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Using the Zurb Foundation Top Bar with WordPress menus
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<?php | |
class Navigation { | |
public function __construct() { | |
// Move the navigation to the header element | |
remove_action( 'genesis_after_header', 'genesis_do_nav' ); | |
remove_action( 'genesis_site_title', 'genesis_seo_site_title' ); | |
// remove_action( 'genesis_header', ) | |
add_action( 'genesis_header', 'genesis_do_nav', 6 ); | |
// Use a custom walker for the primary nav | |
add_filter( 'genesis_do_nav', array( $this, 'custom_nav_walker' ), 10, 3 ); | |
// Add custom 'has-dropdown' class to parent menu items | |
add_filter( 'wp_nav_menu_objects', array( $this, 'custom_parent_class' ) ); | |
// Add custom 'active' class when needed | |
add_filter( 'nav_menu_css_class', array( $this, 'custom_active_class' ), 10, 2 ); | |
} | |
public function custom_nav_walker( $nav_output, $nav, $args ) { | |
$args['menu_class'] = $args['menu_class'] . ' right'; | |
$args['walker'] = new TopBarNavigationWalker; | |
$site_name = apply_filters( 'highway_site_title', get_bloginfo( 'name' ) ); | |
$title = '<ul class="title-area"><li class="name"><h1><a href="' . home_url() . '">' . $site_name . '</a></h1></li><li class="toggle-topbar menu-icon"><a href="#"><span>Menu</span></a></li></ul>'; | |
$nav = sprintf( '%s<section class="top-bar-section">%s %s</section>', | |
$title, | |
wp_nav_menu( $args ), | |
apply_filters( 'highway_nav_elements', '' ) | |
); | |
$nav_markup_open = genesis_markup( array( | |
'html5' => '<div class="top-bar-wrapper contain-to-grid sticky"><nav class="nav-primary top-bar" data-topbar data-options="is_hover: false;scrolltop: false">', | |
'xhtml' => '<div id="nav">', | |
'context' => 'nav-primary', | |
'echo' => false, | |
) ); | |
$nav_markup_open .= genesis_structural_wrap( 'menu-primary', 'open', 0 ); | |
$nav_markup_close = genesis_structural_wrap( 'menu-primary', 'close', 0 ); | |
$nav_markup_close .= genesis_html5() ? '</nav></div>' : '</div>'; | |
$nav_output = $nav_markup_open . $nav . $nav_markup_close; | |
return $nav_output; | |
} | |
public function custom_parent_class( $items ) { | |
$parents = array(); | |
foreach ( $items as $item ) { | |
if ( $item->menu_item_parent && $item->menu_item_parent > 0 ) { | |
$parents[] = $item->menu_item_parent; | |
} | |
} | |
foreach ( $items as $item ) { | |
if ( in_array( $item->ID, $parents ) ) { | |
$item->classes[] = 'has-dropdown'; | |
} | |
} | |
return $items; | |
} | |
public function custom_active_class( $classes, $item ) { | |
if ( $item->current == 1 || $item->current_item_ancestor == true ) { | |
$classes[] = 'active '; | |
} | |
return $classes; | |
} | |
public function display_search() { | |
$output = sprintf( '<ul class="menu-search-container"><div class="search"><li>%s</li></div></ul>', | |
get_search_form( false ) | |
); | |
return $output; | |
} | |
} |
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<?php | |
class TopBarNavigationWalker extends \Walker_Nav_Menu { | |
public function start_lvl( &$output, $depth = 0, $args = array() ) { | |
// depth dependent classes | |
$indent = ( $depth > 0 ? str_repeat( "\t", $depth ) : '' ); // code indent | |
$display_depth = ( $depth + 1 ); // because it counts the first submenu as 0 | |
$classes = array( | |
'sub-menu', | |
( $display_depth % 2 ? 'menu-odd' : 'menu-even' ), | |
( $display_depth >= 2 ? 'sub-sub-menu' : '' ), | |
'menu-depth-' . $display_depth, | |
'dropdown', | |
); | |
$class_names = implode( ' ', $classes ); | |
// build html | |
$output .= "\n" . $indent . '<ul class="' . $class_names . '">' . "\n"; | |
} | |
} |
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