WordPress Menu & Walker for ZURB's Foundation 4 Top Bar

readme.md

Adding a Foundation Top Bar to WordPress

foundation-topbar-menu.php and foundation-topbar-walker.php should be required in the WordPress functions.php file.

The code in foundation-topbar.php should be added below the body tag in header.php

Setup a menu in WordPress admin under Appearance > Menus

Use the 'label' class on a menu item to create a menu section title

Foundation Top Bar Doc: http://foundation.zurb.com/docs/components/top-bar.html

foundation4-topbar-menu.php

<?php
add_theme_support('menus');

/**
 * Register Menus
 * http://codex.wordpress.org/Function_Reference/register_nav_menus#Examples
 */
register_nav_menus(array(
    'top-bar-l' => 'Left Top Bar', // registers the menu in the WordPress admin menu editor
    'top-bar-r' => 'Right Top Bar'
));


/**
 * Left top bar
 * http://codex.wordpress.org/Function_Reference/wp_nav_menu
 */
function foundation_top_bar_l() {
    wp_nav_menu(array( 
        'container' => false,                           // remove nav container
        'container_class' => '',           		// class of container
        'menu' => '',                      	        // menu name
        'menu_class' => 'top-bar-menu left',         	// adding custom nav class
        'theme_location' => 'top-bar-l',                // where it's located in the theme
        'before' => '',                                 // before each link <a> 
        'after' => '',                                  // after each link </a>
        'link_before' => '',                            // before each link text
        'link_after' => '',                             // after each link text
        'depth' => 5,                                   // limit the depth of the nav
    	'fallback_cb' => false,                         // fallback function (see below)
        'walker' => new top_bar_walker()
	));
}

/**
 * Right top bar
 */
function foundation_top_bar_r() {
    wp_nav_menu(array( 
        'container' => false,                           // remove nav container
        'container_class' => '',           		// class of container
        'menu' => '',                      	        // menu name
        'menu_class' => 'top-bar-menu right',         	// adding custom nav class
        'theme_location' => 'top-bar-r',                // where it's located in the theme
        'before' => '',                                 // before each link <a> 
        'after' => '',                                  // after each link </a>
        'link_before' => '',                            // before each link text
        'link_after' => '',                             // after each link text
        'depth' => 5,                                   // limit the depth of the nav
    	'fallback_cb' => false,                         // fallback function (see below)
        'walker' => new top_bar_walker()
	));
}
?>

foundation4-topbar-walker.php

<?php
/**
 * Customize the output of menus for Foundation top bar
 */

class top_bar_walker extends Walker_Nav_Menu {

    function display_element( $element, &$children_elements, $max_depth, $depth=0, $args, &$output ) {
        $element->has_children = !empty( $children_elements[$element->ID] );
        $element->classes[] = ( $element->current || $element->current_item_ancestor ) ? 'active' : '';
        $element->classes[] = ( $element->has_children ) ? 'has-dropdown' : '';
		
        parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output );
    }
	
    function start_el( &$output, $object, $depth = 0, $args = array(), $current_object_id = 0 ) {
        $item_html = '';
        parent::start_el( $item_html, $object, $depth, $args );	
		
        $output .= ( $depth == 0 ) ? '<li class="divider"></li>' : '';
		
        $classes = empty( $object->classes ) ? array() : (array) $object->classes;	
		
        if( in_array('label', $classes) ) {
            $output .= '<li class="divider"></li>';
            $item_html = preg_replace( '/<a[^>]*>(.*)<\/a>/iU', '<label>$1</label>', $item_html );
        }
        
	if ( in_array('divider', $classes) ) {
		$item_html = preg_replace( '/<a[^>]*>( .* )<\/a>/iU', '', $item_html );
	}
		
        $output .= $item_html;
    }
	
    function start_lvl( &$output, $depth = 0, $args = array() ) {
        $output .= "\n<ul class=\"sub-menu dropdown\">\n";
    }
    
}
?>

foundation4-topbar.php

        <div class="top-bar-container fixed contain-to-grid">
            <nav class="top-bar">
                <ul class="title-area">
                    <li class="name">
                        <h1><a href="<?php echo home_url(); ?>"><?php bloginfo('name'); ?></a></h1>
                    </li>          
                    <li class="toggle-topbar menu-icon"><a href="#"><span>Menu</span></a></li>
                </ul>
                <section class="top-bar-section">
                    <?php foundation_top_bar_l(); ?>

                    <?php foundation_top_bar_r(); ?>
                </section>
            </nav>
        </div>