Complete multilingual richeditor support

Refs #1652

modules/backend/formwidgets/RichEditor.php

@@ -1,5 +1,7 @@
 <?php namespace Backend\FormWidgets;
 
+use App;
+use File;
 use Event;
 use Request;
 use Backend\Classes\FormWidgetBase;
@@ -55,6 +57,7 @@ class RichEditor extends FormWidgetBase
      */
     public function prepareVars()
     {
+        $this->vars['editorLang'] = $this->getValidEditorLang();
         $this->vars['fullPage'] = $this->fullPage;
         $this->vars['stretch'] = $this->formField->stretch;
         $this->vars['size'] = $this->formField->size;
@@ -116,6 +119,29 @@ class RichEditor extends FormWidgetBase
     {
         $this->addCss('css/richeditor.css', 'core');
         $this->addJs('js/build-min.js', 'core');
+
+        if ($lang = $this->getValidEditorLang()) {
+            $this->addJs('vendor/redactor/lang/'.$lang.'.js', 'core');
+        }
+    }
+
+    /**
+     * Returns a valid language code for Redactor.
+     * @return string|mixed
+     */
+    protected function getValidEditorLang()
+    {
+        $locale = App::getLocale();
+
+        // English is baked in
+        if ($locale == 'en') {
+            return null;
+        }
+
+        $locale = str_replace('-', '_', strtolower($locale));
+        $path = base_path('modules/backend/formwidgets/richeditor/assets/vendor/redactor/lang/'.$locale.'.js');
+
+        return File::exists($path) ? $locale : false;
     }
 
     /**

modules/backend/formwidgets/richeditor/assets/js/richeditor.js

@@ -40,7 +40,8 @@
         dataLocker: null,
         linksHandler: null,
         stylesheet: null,
-        fullpage: false
+        fullpage: false,
+        editorLang: 'en'
     }
 
     RichEditor.prototype.init = function() {
@@ -68,7 +69,7 @@
          * Initialize Redactor editor
          */
         var redactorOptions = {
-            lang: document.documentElement.lang,
+            lang: this.options.editorLang,
             imageEditable: true,
             imageResizable: true,
             buttonSource: true,
@@ -424,23 +425,19 @@
 
     var old = $.fn.richEditor
 
-    $.fn.richEditor = function(option) {
+    $.fn.richEditor = function (option) {
         var args = arguments;
 
-        return this.each(function() {
+        return this.each(function () {
             var $this   = $(this)
             var data    = $this.data('oc.richEditor')
             var options = $.extend({}, RichEditor.DEFAULTS, $this.data(), typeof option == 'object' && option)
-
-            if (!data) {
-                $this.data('oc.richEditor', (data = new RichEditor(this, options)))
-            }
+            if (!data) $this.data('oc.richEditor', (data = new RichEditor(this, options)))
 
             if (typeof option == 'string') {
                 var methodArgs = [];
-                for (var i=1; i<args.length; i++) {
+                for (var i=1; i<args.length; i++)
                     methodArgs.push(args[i])
-                }
 
                 data[option].apply(data, methodArgs)
             }

modules/backend/formwidgets/richeditor/partials/_richeditor.htm

@@ -5,6 +5,7 @@
     <div
         id="<?= $this->getId() ?>"
         class="field-richeditor size-<?= $size ?> <?= $stretch?'layout-relative stretch':'' ?>"
+        <?php if ($editorLang): ?>data-editor-lang="<?= $editorLang ?>"<?php endif ?>
         <?php if ($fullPage): ?>data-fullpage="true"<?php endif ?>
         data-data-locker="#<?= $this->getId('dataLocker') ?>"
         data-links-handler="<?= $this->getEventHandler('onGetPageLinks') ?>"