Editor : Improve translate html and preload content

assets/js/translatehtml.js

@@ -11,6 +11,7 @@ document.addEventListener('DOMContentLoaded', function (){
       });
       const selectedLang = document.querySelectorAll('[lang="' + isoCode + '"]');
       selectedLang.forEach(function (userLang) {
+        userLang.classList.remove('hidden')
         userLang.style.display = 'block';
       });
     }

public/libs/editor/tinymce_plugins/translatehtml/plugin.js

@@ -5,16 +5,38 @@
     var global = tinymce.util.Tools.resolve('tinymce.PluginManager');
     var translatedSelector = 'span[class="mce-translatehtml"]';
 
-    var removeTranslated = function (editor) {
-      var translated = editor.dom.getParent(editor.selection.getStart(), translatedSelector);
-      if (translated) {
-        $(translated).replaceWith(function() {
-          return this.innerHTML;
+    var cleanTranslated = function (newElement) {
+     var nodes = $(newElement).find(".mce-translatehtml");
+     if (nodes.length > 0) {
+       $(newElement).find(".mce-translatehtml").each(function() {
+         $(this).replaceWith($(this).html());
        });
      }
-      editor.addVisual();
     };
 
+
+    var tinyWrap = function (open_tag, close_tag) {
+      var ed = (tinymce.activeEditor || opener.tinymce.activeEditor); /* get editor instance */
+      var selection = ed.selection.getContent(); /* get user selection, if any */
+      var temp_name  = new Date().getTime().toString(36).toLowerCase(); /* generate a unique string */
+      var span_open  = '<span id="' + temp_name + '">'; /* generate '<span id="unique">' */
+      var span_close = '</span>'; /* generate closing '</span>' */
+      selection = selection.replace(/<p>/g,'').replace(/<\/p>/g,'<br />'); /* convert <p></p> to <br /> */
+      if (selection.substr(selection.length-6) === '<br />') {
+        selection = selection.substr(0, selection.length-6); /* strip last <br /> if present */
+      }
+      /* create complete selection replacement: '<span id="unique">OPEN_TAGselectionCLOSE_TAG</span>' */
+      var content = open_tag + span_open + selection + span_close + close_tag;
+      ed.execCommand('mceReplaceContent', false, content); /* replace selection with new */
+      var span_elem = ed.dom.get(temp_name); /* get the element of the temp span */
+      ed.selection.select(span_elem); /* select (highlight) the selection span */
+      cleanTranslated(span_elem);
+      ed.dom.remove(temp_name, true); /* remove the span, leave it's highlighted text behind(true) */
+      ed.focus(); /* insure editor has focus */
+      return; /* taa-daa! all done! */
+    }
+
+
   var register = function (editor) {
         var languagesConfigStrings = editor.getParam("translatehtml_lenguage_list");
         editor.ui.registry.addSplitButton('translatehtml', {
@@ -24,13 +46,15 @@
             onItemAction: function (api, value) {
 
               if (value[0] != 'remove') {
-                var span = '<span dir="'+value[0]+'" lang="'+value[1]+'" class="mce-translatehtml" >'+value[2]+'</span>'; // $('<span />').attr({'className' : 'mce-translatehtml-tmp', 'dir' : value[0], 'lang' : value[1]}).html(value[2]);
-                editor.insertContent(span);
+                tinyWrap('<span class="mce-translatehtml hidden" dir="'+value[0]+'" lang="'+value[1]+'">', '</span>');
+              }
+              else {
+                tinyWrap('', '');
               }
-              removeTranslated(editor);
+
             },
             fetch: function (callback) {
-              var items = [], parts, curLanguageId, dir, itemText, i;
+              var items = [], parts, curLanguageId, dir, i;
               for ( i = 0; i < languagesConfigStrings.length; i++ ) {
                     parts = languagesConfigStrings[i].split(':');
                     curLanguageId = parts[0];
@@ -38,11 +62,10 @@
                     if ((''+parts[2]).toLowerCase() != 'rtl') {
                         dir = 'ltr';
                     }
-                    itemText = editor.selection.getContent({format: "text"});
                     items.push({
                             type: 'choiceitem',
                             text: parts[1],
-                            value: [dir , curLanguageId, itemText]
+                            value: [dir , curLanguageId]
                     });
                 }
                 items.push({