From b74ca9f2e02f55753831f1a8a00793372c5e74f8 Mon Sep 17 00:00:00 2001
From: Candid Dauth <cdauth+github.com@cdauth.eu>
Date: Tue, 25 Oct 2022 23:51:29 +0200
Subject: [PATCH] Add setting to show menu items in alternative language
 (#1063)

Use case: not all menus are translated for the current language.
Allow menus to be shown in the first available language.
False by default = menus require translation to be shown.
---
 admin/qtx_admin_settings.php |  7 +++++++
 qtranslate_frontend.php      | 15 +++++++++------
 qtranslate_options.php       |  1 +
 3 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/admin/qtx_admin_settings.php b/admin/qtx_admin_settings.php
index f163df0b..c010a0eb 100644
--- a/admin/qtx_admin_settings.php
+++ b/admin/qtx_admin_settings.php
@@ -402,6 +402,13 @@ private function add_general_section() {
                         <?php _e( 'The message about available languages for the content of a post or a page may also appear if a single post display with an untranslated content if viewed directly.', 'qtranslate' ) ?>
                         <?php printf( __( 'This function will not work correctly if you installed %s on a blog with existing entries. In this case you will need to take a look at option "%s" under "%s" section.', 'qtranslate' ), 'qTranslate', __( 'Convert Database', 'qtranslate' ), __( 'Import', 'qtranslate' ) . '/' . __( 'Export', 'qtranslate' ) ) ?></p>
                     <br/>
+                    <label for="show_menu_alternative_language">
+                        <input type="checkbox" name="show_menu_alternative_language" id="show_menu_alternative_language"
+                               value="1"<?php checked( $q_config['show_menu_alternative_language'] ) ?>/> <?php _e( 'Show menu items in an alternative language when translation is not available for the selected language.', 'qtranslate' ) ?>
+                    </label>
+                    <br/>
+                    <p class="qtranxs-notes"><?php printf( __( 'When checked, menus are shown in the first available language ordered as defined by option "%s". If unchecked, menus are displayed only if translated in the current language.', 'qtranslate' ), __( 'Default Language / Order', 'qtranslate' ) ) ?></p>
+                    <br/>
                     <label for="show_alternative_content">
                         <input type="checkbox"
                                name="show_alternative_content"
diff --git a/qtranslate_frontend.php b/qtranslate_frontend.php
index 899d3ebb..fedaf743 100644
--- a/qtranslate_frontend.php
+++ b/qtranslate_frontend.php
@@ -96,13 +96,16 @@ function qtranxf_wp_get_nav_menu_items( $items, $menu, $args ) {
             $item_title = $item->title;
             if ( ! empty( $item_title ) ) {
                 if ( empty( $item->post_title ) && ! qtranxf_isMultilingual( $item_title ) ) {
-                    //$item does not have custom menu title, then it fetches information from post_title, but it is already translated with ShowEmpty=false, which gives either valid translation or possibly something like "(English) English Text". We need to translate again and to skip menu item if translation does not exist.
+                    // Item does not have custom menu title.
                     switch ( $item->type ) {
                         case 'post_type':
-                            $p = get_post( $item->object_id );
-                            if ( $p ) {
-                                $post_title_ml = isset( $p->post_title_ml ) ? $p->post_title_ml : $p->post_title;
-                                $item_title    = qtranxf_use_language( $language, $post_title_ml, false, true );
+                            // Fetch information from post_title, but it's already translated with ShowEmpty=false,
+                            // which gives either valid translation or possibly something like "(English) English Text".
+                            // Translate again and skip menu item if translation does not exist.
+                            $post = get_post( $item->object_id );
+                            if ( $post ) {
+                                $post_title_ml = isset( $post->post_title_ml ) ? $post->post_title_ml : $post->post_title;
+                                $item_title    = qtranxf_use_language( $language, $post_title_ml, false, ! $q_config['show_menu_alternative_language'] );
                             }
                             break;
                         case 'taxonomy':
@@ -120,7 +123,7 @@ function qtranxf_wp_get_nav_menu_items( $items, $menu, $args ) {
                             break;
                     }
                 } else {
-                    $item_title = qtranxf_use_language( $language, $item_title, false, true );
+                    $item_title = qtranxf_use_language( $language, $item_title, false, ! $q_config['show_menu_alternative_language'] );
                 }
             }
             if ( empty( $item_title ) ) {
diff --git a/qtranslate_options.php b/qtranslate_options.php
index 1da69f24..4046dc18 100644
--- a/qtranslate_options.php
+++ b/qtranslate_options.php
@@ -93,6 +93,7 @@ function qtranxf_set_default_options( &$ops ) {
     $ops['front']['bool'] = array(
         'detect_browser_language'        => true,   // enables browser language detection
         'hide_untranslated'              => false,  // hide pages without content
+        'show_menu_alternative_language' => false,  // hide menu items without a translation
         'show_displayed_language_prefix' => true,
         'show_alternative_content'       => false,
         'hide_default_language'          => true,   // hide language tag for default language in urls