diff --git bp-core/admin/bp-core-functions.php bp-core/admin/bp-core-functions.php index 7e145fa..a148d60 100644 --- bp-core/admin/bp-core-functions.php +++ bp-core/admin/bp-core-functions.php @@ -642,3 +642,80 @@ function bp_admin_list_table_current_bulk_action() { return $action; } + +/** Menus *********************************************************************/ + +/** + * Registers a meta box for BuddyPress WP Nav Menu and a js at the bottom of + * the page + * + * @since BuddyPress (1.9) + * + * @global integer the current blog id + * @uses bp_is_root_blog() to check whether this is the root blog + * @uses add_meta_box() to register the BuddyPress WP Nav accordeon + * @uses add_action() to hook to admin footer scripts and load a piece of + * javascript + */ +function bp_admin_wp_nav_menu_meta_box() { + if ( ! bp_is_root_blog() ) { + return; + } + + add_meta_box( 'add-buddypress-nav-menu', __( 'BuddyPress', 'buddypress' ), 'bp_admin_do_wp_nav_menu_meta_box', 'nav-menus', 'side', 'default' ); + + add_action( 'admin_print_footer_scripts', 'bp_admin_wp_nav_menu_restrict_class_attr' ); +} + +/** + * Builds and populates the BuddyPress accordion on Appearance > Menus + * + * @since BuddyPress (1.9) + * + * @global $nav_menu_selected_id + * @uses BP_Walker_Nav_Menu_Checklist to use our adapted walker + * @uses bp_get_nav_item_pages() to get the menu items + */ +function bp_admin_do_wp_nav_menu_meta_box() { + global $nav_menu_selected_id; + + $walker = new BP_Walker_Nav_Menu_Checklist( false ); + $args = array( 'walker' => $walker ); + $menu_pages = bp_get_nav_item_pages(); + + ?> +
+
+ +
+ + class="button-secondary submit-add-to-menu right" value="" name="add-custom-menu-item" id="submit-buddypress-menu" /> + + +
+ + + + db_fields = $fields; + } + } + + public function start_lvl( &$output, $depth = 0, $args = array() ) { + $indent = str_repeat( "\t", $depth ); + $output .= "\n$indent"; + } + + /** + * @see Walker::start_el() + * + * @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 object $args + */ + function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) { + 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 .= ''; + + if ( empty( $item->url ) ) { + $item->url = $item->guid; + } + + if ( ! in_array( array( 'bp-menu', 'bp-'. $item->post_excerpt .'-nav' ), $item->classes ) ) { + $item->classes[] = 'bp-menu'; + $item->classes[] = 'bp-'. $item->post_excerpt .'-nav'; + } + + // Menu item hidden fields + $output .= ''; + $output .= ''; + $output .= ''; + $output .= ''; + $output .= ''; + $output .= ''; + $output .= ''; + $output .= ''; + $output .= ''; + $output .= ''; + } +} diff --git bp-core/bp-core-filters.php bp-core/bp-core-filters.php index f8f05d0..75eb028 100644 --- bp-core/bp-core-filters.php +++ bp-core/bp-core-filters.php @@ -386,3 +386,79 @@ add_filter( 'wp_title', 'bp_modify_page_title', 10, 3 ); add_filter( 'bp_modify_page_title', 'wptexturize' ); add_filter( 'bp_modify_page_title', 'convert_chars' ); add_filter( 'bp_modify_page_title', 'esc_html' ); + +/** + * Add BuddyPress-specific items to the wp_nav_menu + * + * If user is not logged in regiser menu and login menu item must show + * If user is logged in register menu must be unset and logout must replace login + * + * @param WP_Post $menu_item the menu item + * @uses is_admin() to check we're in backend + * @uses is_user_logged_in() to check if we have a user logged in + * @uses wp_logout_url() to build the log out url + * @uses bp_get_root_domain() to be redirected to root domain url once logged out + * @uses wp_login_url() to build log in url + * @uses wp_guess_url() to be redirected to be redirected at the best place once logged in + * @uses bp_get_nav_item_pages() to get the url for the user's nav + * @uses bp_get_requested_url() to get the current url + * @return obj The modified WP_Post object + */ +function bp_setup_nav_menu_item( $menu_item ) { + if ( is_admin() ) { + return $menu_item; + } + + // We use information stored in the CSS class to determine what kind of + // menu item this is, and how it should be treated + $css_target = preg_match( '/\sbp-(.