menu("Help Menu");
menuBar.setHelpMenu(helpMenu);
checkCurrentMenu(menuBar, helpMenu);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu, true);
menuBar.setHelpMenu(null);
checkCurrentMenu(menuBar, null);
checkMenuCount(menuBar, 0);
checkHelpMenu(helpMenu, false);
}
static private void restoreMenu(final Menu menu) {
final int n_menuitems = menu.getItemCount();
for (int i=0; i<n_menuitems; i++) {
final MenuItem menu_item = menu.getItem(i);
if (menu_item instanceof Menu) {
restoreMenu((Menu)menu_item);
}
menu_item.setEnabled(true);
}
}
public static void main(String[] args) {
// ensure that 4168475 does not regress
test4168475(Component.class);
// AWT classes (com.sun.beans.infos.ComponentBeanInfo)
test(null, Button.class, Component.class, List.class, Menu.class, Panel.class);
// Swing classes (dt.jar)
test(null, JApplet.class, JButton.class, JCheckBox.class);
// user defined classes
test(Boolean.TRUE, Wombat.class, Foo.class, FooBar.class);
}
private static void test2(final MenuBar menuBar) {
final Menu helpMenu = new Menu("Help Menu");
menuBar.setHelpMenu(helpMenu);
checkCurrentMenu(menuBar, helpMenu);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu, true);
menuBar.remove(helpMenu);
checkCurrentMenu(menuBar, null);
checkMenuCount(menuBar, 0);
checkHelpMenu(helpMenu, false);
}
private static void test4(final MenuBar menuBar) {
final Menu helpMenu = new Menu("Help Menu");
menuBar.setHelpMenu(helpMenu);
checkCurrentMenu(menuBar, helpMenu);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu, true);
menuBar.setHelpMenu(null);
checkCurrentMenu(menuBar, null);
checkMenuCount(menuBar, 0);
checkHelpMenu(helpMenu, false);
}
/**
* Returns the index of the MenuItem labeled by the specified string.
*
* @param menu
* the java.awt.Menu to be parsed
* @param label
* the java.awt.MenuItem label being searched
* @return the index of the java.awt.MenuItem. Returns {@code -1} if no
* match is found, {@code null} if menu is not available.
*/
private Integer getMenuItem(final Menu menu, final String label) {
int position = -1;
if (menu == null) {
return null;
}
for (int i = 0; i < menu.getItemCount(); i++) {
if (menu.getItem(i).getLabel().equals(label)) {
position = i;
break;
}
}
return position;
}
private static void test4(final MenuBar menuBar) {
final Menu helpMenu = new Menu("Help Menu");
menuBar.setHelpMenu(helpMenu);
checkCurrentMenu(menuBar, helpMenu);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu, true);
menuBar.setHelpMenu(null);
checkCurrentMenu(menuBar, null);
checkMenuCount(menuBar, 0);
checkHelpMenu(helpMenu, false);
}
public static void main(String[] args) {
// ensure that 4168475 does not regress
test4168475(Component.class);
// AWT classes (com.sun.beans.infos.ComponentBeanInfo)
test(null, Button.class, Component.class, List.class, Menu.class, Panel.class);
// Swing classes (dt.jar)
test(null, JApplet.class, JButton.class, JCheckBox.class);
// user defined classes
test(Boolean.TRUE, Wombat.class, Foo.class, FooBar.class);
}
public static void main(String[] args) {
// ensure that 4168475 does not regress
test4168475(Component.class);
// AWT classes (com.sun.beans.infos.ComponentBeanInfo)
test(null, Button.class, Component.class, List.class, Menu.class, Panel.class);
// Swing classes (dt.jar)
test(null, JApplet.class, JButton.class, JCheckBox.class);
// user defined classes
test(Boolean.TRUE, Wombat.class, Foo.class, FooBar.class);
}
public ActionEventTest() {
menuBar = new MenuBar();
Menu menu = new Menu("Menu1");
MenuItem menuItem = new MenuItem("MenuItem");
menuItem.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent ae) {
System.out.println("actionPerformed");
int md = ae.getModifiers();
int expectedMask = ActionEvent.ALT_MASK | ActionEvent.CTRL_MASK
| ActionEvent.SHIFT_MASK;
isProgInterruption = true;
mainThread.interrupt();
if ((md & expectedMask) != expectedMask) {
throw new RuntimeException("Action Event modifiers are not"
+ " set correctly.");
}
}
});
menu.add(menuItem);
menuBar.add(menu);
setMenuBar(menuBar);
instructions = new TextArea(10, 50);
instructions.setText(
" This is a manual test\n" +
" Keep the Alt, Shift & Ctrl Keys pressed while doing next steps\n" +
" Click 'Menu1' Menu from the Menu Bar\n" +
" It will show 'MenuItem'\n" +
" Left mouse Click the 'MenuItem'\n" +
" Test exits automatically after mouse click.");
add(instructions);
setSize(400, 400);
setVisible(true);
validate();
}
/**Restore ImageJ's MenuBar*/
static public final void restoreMenuBar() {
final MenuBar menu_bar = Menus.getMenuBar();
final int n_menus = menu_bar.getMenuCount();
for (int i=0; i<n_menus;i++) {
final Menu menu = menu_bar.getMenu(i);
restoreMenu(menu);
}
//make sure there isn't a null menu bar
//WindowManager.getCurrentWindow().setMenuBar(menu_bar);
}
public static void main(String[] args) {
// ensure that 4168475 does not regress
test4168475(Component.class);
// AWT classes (com.sun.beans.infos.ComponentBeanInfo)
test(null, Button.class, Component.class, List.class, Menu.class, Panel.class);
// Swing classes (dt.jar)
test(null, JApplet.class, JButton.class, JCheckBox.class);
// user defined classes
test(Boolean.TRUE, Wombat.class, Foo.class, FooBar.class);
}
private static void test2(final MenuBar menuBar) {
final Menu helpMenu = new Menu("Help Menu");
menuBar.setHelpMenu(helpMenu);
checkCurrentMenu(menuBar, helpMenu);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu, true);
menuBar.remove(helpMenu);
checkCurrentMenu(menuBar, null);
checkMenuCount(menuBar, 0);
checkHelpMenu(helpMenu, false);
}
public static void main(String[] args) {
// ensure that 4168475 does not regress
test4168475(Component.class);
// AWT classes (com.sun.beans.infos.ComponentBeanInfo)
test(null, Button.class, Component.class, List.class, Menu.class, Panel.class);
// Swing classes (dt.jar)
test(null, JApplet.class, JButton.class, JCheckBox.class);
// user defined classes
test(Boolean.TRUE, Wombat.class, Foo.class, FooBar.class);
}
private static void test2(final MenuBar menuBar) {
final Menu helpMenu = new Menu("Help Menu");
menuBar.setHelpMenu(helpMenu);
checkCurrentMenu(menuBar, helpMenu);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu, true);
menuBar.remove(helpMenu);
checkCurrentMenu(menuBar, null);
checkMenuCount(menuBar, 0);
checkHelpMenu(helpMenu, false);
}
private static void test4(final MenuBar menuBar) {
final Menu helpMenu = new Menu("Help Menu");
menuBar.setHelpMenu(helpMenu);
checkCurrentMenu(menuBar, helpMenu);
checkMenuCount(menuBar, 1);
checkHelpMenu(helpMenu, true);
menuBar.setHelpMenu(null);
checkCurrentMenu(menuBar, null);
checkMenuCount(menuBar, 0);
checkHelpMenu(helpMenu, false);
}
public CMenu(Menu target) {
super(target);
}
Object createSubmenu(String label) {
return new Menu(label);
}