javax.swing.JMenuItem.getAccelerator()方法的使用及代码示例

x33g5p2x  于2022-01-21 转载在 其他  
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本文整理了Java中javax.swing.JMenuItem.getAccelerator()方法的一些代码示例，展示了JMenuItem.getAccelerator()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。JMenuItem.getAccelerator()方法的具体详情如下：
包路径：javax.swing.JMenuItem
类名称：JMenuItem
方法名：getAccelerator

JMenuItem.getAccelerator介绍

暂无

代码示例

代码示例来源：origin: net.sf.squirrel-sql.thirdpary-non-maven/openide

public void update(Observable o, Object arg) {
    synchronized (menuActionLock) {
      Iterator it = menuActionCache.entrySet().iterator();
      while (it.hasNext()) {
        Map.Entry entry = (Map.Entry)it.next();
        Action act = (Action)entry.getKey();
        WeakReference ref = (WeakReference)entry.getValue();
        JMenuItem mn = (JMenuItem)ref.get();
        if (act != null && mn != null) {
          KeyStroke actKey = (KeyStroke)act.getValue(Action.ACCELERATOR_KEY);
          KeyStroke mnKey = mn.getAccelerator();
          if ((mnKey == null && actKey != null) || 
            (mnKey != null && actKey == null) || 
            (mnKey != null && actKey != null && !actKey.equals(mnKey))) {
              mn.setAccelerator(actKey);
          }
        }
      }
    }
  }
});

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/openide

public void update(Observable o, Object arg) {
    synchronized (menuActionLock) {
      Iterator it = menuActionCache.entrySet().iterator();
      while (it.hasNext()) {
        Map.Entry entry = (Map.Entry)it.next();
        Action act = (Action)entry.getKey();
        WeakReference ref = (WeakReference)entry.getValue();
        JMenuItem mn = (JMenuItem)ref.get();
        if (act != null && mn != null) {
          KeyStroke actKey = (KeyStroke)act.getValue(Action.ACCELERATOR_KEY);
          KeyStroke mnKey = mn.getAccelerator();
          if ((mnKey == null && actKey != null) || 
            (mnKey != null && actKey == null) || 
            (mnKey != null && actKey != null && !actKey.equals(mnKey))) {
              mn.setAccelerator(actKey);
          }
        }
      }
    }
  }
});

代码示例来源：origin: jpcsp/jpcsp

/**
 * Add accelerators to the global action map of MainGUI.
 *
 * This function will traverse a MenuElement tree to find all JMenuItems and
 * to add accelerators if available for the given menu item.
 *
 * The element tree is traversed in a recursive manner.
 *
 * @param me The root menu element to start.
 */
private void globalAccelFromMenu(MenuElement me) {
  for (MenuElement element : me.getSubElements()) {
    // check for JMenu before JMenuItem, as JMenuItem is derived from JMenu
    if ((element instanceof JPopupMenu) || (element instanceof JMenu)) {
      // recursively do the same for underlying menus
      globalAccelFromMenu(element);
    } else if (element instanceof JMenuItem) {
      JMenuItem item = (JMenuItem) element;
      // only check if the accelerator exists (i.e. is not null)
      // if no ActionListeners exist, an empty array is returned
      if (item.getAccelerator() != null) {
        actionListenerMap.put(item.getAccelerator(), item.getActionListeners());
      }
    }
  }
}

代码示例来源：origin: net.sf.tinylaf/tinylaf

void updateAcceleratorBinding() {
  KeyStroke accelerator = menuItem.getAccelerator();
  if(windowInputMap != null) {
    windowInputMap.clear();
  }
  
  if(accelerator != null) {
    if(windowInputMap == null) {
      windowInputMap = createInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
      SwingUtilities.replaceUIInputMap(menuItem,
        JComponent.WHEN_IN_FOCUSED_WINDOW, windowInputMap);
    }
    windowInputMap.put(accelerator, "doClick");
  }
}

