\n"; } /** * Start El. * * @see Walker::start_el() * @since 3.0.0 * * @access public * @param mixed $output Passed by reference. Used to append additional content. * @param mixed $item Menu item data object. * @param int $depth (default: 0) Depth of menu item. Used for padding. * @param array $args (default: array()) Arguments. * @param int $id (default: 0) Menu item ID. * @return void */ public function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) { $indent = ( $depth ) ? str_repeat( "\t", $depth ) : ''; /** * 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 ( 0 === strcasecmp( $item->attr_title, 'divider' ) && 1 === $depth ) { $output .= $indent . '
  • '; $atts = array(); $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['class'] = 'dropdown-toggle'; $atts['aria-haspopup'] = 'true'; else : $atts['href'] = ! empty( $item->url ) ? $item->url : ''; endif; $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 . '"'; endif; endforeach; $item_output = $args->before; // $item_output = ''; /* * Glyphicons/Font-Awesome * =========== * 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 ) ) : $pos = strpos( esc_attr( $item->attr_title ), 'glyphicon' ); if ( false !== $pos ) : $item_output .= ' '; else : $item_output .= ' '; endif; else : $item_output .= ''; endif; $item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after; $item_output .= ( $args->has_children ) ? '' : ''; $item_output .= $args->after; $item_output .= $this->displayMegaMenu( $item , $upstudy_mega_menu ); $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args ); } } /** * 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 * * @access public * @param mixed $element Data object. * @param mixed $children_elements List of elements to continue traversing. * @param mixed $max_depth Max depth to traverse. * @param mixed $depth Depth of current element. * @param mixed $args Arguments. * @param mixed $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 menu 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( 'edit_theme_options' ) ) { /* Get Arguments. */ $container = $args['container']; $container_id = $args['container_id']; $container_class = $args['container_class']; $menu_class = $args['menu_class']; $menu_id = $args['menu_id']; if ( $container ) { echo '<' . esc_attr( $container ); if ( $container_id ) { echo ' id="' . esc_attr( $container_id ) . '"'; } if ( $container_class ) { echo ' class="' . sanitize_html_class( $container_class ) . '"'; } echo '>'; } echo ''; echo '
  • ' . esc_attr( 'Add a menu', 'upstudy' ) . '
  • '; echo ''; if ( $container ) { echo ''; } } } public function megaMenuAsSubMenu($item, $depth ) { return isset($item->upstudy_mega_menu) && $item->upstudy_mega_menu ? $item->upstudy_mega_menu : false; } public function displayMegaMenu( $item, $upstudy_mega_menu ) { if ( $upstudy_mega_menu ) : $args = array( 'name' => $upstudy_mega_menu, 'post_type' => 'upstudy_megamenu', 'post_status' => 'publish', 'numberposts' => 1 ); $posts = get_posts($args); if ( $posts && isset( $posts[0] ) ) : $post = $posts[0]; $content = apply_filters( 'upstudy_generate_post_builder', do_shortcode( $post->post_content ), $post, $post->ID ); $width = $item->upstudy_menu_custom_width ? 'style="width:'.$item->upstudy_menu_custom_width.'px"':""; if ( 'fullwidth' === $item->upstudy_menu_alignment ) : $width = 'style="width:100%"'; endif; return ''; endif; endif; return ''; } }