import org.eclipse.jface.bindings.keys.SWTKeySupport; //导入依赖的package包/类
/**
 * @see org.eclipse.jface.action.ExternalActionManager.ICallback#getAccelerator(String)
 */
public final Integer getAccelerator(final String commandId) {
	final TriggerSequence triggerSequence = bindingManager
			.getBestActiveBindingFor(commandId);
	if (triggerSequence != null) {
		final Trigger[] triggers = triggerSequence.getTriggers();
		if (triggers.length == 1) {
			final Trigger trigger = triggers[0];
			if (trigger instanceof KeyStroke) {
				final KeyStroke keyStroke = (KeyStroke) trigger;
				final int accelerator = SWTKeySupport
						.convertKeyStrokeToAccelerator(keyStroke);
				return new Integer(accelerator);
			}
		}
	}

	return null;
}
 

import org.eclipse.jface.bindings.keys.SWTKeySupport; //导入依赖的package包/类
private String getFormattedShortcut(String commandId, Event trigger) {
	IPreferenceStore store = getPreferenceStore();

	int accelerator = SWTKeySupport.convertEventToUnmodifiedAccelerator(trigger);
	KeyStroke keyStroke = SWTKeySupport.convertAcceleratorToKeyStroke(accelerator);

	if (KeyStroke.NO_KEY != keyStroke.getNaturalKey()) {
		if (store.getBoolean(PREF_KEY_SHORTCUTS_ENABLED)) {
			String formattedStroke = SWTKeySupport.getKeyFormatterForPlatform().format(keyStroke);
			if (debug && debugTrace != null) {
				debugTrace.trace(DEBUG_PATH, "Formatted stroke is: " + formattedStroke); //$NON-NLS-1$
			}
			return formattedStroke;
		} else { // keystroke found, but we're disabled
			return null;
		}
	}

	else if (store.getBoolean(PREF_KEY_MOUSE_TRIGGER_ENABLED)) {
		IBindingService bindingService = (IBindingService) getWorkbench().getService(IBindingService.class);
		return bindingService.getBestActiveBindingFormattedFor(commandId);
	}

	return null;
}
 

import org.eclipse.jface.bindings.keys.SWTKeySupport; //导入依赖的package包/类
/**
 * @see org.eclipse.jface.action.ExternalActionManager.ICallback#isAcceleratorInUse(int)
 */
public final boolean isAcceleratorInUse(final int accelerator) {
	final KeySequence keySequence = KeySequence
			.getInstance(SWTKeySupport
					.convertAcceleratorToKeyStroke(accelerator));
	return bindingManager.isPerfectMatch(keySequence)
			|| bindingManager.isPartialMatch(keySequence);
}
 

import org.eclipse.jface.bindings.keys.SWTKeySupport; //导入依赖的package包/类
protected boolean isInvocationEvent(KeyEvent e) {
    int accelerator = SWTKeySupport.convertEventToUnmodifiedAccelerator(e);
    KeySequence keySequence = KeySequence.getInstance(SWTKeySupport.convertAcceleratorToKeyStroke(accelerator));

    return keySequence.startsWith(triggerSequence, true);
}
 

import org.eclipse.jface.bindings.keys.SWTKeySupport; //导入依赖的package包/类
public static boolean isKeyEventComplete(Event event)
{
	// Is this a complete KeyStroke
	return SWTKeySupport.convertAcceleratorToKeyStroke(SWTKeySupport.convertEventToUnmodifiedAccelerator(event))
			.isComplete();
}
 

import org.eclipse.jface.bindings.keys.SWTKeySupport; //导入依赖的package包/类
public static String format(final int mod, final int key) {

		return SWTKeySupport.getKeyFormatterForPlatform().format(KeyStroke.getInstance(mod, key));
	}