tinyMCE use document "scriptoptions", and allow to override tinyMCE Javascript parameters

layouts/joomla/tinymce/textarea.php

@@ -18,7 +18,7 @@
 	cols="<?php echo $data->cols; ?>"
 	rows="<?php echo $data->rows; ?>"
 	style="width: <?php echo $data->width; ?>; height: <?php echo $data->height; ?>;"
-	class="mce_editable"
+	class="<?php echo empty($data->class) ? 'mce_editable' : $data->class; ?>"
 >
 	<?php echo $data->content; ?>
 </textarea>

media/editors/tinymce/js/tinymce-init.js

@@ -0,0 +1,63 @@
+/**
+ * @copyright  Copyright (C) 2005 - 2016 Open Source Matters, Inc. All rights reserved.
+ * @license    GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+;(function(tinyMCE, Joomla, $, window, document){
+	"use strict";
+
+	// This line is for Mootools b/c
+	window.getSize = window.getSize || function(){return {x: $(window).width(), y: $(window).height()};};
+
+	window.jInsertEditorText = function ( text, editor ) {
+		tinyMCE.activeEditor.execCommand('mceInsertContent', false, text);
+	}
+
+	/**
+	 * Find all TinyMCE elements and initialize TinyMCE instance for each
+	 */
+	Joomla.setupEditorsTinyMCE = Joomla.setupEditorsTinyMCE || function(target){
+		target = target || document;
+		var pluginOptions = Joomla.optionsStorage.plg_editor_tinymce || {},
+			$editors = $(target).find('.joomla-editor-tinymce');
+
+		for(var i = 0, l = $editors.length; i < l; i++) {
+			Joomla.initializeEditorTinyMCE($editors[i], pluginOptions);
+		}
+	}
+
+	/**
+	 * Initialize TinyMCE instance
+	 */
+	Joomla.initializeEditorTinyMCE = Joomla.initializeEditorTinyMCE || function (element, pluginOptions) {
+		var name = element ? $(element).attr('name').replace(/\[\]|\]/g, '').split('[').pop() : 'default', // Get Editor name
+			tinyMCEOptions = pluginOptions ? pluginOptions.tinyMCE || {} : {},
+			defaultOptions = tinyMCEOptions['default'] || {},
+			options = tinyMCEOptions[name] ? tinyMCEOptions[name] : defaultOptions; // Check specific options by the name
+
+		// Avoid unexpected changes
+		options = jQuery.extend({}, options);
+
+		if (element) {
+			options.selector = null;
+			options.target   = element;
+		}
+
+		if (options.setupCallbacString && !options.setup) {
+			options.setup = new Function('editor', options.setupCallbacString);
+		}
+
+		tinyMCE.init(options);
+	}
+
+	// Init on doomready
+	$(document).ready(function(){
+		Joomla.setupEditorsTinyMCE();
+
+    	// Init in subform field
+    	$(document).on('subform-row-add', function(event, row){
+    		Joomla.setupEditorsTinyMCE(row);
+    	})
+	});
+
+}(tinyMCE, Joomla, jQuery, window, document));