@Override
	protected void execute() throws CommandPreconditionsException {
		Document d = document.val();
        
        d.rename(newTitle.val());
	}
	@Override
	public boolean checkInputPinsCoverage()
	{
		if (document.val() == null)
		{
			throw new CommandPreconditionsException("Please, select document.");
		}
		if (newTitle.val() == null || (newTitle.val() != null && newTitle.val().isEmpty()))
		{
			throw new CommandPreconditionsException("Please, select new title.");
		}
		return true;
	}