'menu_item_parent', 'id' => 'db_id' ); /** * @see Walker::start_lvl() * @since 3.0.0 * * @param string $output Passed by reference. Used to append additional content. * @param int $depth Depth of page. Used for padding. */ function start_lvl(&$output, $depth) { $indent = str_repeat("\t", $depth); $output .= "\n$indent\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 $args */ function start_el(&$output, $item, $depth, $args) { global $wp_query; $indent = ( $depth ) ? str_repeat( "\t", $depth ) : ''; $classes = $value = ''; $classes = array( 'menu-item', 'menu-item-type-'. $item->type, $item->classes ); if ( 'custom' == $item->object ) { $current_url = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; $item_url = strpos( $item->url, '#' ) ? substr( $item->url, 0, strpos( $item->url, '#' ) ) : $item->url; if ( $item_url == $current_url ) $classes[] = 'current-menu-item'; } else { $classes[] = 'menu-item-object-'. $item->object; if ( $item->object_id == $wp_query->get_queried_object_id() ) $classes[] = 'current-menu-item'; } // @todo add classes for parent/child relationships $classes = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) ); $classes = ' class="' . esc_attr( $classes ) . '"'; $output .= $indent . '\n"; } } /** * Create HTML list of nav menu input items. * * @package WordPress * @since 3.0.0 * @uses Walker_Nav_Menu */ class Walker_Nav_Menu_Checklist extends Walker_Nav_Menu { /** * @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 $args */ function start_el(&$output, $item, $depth, $args) { global $_nav_menu_placeholder; $_nav_menu_placeholder = ( 0 > $_nav_menu_placeholder ) ? intval($_nav_menu_placeholder) - 1 : -1; $possible_object_id = isset( $item->post_type ) && 'nav_menu_item' == $item->post_type ? $item->object_id : $_nav_menu_placeholder; $possible_db_id = ( ! empty( $item->ID ) ) && ( 0 < $possible_object_id ) ? (int) $item->ID : 0; $indent = ( $depth ) ? str_repeat( "\t", $depth ) : ''; $output .= $indent . '
  • '; $output .= ''; $output .= ''; // Menu item hidden fields $output .= ''; $output .= ''; $output .= ''; $output .= ''; $output .= ''; $output .= ''; $output .= ''; $output .= ''; $output .= ''; $output .= ''; $output .= ''; $output .= ''; $output .= ''; } } /** * Displays a navigation menu. * * Optional $args contents: * * id - The menu id. Defaults to blank. * slug - The menu slug. Defaults to blank. * menu_class - CSS class to use for the div container of the menu list. Defaults to 'menu'. * format - Whether to format the ul. Defaults to 'div'. * fallback_cb - If the menu doesn't exists, a callback function will fire. Defaults to 'wp_page_menu'. * before - Text before the link text. * after - Text after the link text. * link_before - Text before the link. * link_after - Text after the link. * echo - Whether to echo the menu or return it. Defaults to echo. * * @todo show_home - If you set this argument, then it will display the link to the home page. The show_home argument really just needs to be set to the value of the text of the link. * * @since 3.0.0 * * @param array $args Arguments */ function wp_nav_menu( $args = array() ) { $defaults = array( 'menu' => '', 'container' => 'div', 'container_class' => '', 'menu_class' => 'menu', 'echo' => true, 'fallback_cb' => 'wp_page_menu', 'before' => '', 'after' => '', 'link_before' => '', 'link_after' => '', 'depth' => 0, 'walker' => '', 'context' => 'frontend' ); $args = wp_parse_args( $args, $defaults ); $args = apply_filters( 'wp_nav_menu_args', $args ); $args = (object) $args; // Get the nav menu $menu = wp_get_nav_menu_object( $args->menu ); // If we couldn't find a menu based off the name, id or slug, // get the first menu that has items. if ( ! $menu ) { $menus = wp_get_nav_menus(); foreach ( $menus as $menu_maybe ) { if ( wp_get_nav_menu_items($menu_maybe->term_id) ) { $menu = $menu_maybe; break; } } } // If the menu exists, get its items. if ( $menu && ! is_wp_error($menu) ) $menu_items = wp_get_nav_menu_items( $menu->term_id ); // If no menu was found or if the menu has no items, call the fallback_cb if ( !$menu || is_wp_error($menu) || ( isset($menu_items) && empty($menu_items) ) ) { if ( 'frontend' == $args->context && ( function_exists($args->fallback_cb) || is_callable( $args->fallback_cb ) ) ) { return call_user_func( $args->fallback_cb, (array) $args ); } } // If no fallback function was specified and the menu doesn't exists, bail. if ( !$menu || is_wp_error($menu) ) return false; $nav_menu = ''; $items = ''; $container_allowedtags = apply_filters( 'wp_nav_menu_container_allowedtags', array( 'div', 'p', 'nav' ) ); if ( in_array( $args->container, $container_allowedtags ) ) { $class = $args->container_class ? ' class="' . esc_attr($args->container_class) . '"' : ' class="menu-'. $menu->slug .'-container"'; $nav_menu .= '<'. $args->container . $class .'>'; } // Set up the $menu_item variables $sorted_menu_items = array(); foreach ( (array) $menu_items as $key => $menu_item ) $sorted_menu_items[$menu_item->menu_order] = wp_setup_nav_menu_item( $menu_item ); $items .= walk_nav_menu_tree( $sorted_menu_items, $args->depth, $args ); // Attributes $attributes = ' id="menu-' . $menu->slug . '"'; $attributes .= $args->menu_class ? ' class="'. $args->menu_class .'"' : ''; $nav_menu .= ''; // Allow plugins to hook into the menu to add their own
  • 's if ( 'frontend' == $args->context ) { $items = apply_filters( 'wp_nav_menu_items', $items, $args ); $items = apply_filters( "wp_nav_menu_{$menu->slug}_items", $items, $args ); $nav_menu .= $items; } else { $nav_menu .= $items; } $nav_menu .= ''; if ( in_array( $args->container, $container_allowedtags ) ) $nav_menu .= 'container .'>'; $nav_menu = apply_filters( 'wp_nav_menu', $nav_menu, $args ); if ( $args->echo ) echo $nav_menu; else return $nav_menu; } /** * Retrieve the HTML list content for nav menu items. * * @uses Walker_Nav_Menu to create HTML list content. * @since 2.1.0 * @see Walker::walk() for parameters and return description. */ function walk_nav_menu_tree( $items, $depth, $r ) { $walker = ( empty($r->walker) ) ? new Walker_Nav_Menu : $r->walker; $args = array( $items, $depth, $r ); return call_user_func_array( array(&$walker, 'walk'), $args ); } ?>