Fix lang selection when using "lang" html attributes BT#15166

main/document/showinframes.php

@@ -185,7 +185,8 @@ $js_glossary_in_documents = '
         { type:"stylesheet", id:"_fr5", src:"'.api_get_path(WEB_PUBLIC_PATH).'assets/jquery-ui/themes/smoothness/jquery-ui.min.css"},
         { type:"stylesheet", id:"_fr6", src:"'.api_get_path(WEB_PUBLIC_PATH).'assets/jquery-ui/themes/smoothness/theme.css"},
         { type:"script", id:"_fr2", src:"'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.highlight.js"},
-        { type:"script", id:"_fr3", src:"'.api_get_path(WEB_CODE_PATH).'glossary/glossary.js.php?'.api_get_cidreq().'"}
+        { type:"script", id:"_fr3", src:"'.api_get_path(WEB_CODE_PATH).'glossary/glossary.js.php?'.api_get_cidreq().'"},
+        { type:"script", id:"_fr4", src:"'.api_get_path(WEB_AJAX_PATH).'lang.ajax.php?a=translate_html&'.api_get_cidreq().'"},
     ]
   });';
 
@@ -207,7 +208,6 @@ if (in_array(strtolower($pathinfo['extension']), $web_odf_supported_files)) {
     </script>'
     ;
 }
-
 // Activate code highlight.
 $isChatFolder = false;
 if (isset($document_data['parents']) && isset($document_data['parents'][0])) {
@@ -244,6 +244,9 @@ if ($is_freemind_available) {
     $execute_iframe = false;
 }
 
+
+$execute_iframe = true;
+
 if (!$playerSupported && $execute_iframe) {
     $htmlHeadXtra[] = '<script>
     <!--

main/inc/ajax/lang.ajax.php

@@ -0,0 +1,48 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+/**
+ * Responses to AJAX calls.
+ */
+require_once __DIR__.'/../global.inc.php';
+
+api_protect_course_script(true);
+
+$action = $_REQUEST['a'];
+
+switch ($action) {
+    case 'translate_html':
+        $languageList = api_get_languages();
+        $hideAll = '';
+        foreach ($languageList['all'] as $language) {
+            $hideAll .= '$("span:lang('.$language['isocode'].')").hide();';
+        }
+
+        $userInfo = api_get_user_info();
+        $languageId = api_get_language_id($userInfo['language']);
+        $languageInfo = api_get_language_info($languageId);
+
+        echo '
+            $(document).ready(function() {
+                '.$hideAll.'
+                var defaultLanguageFromUser = "'.$languageInfo['isocode'].'";
+                $("span:lang('.$languageInfo['isocode'].')").show();
+                
+                var defaultLanguage = "";
+                $(this).find("span").each(function() {
+                    defaultLanguage = $(this).attr("lang");
+                    if (defaultLanguage != "") {
+                        return false;
+                    }
+                });      
+                
+                if (defaultLanguageFromUser != defaultLanguage) {
+                    $("span:lang("+defaultLanguage+")").show();
+                }                   
+            });
+        ';
+        break;
+    default:
+        echo '';
+}
+exit;

main/inc/lib/javascript/ckeditor/config_js.php

@@ -31,5 +31,13 @@ if (!empty($courseId)) {
 }
 $template->assign('course_condition', $courseCondition);
 
+$languageList = api_get_languages();
+$list = [];
+foreach ($languageList['all'] as $language) {
+    $list[] = $language['isocode'].':'.$language['original_name'];
+}
+
+$template->assign('language_list', implode("','", $list));
+
 header('Content-type: application/x-javascript');
 $template->display($template->get_template('javascript/editor/ckeditor/config_js.tpl'));

main/template/rainbow/javascript/editor/ckeditor/config_js.tpl

@@ -145,7 +145,7 @@ CKEDITOR.editorConfig = function (config) {
         '{{ font_awesome_css }}',
         '{{ css_editor }}',
     ];
-    config.language_list = [ 'en:English', 'fr:French', 'es:Spanish', 'de:German', 'pl:Polish', 'it:Italian' ];
+    config.language_list = ['{{ language_list }}'];
 };
 
 // Sets default target to "_blank" in link plugin

main/template/rainbow/learnpath/view.tpl

@@ -362,6 +362,7 @@
                             {type: 'script', id: '_fr2', src: '{{ _p.web_lib }}javascript/jquery.highlight.js'},
                             {type: 'script', id: '_fr3', src: '{{ _p.web_main }}glossary/glossary.js.php'},
                             {type: 'script', id: '_fr3', src: '{{ _p.web_main }}glossary/glossary.js.php?{{ _p.web_cid_query }}'},
+                            {type: "script", id:"_fr4", src: '{{ _p.web_main }}inc/ajax/lang.ajax.php?a=translate_html&'},
                             {type: 'script', id: '_media1', src: '{{ _p.web }}web/assets/mediaelement/build/mediaelement-and-player.min.js'},
                             {type: 'stylesheet', id: '_media2', src: '{{ _p.web }}web/assets/mediaelement/build/mediaelementplayer.min.css'},
                             {type: 'stylesheet', id: '_media3', src: '{{ _p.web_css_theme }}mediaelement.css'},