Java Code Examples for org.eclipse.ui.keys.IBindingService#getActiveBindingsFor()

public static boolean matchesKeybinding(int keyCode, int stateMask, String commandId)
{
	final IBindingService bindingSvc = (IBindingService) PlatformUI.getWorkbench()
			.getAdapter(IBindingService.class);
	TriggerSequence[] activeBindingsFor = bindingSvc.getActiveBindingsFor(commandId);

	for (TriggerSequence seq : activeBindingsFor)
	{
		if (seq instanceof KeySequence)
		{
			if (matchesKeybinding(keyCode, stateMask, seq))
			{
				return true;
			}
		}
	}

	return false;
}
 

public static boolean matchesKeybinding(int keyCode, int stateMask, String commandId) {
    final IBindingService bindingSvc = PlatformUI.getWorkbench()
            .getAdapter(IBindingService.class);
    TriggerSequence[] activeBindingsFor = bindingSvc.getActiveBindingsFor(commandId);

    for (TriggerSequence seq : activeBindingsFor) {
        if (seq instanceof KeySequence) {
            KeySequence keySequence = (KeySequence) seq;
            if (matchesKeybinding(keyCode, stateMask, keySequence)) {
                return true;
            }
        }
    }

    return false;
}
 

/**
 * Returns the active key binding for content assist.
 *
 * If no binding is set null is returned.
 */
private KeyStroke getActiveContentAssistBinding() {
	IBindingService bindingService = PlatformUI.getWorkbench().getService(IBindingService.class);
	TriggerSequence[] activeBindingsFor = bindingService
			.getActiveBindingsFor(CONTENT_ASSIST_ECLIPSE_COMMAND_ID);

	if (activeBindingsFor.length > 0 && activeBindingsFor[0] instanceof KeySequence) {
		KeyStroke[] strokes = ((KeySequence) activeBindingsFor[0]).getKeyStrokes();
		if (strokes.length == 1) {
			return strokes[0];
		}
	}
	return null;
}
 

public static String getShortCutString(String proposalId) {
	if (proposalId != null) {
		IBindingService bindingService= (IBindingService) PlatformUI.getWorkbench().getAdapter(IBindingService.class);
		if (bindingService != null) {
			TriggerSequence[] activeBindingsFor= bindingService.getActiveBindingsFor(proposalId);
			if (activeBindingsFor.length > 0) {
				return activeBindingsFor[0].format();
			}
		}
	}
	return null;
}
 

/**
 * Does the trigger for this movement command contain the SHIFT key?
 * 
 * Enforce that the <binding> and <binding>+SHIFT belong to the same Command. 
 * If not, don't apply shift selection (if enabled) for this command (i.e. return false).
 *  
 * @param event the Execution event that invoked this command
 * 
 * @return true if SHIFT modifier was set, else false
 */
private boolean getShifted(ExecutionEvent event) {
	// NB: only single keystroke commands are valid 
	boolean result = false;
	Object trigger = event.getTrigger();
	Event e = null;
	if (trigger != null && trigger instanceof Event && ((e = (Event)trigger).stateMask & SWT.SHIFT )!= 0) {
		String cmdId = event.getCommand().getId();
		int mask = (e.stateMask & SWT.MODIFIER_MASK) ^ SWT.SHIFT;
		int u_code = Character.toUpperCase((char)e.keyCode);
		IBindingService bs = (IBindingService) PlatformUI.getWorkbench().getService(IBindingService.class);
		if (cmdId != null && bs != null) {
			TriggerSequence[] sequences = bs.getActiveBindingsFor(cmdId);
			for (TriggerSequence s : sequences) {
				if (s instanceof KeySequence) {
					KeyStroke[] strokes = ((KeySequence)s).getKeyStrokes();
					if (strokes.length == 1) {
						KeyStroke k = strokes[strokes.length - 1];
						// if keyCode is alpha, then we test uppercase, else keyCode
						if (k.getModifierKeys() == mask
								&& (k.getNaturalKey() == u_code || k.getNaturalKey() == e.keyCode)) {
							result = true;
							break;
						}
					}
				}
			}
		} 
	}
	return result;
}
 

/**
 * A bit of hackery that tries to get the correct open-declaration command for the buffer 
 * @param editor
 * @return the best match Command definition
 */
private Command getOpenCmd(IEditorPart editor) {
	Command result = null;
	try {
		IBindingService bs = (IBindingService) PlatformUI.getWorkbench().getService(IBindingService.class);
		ICommandService ics = (ICommandService) editor.getSite().getService(ICommandService.class);
		List<Command> cans = new ArrayList<Command>();
		List<Command> nocans = new ArrayList<Command>();
		Command[] commands = ics.getDefinedCommands();
		for (Command c : commands) {
			if (OD.equals(c.getName()) && c.isEnabled()) {
				TriggerSequence[] b = bs.getActiveBindingsFor(c.getId());
				if (b.length > 0) {
					cans.add(c);
				} else {
					nocans.add(c);
				}
			}
		}
		// TODO: when > 1 try to refine the result heuristically?
		// if Eclipse returned more than one, then chose a bound command over non-bound
		if (cans.isEmpty()) {
			if (!nocans.isEmpty()) {
				// just grab first one
				result = nocans.get(0);
			}
		} else {
			// grab the first bound one
			result = cans.get(0);
		}
	} catch (Exception e) { }
	return result;
}