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