'LM', 'title' => 'Language', 'flags' => true, 'topflag' => true, 'names' => true, 'colon' => true, 'current' => true ); $at = strpos( $url, '?' ); if ( false === $at ) { return $options; } $pars = array(); parse_str( str_replace( '#', '', substr( $url, $at + 1 ) ), $pars ); foreach ( $pars as $name => $value ) { if ( ! is_string( $value ) ) { unset( $pars[ $name ] ); } } if ( isset( $pars['type'] ) && false !== stripos( $pars['type'], 'AL' ) ) { $options['type'] = 'AL'; } if ( isset( $pars['flags'] ) ) { $options['flags'] = false === stripos( $pars['flags'], 'no' ); $options['topflag'] = $options['flags'] && false === stripos( $pars['flags'], 'items' ); } if ( isset( $pars['names'] ) ) { $options['names'] = false === stripos( $pars['names'], 'hid' ); } if ( isset( $pars['title'] ) ) { $options['title'] = false !== stripos( $pars['title'], 'no' ) ? '' : $pars['title']; if ( ! $options['topflag'] && '' === $options['title'] ) { $options['title'] = 'Language'; } } if ( isset( $pars['colon'] ) ) { $options['colon'] = false === stripos( $pars['colon'], 'hid' ); } if ( isset( $pars['current'] ) ) { $options['current'] = false === stripos( $pars['current'], 'hid' ); } if ( ! $options['names'] && ! $options['flags'] ) { $options['flags'] = true; } return $options; } /** Flag image for a menu title. The name is the text alternative only when it is not printed next to the flag. */ function qtrad_menu_flag( $lang, $alt ) { $flag = qtrad_flag_url( $lang ); return $flag ? '' : ''; } function qtrad_menu_language_title( $lang, $flags, $names ) { $name = qtrad_language_name( $lang ); $title = $flags ? qtrad_menu_flag( $lang, $names ? '' : $name ) : ''; if ( $names || '' === $title ) { $title .= ( '' !== $title ? ' ' : '' ) . esc_html( $name ); } return $title; } function qtrad_filter_nav_menu_items( $items ) { if ( ! is_array( $items ) ) { return $items; } $switchers = array(); $order = 0; foreach ( $items as $key => $item ) { if ( ! is_object( $item ) ) { continue; } $order = max( $order, isset( $item->menu_order ) ? (int) $item->menu_order : 0 ); if ( isset( $item->item_lang ) ) { continue; } $item->item_lang = qtrad_current_language(); foreach ( array( 'attr_title', 'description' ) as $field ) { if ( isset( $item->$field ) && is_string( $item->$field ) && qtrad_has_lang_tags( $item->$field ) ) { $item->$field = qtrad_use_current( $item->$field ); } } if ( isset( $item->url ) && is_string( $item->url ) && false !== stripos( $item->url, 'qtransLangSw' ) ) { $switchers[] = $key; } } foreach ( $switchers as $key ) { foreach ( qtrad_menu_switcher_children( $items[ $key ], $order ) as $child ) { $items[] = $child; } } return $items; } /** * Turn one stored switcher item into its top item and return the language * items below it. Type LM lists the languages under a "Language" item, type AL * links the top item to the first other language and lists the rest below. */ function qtrad_menu_switcher_children( $item, &$order ) { $options = qtrad_menu_switcher_options( $item->url ); $current = qtrad_current_language(); $top_lang = $current; $alt_lang = ''; if ( 'AL' === $options['type'] ) { foreach ( qtrad_enabled_languages() as $lang ) { if ( $lang !== $current ) { $top_lang = $lang; $alt_lang = $lang; break; } } } $name = qtrad_language_name( $top_lang ); if ( '' !== $alt_lang ) { $title = '' === $options['title'] ? '' : esc_html( $name ); $item->url = qtrad_convert_url( '', $alt_lang, false, true ); $item->qtrad_lang_link = array( 'lang' => $alt_lang, 'native' => true ); } else { if ( '' === $options['title'] ) { $title = ''; } elseif ( false !