代码示例来源：origin: com.jidesoft/jide-oss

void updateAcceleratorBinding() {
  KeyStroke accelerator = menuItem.getAccelerator();
  if (windowInputMap != null) {
    windowInputMap.clear();
  }
  if (accelerator != null) {
    if (windowInputMap == null) {
      windowInputMap = createInputMap(JComponent.
          WHEN_IN_FOCUSED_WINDOW);
      SwingUtilities.replaceUIInputMap(menuItem,
          JComponent.WHEN_IN_FOCUSED_WINDOW, windowInputMap);
    }
    windowInputMap.put(accelerator, "doClick");
  }
}

代码示例来源：origin: com.jidesoft/jide-oss

void updateAcceleratorBinding() {
  KeyStroke accelerator = menuItem.getAccelerator();
  if (windowInputMap != null) {
    windowInputMap.clear();
  }
  if (accelerator != null) {
    if (windowInputMap == null) {
      windowInputMap = createInputMap(JComponent.
          WHEN_IN_FOCUSED_WINDOW);
      SwingUtilities.replaceUIInputMap(menuItem,
          JComponent.WHEN_IN_FOCUSED_WINDOW, windowInputMap);
    }
    windowInputMap.put(accelerator, "doClick");
  }
}

代码示例来源：origin: com.jidesoft/jide-oss

void updateAcceleratorBinding() {
  KeyStroke accelerator = menuItem.getAccelerator();
  if (windowInputMap != null) {
    windowInputMap.clear();
  }
  if (accelerator != null) {
    if (windowInputMap == null) {
      windowInputMap = createInputMap(JComponent.
          WHEN_IN_FOCUSED_WINDOW);
      SwingUtilities.replaceUIInputMap(menuItem,
          JComponent.WHEN_IN_FOCUSED_WINDOW, windowInputMap);
    }
    windowInputMap.put(accelerator, "doClick");
  }
}

代码示例来源：origin: freeplane/freeplane

/** there are little reasons to use this in scripts. */
public static Node findAssignedMenuItemNodeRecursively(final DefaultMutableTreeNode menubarNode,
                            final KeyStroke keystroke) {
  final Enumeration<?> children = menubarNode.children();
  while (children.hasMoreElements()) {
    final Node child = (Node) children.nextElement();
    final Object childUserObject = child.getUserObject();
    if (childUserObject instanceof JMenuItem) {
      final JMenuItem childMenuItem = (JMenuItem) childUserObject;
      if (keystroke.equals(childMenuItem.getAccelerator())) {
        return child;
      }
    }
    // recurse
    final Node assignedMenuItemNode = findAssignedMenuItemNodeRecursively(child, keystroke);
    if (assignedMenuItemNode != null)
      return assignedMenuItemNode;
  }
  return null;
}
/**

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/toniclf

/**	Updates the accelerator bindings for the associated menu item 
 *     (in the case that they have changed).
 */
void updateMyAcceleratorBinding()
{
  KeyStroke accelerator= menuItem.getAccelerator();
  if (windowInputMap != null)
  {
    windowInputMap.clear();
  }
  if (accelerator != null)
  {
    if (windowInputMap == null)
    {
      windowInputMap= createMyInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
      SwingUtilities.replaceUIInputMap(
        menuItem,
        JComponent.WHEN_IN_FOCUSED_WINDOW,
        windowInputMap);
    }
    windowInputMap.put(accelerator, "doClick");
  }
}

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/toniclf

int maxTextWidth=fm.stringWidth(getAcceleratorText(item.getAccelerator()));
      maxTextWidth=Math.max(maxTextWidth, fm.stringWidth(getAcceleratorText(item.getAccelerator())));		
        maxTextWidth=Math.max(maxTextWidth, fm.stringWidth(getAcceleratorText(currItem.getAccelerator())));

代码示例来源：origin: mucommander/mucommander

/**
 * Does things that should be done to all menu items created from
 * <code>MuAction</code>s.
 * <ol>
 * <li>If the provided action has an icon, it would by default get displayed in the menu item.
 *     Since icons have nothing to do in menus, let's make sure the menu item has no icon.</li>
 * <li>If the action has a keyboard shortcut that conflicts with
 *     the menu's internal ones (enter, space and escape), they will
 *     not be used.</li>
 * </ol>
 * @param item menu item to take care of.
 */
public static void configureActionMenuItem(JMenuItem item) {
  item.setIcon(null);
  KeyStroke stroke = item.getAccelerator();
  if (stroke != null && stroke.getModifiers() == 0 &&
      (stroke.getKeyCode() == KeyEvent.VK_ENTER || stroke.getKeyCode() == KeyEvent.VK_SPACE || stroke.getKeyCode() == KeyEvent.VK_ESCAPE))
    item.setAccelerator(null);
}

