name : class-wp-bootstrap-navwalker.php <?php class Wp_Bootstrap_Navwalker extends Walker_Nav_Menu { /** * @see Walker::start_lvl() * @since 3.0.0 * * @param string $output Passed by reference. Used to append additional content. * @param int $depth Depth of page. Used for padding. */ public function start_lvl( &$output, $depth = 0, $args = array() ) { $indent = str_repeat( "\t", $depth ); $output .= "\n$indent<ul role=\"menu\" class=\" dropdown-menu\">\n"; } /** * @see Walker::start_el() * @since 3.0.0 * * @param string $output Passed by reference. Used to append additional content. * @param object $item Menu item data object. * @param int $depth Depth of menu item. Used for padding. * @param int $current_page Menu item ID. * @param object $args */ public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) { $indent = ( $depth ) ? str_repeat( "\t", $depth ) : ''; $extra = get_post_meta( $item->ID, '_menu_item_extra', true ); $widget = get_post_meta( $item->ID, '_menu_item_widget', true ); /** * Dividers, Headers or Disabled * ============================= * Determine whether the item is a Divider, Header, Disabled or regular * menu item. To prevent errors we use the strcasecmp() function to so a * comparison that is not case sensitive. The strcasecmp() function returns * a 0 if the strings are equal. */ if ( strcasecmp( $item->attr_title, 'divider' ) == 0 && 1 === $depth ) { $output .= $indent . '<li role="presentation" class="divider">'; } elseif ( strcasecmp( $item->title, 'divider' ) == 0 && 1 === $depth ) { $output .= $indent . '<li role="presentation" class="divider">'; } elseif ( strcasecmp( $item->attr_title, 'dropdown-header' ) == 0 && 1 === $depth ) { $output .= $indent . '<li role="presentation" class="dropdown-header">' . esc_attr( $item->title ); } elseif ( strcasecmp( $item->attr_title, 'disabled' ) == 0 ) { $output .= $indent . '<li role="presentation" class="disabled"><a href="#">' . esc_attr( $item->title ) . '</a>'; } else { $class_names = ''; $value = ''; $classes = empty( $item->classes ) ? array() : (array) $item->classes; $classes[] = 'menu-item-' . $item->ID; $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) ); if ( $args->has_children ) { $class_names .= ' dropdown'; } if ( in_array( 'current-menu-item', $classes ) ) { $class_names .= ' active'; } $class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : ''; $id = apply_filters( 'nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args ); $id = $id ? ' id="' . esc_attr( $id ) . '"' : ''; $output .= $indent . '<li' . $id . $value . $class_names . '>'; $atts = array(); $atts['title'] = ! empty( $item->attr_title ) ? $item->attr_title : $item->title; $atts['target'] = ! empty( $item->target ) ? $item->target : ''; $atts['rel'] = ! empty( $item->xfn ) ? $item->xfn : ''; // If item has_children add atts to a. if ( $args->has_children && 0 === $depth ) { $atts['href'] = ! empty( $item->url ) ? $item->url : ''; // $atts['data-toggle'] = 'dropdown'; // $atts['class'] = 'dropdown-toggle'; } else { $atts['href'] = ! empty( $item->url ) ? $item->url : ''; } if ( 'shapely-section' == $extra ) { if ( ! is_front_page() ) { $atts['href'] = site_url() . esc_attr( $item->url ); } if ( '' != $widget ) { $atts['data-scroll'] = $widget; } } $atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args ); $attributes = ''; foreach ( $atts as $attr => $value ) { if ( ! empty( $value ) ) { $value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value ); $attributes .= ' ' . $attr . '="' . $value . '"'; } } $item_output = $args->before; /* * Glyphicons * =========== * Since the the menu item is NOT a Divider or Header we check the see * if there is a value in the attr_title property. If the attr_title * property is NOT null we apply it as the class name for the glyphicon. */ if ( ! empty( $item->attr_title ) ) { $item_output .= '<a' . $attributes . '><span class="glyphicon ' . esc_attr( $item->attr_title ) . '"></span>&nbsp;'; } else { $item_output .= '<a' . $attributes . '>'; } $item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after; $item_output .= ( $args->has_children ) ? ' </a><span class="dropdown-toggle shapely-dropdown" data-toggle="dropdown"><i class="fa fa-angle-down" aria-hidden="true"></i></span>' : '</a>'; $item_output .= $args->after; $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args ); }// End if(). } /** * Traverse elements to create list from elements. * * Display one element if the element doesn't have any children otherwise, * display the element and its children. Will only traverse up to the max * depth and no ignore elements under that depth. * * This method shouldn't be called directly, use the walk() method instead. * * @see Walker::start_el() * @since 2.5.0 * * @param object $element Data object * @param array $children_elements List of elements to continue traversing. * @param int $max_depth Max depth to traverse. * @param int $depth Depth of current element. * @param array $args * @param string $output Passed by reference. Used to append additional content. * * @return null Null on failure with no changes to parameters. */ public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) { if ( ! $element ) { return; } $id_field = $this->db_fields['id']; // Display this element. if ( is_object( $args[0] ) ) { $args[0]->has_children = ! empty( $children_elements[ $element->$id_field ] ); } parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output ); } /** * Menu Fallback * ============= * If this function is assigned to the wp_nav_menu's fallback_cb variable * and a manu has not been assigned to the theme location in the WordPress * menu manager the function with display nothing to a non-logged in user, * and will add a link to the WordPress menu manager if logged in as an admin. * * @param array $args passed from the wp_nav_menu function. * */ public static function fallback( $args ) { if ( current_user_can( 'manage_options' ) ) { $fb_output = null; if ( isset( $args['container'] ) ) { $fb_output = '<' . $args['container']; if ( isset( $args['container_id'] ) ) { $fb_output .= ' id="' . $args['container_id'] . '"'; } if ( isset( $args['container_class'] ) ) { $fb_output .= ' class="' . $args['container_class'] . '"'; } $fb_output .= '>'; } $fb_output .= '<ul'; if ( isset( $args['menu_id'] ) ) { $fb_output .= ' id="' . $args['menu_id'] . '"'; } if ( isset( $args['menu_class'] ) ) { $fb_output .= ' class="' . $args['menu_class'] . '"'; } $fb_output .= '>'; $fb_output .= '<li><a href="' . esc_url( admin_url( 'nav-menus.php' ) ) . '">' . esc_html__( 'Add a menu', 'shapely' ) . '</a></li>'; $fb_output .= '</ul>'; if ( isset( $args['container'] ) ) { $fb_output .= '</' . $args['container'] . '>'; } echo $fb_output; }// End if(). } }