nav-tabs.php

<!-- CSS code from Bootply.com editor -->
<style type="text/css">
.marginBottom-0 {
	margin-bottom: 0;
}
.dropdown-submenu {
	position: relative;
}
.dropdown-submenu>.dropdown-menu {
	top: 0;
	left: 100%;
	margin-top: -6px;
	margin-left: -1px;
	-webkit-border-radius: 0 6px 6px 6px;
	-moz-border-radius: 0 6px 6px 6px;
	border-radius: 0 6px 6px 6px;
}
.dropdown-submenu>a:after {
	display: block;
	content: " ";
	float: right;
	width: 0;
	height: 0;
	border-color: transparent;
	border-style: solid;
	border-width: 5px 0 5px 5px;
	border-left-color: #cccccc;
	margin-top: 5px;
	margin-right: -10px;
}
.dropdown-submenu:hover>a:after {
	border-left-color: #555;
}
.dropdown-submenu.pull-left {
	float: none;
}
.dropdown-submenu.pull-left>.dropdown-menu {
	left: -100%;
	margin-left: 10px;
	-webkit-border-radius: 6px 0 6px 6px;
	-moz-border-radius: 6px 0 6px 6px;
	border-radius: 6px 0 6px 6px;
}
</style>
<nav class="navbar navbar-default visible-xs-block hidden-sm hidden-md hidden-lg" role="navigation">
	<div class="navbar-header">
		<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#navbar-collapse-1"> <span class="sr-only">Toggle navigation</span> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </button>
		<a class="navbar-brand visible-xs" href="<?php echo esc_url( home_url( '/' ) ); ?>"><?php bloginfo( 'name' ); ?></a>
	</div>
	<div class="collapse navbar-collapse" id="navbar-collapse-1">
		<?php
				$locations = get_nav_menu_locations();
				$menu_at_primary_location = $locations['primary'];
				$items = wp_get_nav_menu_items( $menu_at_primary_location );
				if(empty($items)){
					echo '<ul class="nav navbar-nav"><li><a href="'.home_url().'">Home</a></li></ul>';
				} else {
					$menu = wp_nav_menu( 
						array(
							'menu_class' => 'nav navbar-nav',
							'theme_location' => 'primary', /* where in the theme it's assigned */
							'container' => false, /* container class */
							'fallback_cb' => 'hale_main_nav_fallback',
							'items_wrap' =>	'<ul class="%2$s"><li><a href="'.home_url().'">Home</a></li>%3$s</ul>',
							'walker' => new Drop_Multi_Nav_Walker()/*,
							'with_search' => true*/
						)
					);			
				}
			?>
            
        <form role="search" method="get" id="searchform"
            class="searchform" action="<?php echo esc_url( home_url( '/' ) ); ?>">
            <div>
                <label class="screen-reader-text" for="s"><?php _x( 'Search for:', 'label' ); ?></label>
                <input type="text" value="<?php echo get_search_query(); ?>" name="s" id="s" />
                <button type="submit" class="btn btn-default" title="Search">
                <i class="glyphicon glyphicon-search"></i><span class="sr-only">Search</span></button>
            </div>
        </form>
	</div>
</nav>
<div id="nav-tabs" class="hidden-xs">
	<div id="tabs-top-wrapper" class="tabs-wrapper">
		<nav id="tabs-top" class="container">
			<?php
				$locations = get_nav_menu_locations();
				$menu_at_primary_location = $locations['primary'];
				$items = wp_get_nav_menu_items( $menu_at_primary_location );
				if(empty($items)){
					echo '<ul class="nav navbar-nav"><li><a href="'.home_url().'">Home</a></li></ul>
					</nav>
				</div>';
				} else {
					$menu = wp_nav_menu( 
						array(
							'menu_class' => 'nav nav-tabs',
							'theme_location' => 'primary', /* where in the theme it's assigned */
							'container' => false, /* container class */
							'fallback_cb' => 'hale_main_nav_fallback',
							'items_wrap' =>	'<ul class="%2$s"><li><a href="'.home_url().'">Home</a></li>%3$s',
							'walker' => new Top_Tabs_Nav_Walker()/*,
							'with_search' => true*/
						)
					);?>
					
                    <li class="navbar-form navbar-right">
						<form role="search" method="get" id="searchform"
                            class="searchform" action="<?php echo esc_url( home_url( '/' ) ); ?>">
                            <div>
                                <label class="screen-reader-text" for="s"><?php _x( 'Search for:', 'label' ); ?></label>
                                <input type="text" value="<?php echo get_search_query(); ?>" name="s" id="s" title="Search Grad School... " placeholder="Search Grad School... " />
                                <button type="submit" class="btn btn-default" title="Search">
                                <i class="glyphicon glyphicon-search"></i><span class="sr-only">Search</span></button>
                            </div>
                        </form>
					</li>
                    </ul>
                    </nav>
                    
					</div> <!-- /tabs-top-wrapper -->
					<?php
					$menu_name = 'primary';
					$locations = get_nav_menu_locations();
					$menu_id = $locations[ $menu_name ] ;
					$menu_items = wp_get_nav_menu_items( $menu_at_primary_location );
					_wp_menu_item_classes_by_context($menu_items);
					//print_r($menu_items);
					$page = get_the_ID();
					$page_id = 0;
					$tabs = false;
					foreach($menu_items as $item){
						if($item->object_id == $page){
							$page_id = $item->ID;
						}
						if($item->menu_item_parent != 0 && $item->menu_item_parent == $page_id){
							$tabs = true;
							break;
						}
					}
					foreach($menu_items as $item){
						if($item->menu_item_parent == 0 && $item->current_item_ancestor){
							$tabs = true;
							break;
						}
					}
					//$tabs = true;
					if($tabs){
					?>
					<div id="tabs-bottom-wrapper" class="tabs-wrapper">
						<div id="tabs-bottom" class="container">
							<nav class="navbar navbar-default" role="navigation">
								<?php
									$menu = wp_nav_menu( 
										array(
											'menu_class' => 'nav navbar-nav',
											'theme_location' => 'primary', /* where in the theme it's assigned */
											'container' => false, /* container class */
											'fallback_cb' => 'hale_main_nav_fallback',
											'items_wrap' =>	'<ul class="%2$s">%3$s</ul>',
											'walker' => new Tabs_Drop_Nav_Walker()/*,
											'with_search' => true*/
										)
									);			
							?>
							</nav>
						</div>
					</div>
					<?php } 
					} ?>
</div>

<!-- JavaScript jQuery code from Bootply.com editor  --> 

<script type='text/javascript'>
        
            (function($){

	$(document).ready(function(){

		$('ul.dropdown-menu [data-toggle=dropdown]').on('click', function(event) {

			event.preventDefault(); 

			event.stopPropagation(); 

			$(this).parent().siblings().removeClass('open');

			$(this).parent().toggleClass('open');

		});

	});

})(jQuery);
        
        </script>