代码示例来源：origin: net.sf.squirrel-sql/squirrel-sql

private JMenu cloneMenu(JMenu menu)
{
 JMenu ret = new JMenu(menu.getText());
 for (int i = 0; i < menu.getItemCount(); i++)
 {
   JMenuItem toClone = menu.getItem(i);
   if (toClone instanceof JMenu)
   {
    ret.add(cloneMenu((JMenu) toClone));
   }
   else if(toClone instanceof JMenuItem)
   {
    JMenuItem clone = new JMenuItem(toClone.getText(), toClone.getIcon());
    clone.setMnemonic(toClone.getMnemonic());
    clone.setAction(toClone.getAction());
    clone.setAccelerator(toClone.getAccelerator());
    clone.setToolTipText(toClone.getToolTipText());
    ret.add(clone);
   }
   else
   {
    ret.addSeparator();
   }
 }
 return ret;
}

代码示例来源：origin: realXuJiang/bigtable-sql

private JMenu cloneMenu(JMenu menu)
{
 JMenu ret = new JMenu(menu.getText());
 for (int i = 0; i < menu.getItemCount(); i++)
 {
   JMenuItem toClone = menu.getItem(i);
   if (toClone instanceof JMenu)
   {
    ret.add(cloneMenu((JMenu) toClone));
   }
   else if(toClone instanceof JMenuItem)
   {
    JMenuItem clone = new JMenuItem(toClone.getText(), toClone.getIcon());
    clone.setMnemonic(toClone.getMnemonic());
    clone.setAction(toClone.getAction());
    clone.setAccelerator(toClone.getAccelerator());
    clone.setToolTipText(toClone.getToolTipText());
    ret.add(clone);
   }
   else
   {
    ret.addSeparator();
   }
 }
 return ret;
}

代码示例来源：origin: omegat-org/omegat

/**
 * Test of bindKeyStrokes method, of class PropertiesShortcuts.
 */
@Test
public void testBindKeyStrokesJMenuBar() {
  JMenuBar menu = new JMenuBar();
  JMenu parent = new JMenu();
  JMenuItem child1 = new JMenu();
  JMenuItem child2 = new JMenuItem();
  child2.setActionCommand(TEST_DELETE);
  child2.setAccelerator(CTRL_D);
  JMenuItem grandchild1 = new JMenuItem();
  grandchild1.setActionCommand(TEST_USER_1);
  JMenuItem grandchild2 = new JMenuItem();
  grandchild2.setActionCommand(OUT_OF_LIST);
  grandchild2.setAccelerator(CTRL_X);
  menu.add(parent);
  parent.add(child1);
  parent.add(child2);
  child1.add(grandchild1);
  child1.add(grandchild2);
  // bind
  shortcuts.bindKeyStrokes(menu);
  assertNull(parent.getAccelerator());
  assertNull(child1.getAccelerator());
  assertNull(child2.getAccelerator());
  assertEquals(CTRL_P, grandchild1.getAccelerator());
  assertEquals(CTRL_X, grandchild2.getAccelerator());
}

代码示例来源：origin: omegat-org/omegat

/**
 * Test of bindKeyStrokes method, of class PropertiesShortcuts.
 */
@Test
public void testBindKeyStrokesJMenuItem() {
  // case JMenuItem with no children
  JMenuItem item = new JMenuItem();
  item.setActionCommand(TEST_SAVE);
  assertNull(item.getAccelerator()); // before binding
  shortcuts.bindKeyStrokes(item); // bind
  assertEquals(CTRL_S, item.getAccelerator()); // after binding(1)
  item.setActionCommand(TEST_DELETE);
  shortcuts.bindKeyStrokes(item); // bind
  assertNull(item.getAccelerator()); // after binding(2)
  item.setActionCommand(OUT_OF_LIST);
  item.setAccelerator(CTRL_D);
  shortcuts.bindKeyStrokes(item); // bind
  assertEquals(CTRL_D, item.getAccelerator()); // after binding(3) - nothing has changed
}