== stripos( $options['title'], 'Current' ) ) { $title = esc_html( $name ); } else { // Only a title translated per language replaces the default, as in qTranslate-X. $title = esc_html( isset( $item->title ) && is_string( $item->title ) && qtrad_has_lang_tags( $item->title ) ? qtrad_use_current( $item->title ) : __( 'Language', 'qtrad' ) ); } $item->url = '#'; } if ( $options['topflag'] ) { $flag = qtrad_menu_flag( $top_lang, $title === esc_html( $name ) ? '' : $name ); if ( '' !== $flag && '' !== $title ) { /* translators: %s: title of the language menu item, a flag follows the colon */ $title = ( $options['colon'] ? sprintf( __( '%s:', 'qtrad' ), $title ) : $title ) . ' '; } $title .= $flag; } $item->title = '' !== $title ? $title : esc_html( $name ); $item->classes = array_merge( isset( $item->classes ) && is_array( $item->classes ) ? $item->classes : array(), array( 'qtranxs-lang-menu', 'qtranxs-lang-menu-' . $top_lang ) ); $parent = isset( $item->db_id ) && $item->db_id ? (int) $item->db_id : (int) $item->ID; $children = array(); foreach ( qtrad_enabled_languages() as $lang ) { if ( $lang === $alt_lang || ( $lang === $current && ( '' !== $alt_lang || ! $options['current'] ) ) ) { continue; } // Ids above any stored post, so no other post or menu item shares them. $id = 1000000000 + ( $parent % 1000000 ) * 100 + count( $children ) + 1; $title = qtrad_menu_language_title( $lang, $options['flags'], $options['names'] ); $child = new WP_Post( (object) array( 'ID' => $id, 'post_type' => 'nav_menu_item', 'post_status' => 'publish', 'post_title' => $title, 'post_name' => 'language-menuitem-' . $lang, 'menu_order' => ++$order, ) ); $child->db_id = $id; $child->menu_item_parent = (string) $parent; $child->object_id = (string) $id; $child->object = 'custom'; $child->type = 'custom'; $child->type_label = 'Custom Link'; $child->title = $title; $child->url = qtrad_convert_url( '', $lang, false, true ); $child->target = ''; $child->attr_title = ''; $child->description = ''; $child->classes = array( 'qtranxs-lang-menu-item', 'qtranxs-lang-menu-item-' . $lang ); $child->xfn = ''; $child->item_lang = $lang; $child->qtrad_lang_link = array( 'lang' => $lang, 'native' => true ); $children[] = $child; } return $children; } /** * Custom links into the site follow the current language. This runs after * WordPress has marked the current item, which it does by comparing the stored * URL with the request. A link with setlang=no stays as stored, and a link to * #?lang=xx opens the current page in that language. */ function qtrad_filter_nav_menu_objects( $items ) { if ( ! is_array( $items ) ) { return $items; } foreach ( $items as $item ) { if ( ! is_object( $item ) || ! isset( $item->type, $item->url ) || 'custom' !== $item->type || ! is_string( $item->url ) || '' === $item->url || isset( $item->qtrad_lang_link ) ) { continue; } if ( false !== strpos( $item->url, 'setlang=no' ) ) { $item->url = remove_query_arg( 'setlang', $item->url ); } elseif ( preg_match( '/#\?lang=([a-z]{2,3})(?![a-z])/i', $item->url, $match ) ) { $lang = strtolower( $match[1] ); if ( qtrad_is_enabled( $lang ) ) { $item->url = qtrad_convert_url( '', $lang, false, true ); $item->item_lang = $lang; $item->qtrad_lang_link = array( 'lang' => $lang, 'native' => false ); } } else { $url = qtrad_convert_url( $item->url ); if ( '' !== $url ) { $item->url = $url; } } } return $items; } function qtrad_filter_nav_menu_link_attributes( $atts, $item ) { if ( ! is_array( $atts ) || ! is_object( $item ) || ! isset( $item->qtrad_lang_link ) || ! is_array( $item->qtrad_lang_link ) ) { return $atts; } $lang = $item->qtrad_lang_link['lang']; $atts['hreflang'] = qtrad_language_tag( $lang ); if ( $item->qtrad_lang_link['native'] ) { $atts['lang'] = $atts['hreflang']; } if ( $lang === qtrad_current_language() ) { $atts['aria-current'] = 'true'; } return $atts; }