67 lines
2.5 KiB
PHP
67 lines
2.5 KiB
PHP
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<?php
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/**
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* WP_Bootstrap_Navwalker class.
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*
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* @extends Walker_Nav_Menu
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*/
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class WP_Bootstrap_Navwalker extends Walker_Nav_Menu
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{
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// Add classes to ul sub-menus
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function start_lvl(&$output, $depth = 0, $args = array())
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{
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$indent = str_repeat("\t", $depth);
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$output .= "\n$indent<ul class=\"dropdown-menu\">\n";
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}
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// Add main/sub classes to li's and links
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function start_el(&$output, $item, $depth = 0, $args = array(), $id = 0)
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{
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$indent = ($depth) ? str_repeat("\t", $depth) : '';
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$li_attributes = '';
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$class_names = $value = '';
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$classes = empty($item->classes) ? array() : (array) $item->classes;
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$classes[] = ($args->walker->has_children) ? 'dropdown' : '';
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$classes[] = 'nav-item';
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$classes[] = 'nav-item-' . $item->ID;
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if ($depth && $args->walker->has_children) {
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$classes[] = 'dropdown-submenu';
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}
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$class_names = join(' ', apply_filters('nav_menu_css_class', array_filter($classes), $item, $args));
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$class_names = ' class="' . esc_attr($class_names) . '"';
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$id = apply_filters('nav_menu_item_id', 'nav-menu-item-' . $item->ID, $item, $args);
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$id = $id ? ' id="' . esc_attr($id) . '"' : '';
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$output .= $indent . '<li' . $id . $value . $class_names . $li_attributes . '>';
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$attributes = !empty($item->attr_title) ? ' title="' . esc_attr($item->attr_title) . '"' : '';
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$attributes .= !empty($item->target) ? ' target="' . esc_attr($item->target) . '"' : '';
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$attributes .= !empty($item->xfn) ? ' rel="' . esc_attr($item->xfn) . '"' : '';
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$attributes .= !empty($item->url) ? ' href="' . esc_attr($item->url) . '"' : '';
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$attributes .= ($args->walker->has_children) ? ' class="nav-link dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"' : ' class="nav-link"';
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$item_output = $args->before;
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$item_output .= '<a' . $attributes . '>';
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$item_output .= $args->link_before . apply_filters('the_title', $item->title, $item->ID) . $args->link_after;
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$item_output .= '</a>';
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$item_output .= $args->after;
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$output .= apply_filters('walker_nav_menu_start_el', $item_output, $item, $depth, $args);
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}
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}
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/**
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* Register Custom Navigation Walker
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*/
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function register_navwalker()
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{
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require_once get_template_directory() . '/class-wp-bootstrap-navwalker.php';
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}
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add_action('after_setup_theme', 'register_navwalker');
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