302579705d
Navbar items with children broke if the menu depth excluded the children.
Such as: wp_nav_menu(array('depth' => 1)) where 2nd level children exist
97 lines
3.2 KiB
PHP
97 lines
3.2 KiB
PHP
<?php
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/**
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* Cleaner walker for wp_nav_menu()
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*
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* Walker_Nav_Menu (WordPress default) example output:
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* <li id="menu-item-8" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-8"><a href="/">Home</a></li>
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* <li id="menu-item-9" class="menu-item menu-item-type-post_type menu-item-object-page menu-item-9"><a href="/sample-page/">Sample Page</a></l
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*
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* Roots_Nav_Walker example output:
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* <li class="menu-home"><a href="/">Home</a></li>
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* <li class="menu-sample-page"><a href="/sample-page/">Sample Page</a></li>
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*/
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class Roots_Nav_Walker extends Walker_Nav_Menu {
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function check_current($classes) {
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return preg_match('/(current[-_])|active|dropdown/', $classes);
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}
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function start_lvl(&$output, $depth = 0, $args = array()) {
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$output .= "\n<ul class=\"dropdown-menu\">\n";
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}
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function start_el(&$output, $item, $depth = 0, $args = array(), $id = 0) {
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$item_html = '';
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parent::start_el($item_html, $item, $depth, $args);
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if ($item->is_dropdown && ($depth === 0)) {
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$item_html = str_replace('<a', '<a class="dropdown-toggle" data-toggle="dropdown" data-target="#"', $item_html);
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$item_html = str_replace('</a>', ' <b class="caret"></b></a>', $item_html);
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}
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elseif (stristr($item_html, 'li class="divider')) {
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$item_html = preg_replace('/<a[^>]*>.*?<\/a>/iU', '', $item_html);
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}
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elseif (stristr($item_html, 'li class="nav-header')) {
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$item_html = preg_replace('/<a[^>]*>(.*)<\/a>/iU', '$1', $item_html);
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}
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$output .= $item_html;
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}
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function display_element($element, &$children_elements, $max_depth, $depth = 0, $args, &$output) {
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$element->is_dropdown = ((!empty($children_elements[$element->ID]) && (($depth + 1) < $max_depth)));
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if ($element->is_dropdown) {
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if ($depth === 0) {
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$element->classes[] = 'dropdown';
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} elseif ($depth === 1) {
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$element->classes[] = 'dropdown-submenu';
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}
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}
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parent::display_element($element, $children_elements, $max_depth, $depth, $args, $output);
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}
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}
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/**
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* Remove the id="" on nav menu items
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* Return 'menu-slug' for nav menu classes
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*/
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function roots_nav_menu_css_class($classes, $item) {
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$slug = sanitize_title($item->title);
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$classes = preg_replace('/(current(-menu-|[-_]page[-_])(item|parent|ancestor))/', 'active', $classes);
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$classes = preg_replace('/^((menu|page)[-_\w+]+)+/', '', $classes);
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$classes[] = 'menu-' . $slug;
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$classes = array_unique($classes);
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return array_filter($classes, 'is_element_empty');
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}
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add_filter('nav_menu_css_class', 'roots_nav_menu_css_class', 10, 2);
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add_filter('nav_menu_item_id', '__return_null');
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/**
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* Clean up wp_nav_menu_args
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*
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* Remove the container
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* Use Roots_Nav_Walker() by default
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*/
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function roots_nav_menu_args($args = '') {
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$roots_nav_menu_args['container'] = false;
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if (!$args['items_wrap']) {
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$roots_nav_menu_args['items_wrap'] = '<ul class="%2$s">%3$s</ul>';
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}
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if (current_theme_supports('bootstrap-top-navbar')) {
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$roots_nav_menu_args['depth'] = 3;
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}
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if (!$args['walker']) {
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$roots_nav_menu_args['walker'] = new Roots_Nav_Walker();
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}
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return array_merge($args, $roots_nav_menu_args);
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}
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add_filter('wp_nav_menu_args', 'roots_nav_menu_args');
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