*)-nav/', implode( ' ', $menu_item->classes), $matches ); + + // If this isn't a BP menu item, we can stop here + if ( empty( $matches[1] ) ) { + return $menu_item; + } + + switch ( $matches[1] ) { + // The 'login' link appears as 'Log Out' to logged-in users, + // 'Log In' to those who are not logged-in + case 'login' : + if ( is_user_logged_in() ) { + $menu_item->url = wp_logout_url( bp_get_root_domain() ); + $menu_item->title = __( 'Log Out', 'buddypress' ); + } else { + $menu_item->url = wp_login_url( wp_guess_url() ); + $menu_item->title = __( 'Log In', 'buddypress' ); + } + + break; + + // Don't show the Register link to logged-in users + case 'register' : + if ( is_user_logged_in() ) { + $menu_item->_invalid = true; + } + + break; + + // All other BP nav items are specific to the logged-in user, + // and so are not relevant to logged-out users + default: + if ( is_user_logged_in() ) { + $menu_item->url = bp_get_nav_item_url( $matches[1] ); + } else { + $menu_item->_invalid = true; + } + + break; + } + + // Highlight the current page + $current = bp_get_requested_url(); + if ( strpos( $current, $menu_item->url ) !== false ) { + $menu_item->classes[] = 'current_page_item'; + } + + return $menu_item; +} + +add_filter( 'wp_setup_nav_menu_item', 'bp_setup_nav_menu_item', 10, 1 ); diff --git bp-core/bp-core-functions.php bp-core/bp-core-functions.php index 80d7889..04980ce 100644 --- bp-core/bp-core-functions.php +++ bp-core/bp-core-functions.php @@ -1411,3 +1411,115 @@ function bp_core_print_generation_time() { Appearance > Menu as well as the menu as rendered on the front + * end. Most of the items in the BuddyPress set of nav items are neither posts + * nor tax terms, so we fake a post-like object so as to be compatible with the + * menu. + * + * This technique also allows us to generate links dynamically, so that, for + * example, "My Profile" will always point to the URL of the profile of the + * logged-in user. + * + * @since BuddyPress (1.9) + * + * @uses bp_core_get_directory_page_ids() to get all the directory pages, and + * check for the proper location of the Register page + * @uses get_the_title() to get the title for the registration page + * @uses get_permalink() to get the link to the registration page + * @uses buddypress() to get the bp_nav items + * @return mixed A URL or an array of dummy pages + */ +function bp_get_nav_item_pages() { + + // Try to catch the cached version first + if ( ! empty( buddypress()->wp_nav_menu_items ) ) { + return buddypress()->wp_nav_menu_items; + } + + // Pull up a list of items registered in BP's top-level nav array + $bp_menu_items = buddypress()->bp_nav; + + // Some BP nav menu items will not be represented in bp_nav, because + // they are not real BP components. We add them manually here. + $bp_menu_items[] = array( + 'name' => __( 'Log in/Log out', 'buddypress' ), + 'slug' => 'login', + 'link' => wp_login_url() + ); + + // The Register page will not always be available (ie, when + // registration is disabled) + $bp_directory_page_ids = bp_core_get_directory_page_ids(); + + if( ! empty( $bp_directory_page_ids['register'] ) ) { + $register_page = get_post( $bp_directory_page_ids['register'] ); + $bp_menu_items[] = array( + 'name' => $register_page->post_title, + 'slug' => $register_page->post_name, + 'link' => get_permalink( $register_page->ID ), + ); + } + + // If there's nothing to show, we're done + if ( count( $bp_menu_items ) < 1 ) { + return false; + } + + $page_args = array(); + + foreach ( $bp_menu_items as $bp_item ) { + $item_name = ''; + + // Remove number + $item_name = preg_replace( '/([.0-9]+)/', '', $bp_item['name'] ); + $item_name = trim( strip_tags( $item_name ) ); + + $page_args[ $bp_item['slug'] ] = (object) array( + 'ID' => -1, + 'post_title' => $item_name, + 'post_author' => 0, + 'post_date' => 0, + 'post_excerpt' => $bp_item['slug'], + 'post_type' => 'page', + 'post_status' => 'publish', + 'comment_status' => 'closed', + 'guid' => $bp_item['link'] + ); + } + + buddypress()->wp_nav_menu_items = $page_args; + + return buddypress()->wp_nav_menu_items; +} + +/** + * Get the URL for a BuddyPress WP nav menu item, based on slug + * + * BuddyPress-specific WP nav menu items have dynamically generated URLs, + * based on the identity of the current user. This function lets you fetch the + * proper URL for a given nav item slug (such as 'login' or 'messages'). + * + * @since BuddyPress (1.9) + * + * @param string $slug The slug of the nav item: login, register, or one of the + * slugs from buddypress()->bp_nav + * @return string $nav_item_url The URL generated for the current user + */ +function bp_get_nav_item_url( $slug ) { + $nav_item_url = ''; + $nav_menu_items = bp_get_nav_item_pages(); + + if ( isset( $nav_menu_items[ $slug ] ) ) { + $nav_item_url = $nav_menu_items[ $slug ]->guid; + } + + return $nav_item_url; +}