代码示例来源：origin: omegat-org/omegat

/**
 * Test of bindKeyStrokes method, of class PropertiesShortcuts.
 */
@Test
public void testBindKeyStrokesJMenuItemRecursive() {
  // case JMenu with children
  JMenu parent = new JMenu();
  JMenuItem child1 = new JMenu();
  JMenuItem child2 = new JMenuItem();
  child2.setActionCommand(TEST_DELETE);
  child2.setAccelerator(CTRL_D);
  JMenuItem grandchild1 = new JMenuItem();
  grandchild1.setActionCommand(TEST_USER_1);
  JMenuItem grandchild2 = new JMenuItem();
  grandchild2.setActionCommand(OUT_OF_LIST);
  grandchild2.setAccelerator(CTRL_X);
  parent.add(child1);
  parent.add(child2);
  child1.add(grandchild1);
  child1.add(grandchild2);
  // bind
  shortcuts.bindKeyStrokes(parent);
  assertNull(parent.getAccelerator());
  assertNull(child1.getAccelerator());
  assertNull(child2.getAccelerator());
  assertEquals(CTRL_P, grandchild1.getAccelerator());
  assertEquals(CTRL_X, grandchild2.getAccelerator());
}

代码示例来源：origin: freeplane/freeplane

@Test
public void createsMenuButtonWithAcceleratedAction() {
  final EntryAccessor entryAccessor = new EntryAccessor();
  entryAccessor.setComponent(menuEntry, menu);
  menuEntry.addChild(actionEntry);
  final KeyStroke keyStroke = KeyStroke.getKeyStroke('A');
  when(accelerators.getAccelerator(action)).thenReturn(keyStroke);
  menuActionGroupBuilder.visit(actionEntry);
  JMenuItem item = (JMenuItem) new EntryAccessor().getComponent(actionEntry);
  Assert.assertThat(item.getAccelerator(), equalTo(keyStroke));
}

代码示例来源：origin: freeplane/freeplane

@Test
  public void setsKeystroke() throws Exception {
    final EntriesForAction entriesForAction = new EntriesForAction();
    final MenuAcceleratorChangeListener menuAcceleratorChangeListener = new MenuAcceleratorChangeListener(entriesForAction);
    final AFreeplaneAction action = mock(AFreeplaneAction.class);
    Entry actionEntry = new Entry();
    final JMenuItem menu = new JMenuItem();
    new EntryAccessor().setComponent(actionEntry, menu);
    entriesForAction.registerEntry(action, actionEntry);

    final KeyStroke keyStroke = KeyStroke.getKeyStroke(KeyEvent.VK_INSERT, 0);
    menuAcceleratorChangeListener.acceleratorChanged(action, null, keyStroke);
    Assert.assertThat(menu.getAccelerator(), equalTo(keyStroke));
  }
}

代码示例来源：origin: org.fudaa.framework.fudaa/fudaa-common

/**
 * Remplace un item menu en provenance de Bu par une action, plus gnraliste.
 * @param _command La commande.
 * @return L'action de remplacement, ou null si la commande n'existait pas.
 */
protected EbliActionAbstract replaceItemByAction(String _command) {
 JMenuItem it=((JMenuItem)getMainMenuBar().getMenuItem(_command));
 if (it==null) return null;
 BuMenu mn=(BuMenu)getMainMenuBar().getMenuForAction(_command);
 if (mn==null) return null;
 int idx=mn.indexOf(_command);
 if (idx==-1) return null;
 EbliActionAbstract act=new EbliActionSimple(it.getText(),it.getIcon(),it.getActionCommand()) {
  public void actionPerformed(ActionEvent _evt) {
   FudaaCommonImplementation.this.actionPerformed(_evt);
  }
 };
 act.setDefaultToolTip(it.getToolTipText());
 act.setKey(it.getAccelerator());
 mn.remove(idx);
 mn.insert(act,idx)
 // Pour rester compatible avec Bu.
  .setName("mi"+_command);
 
 return act;
}

代码示例来源：origin: net.sf.squirrel-sql.thirdparty-non-maven/toniclf

KeyStroke accelerator= b.getAccelerator();
String acceleratorText= "";

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