Merge remote-tracking branch 'origin/2.3-develop' into MAGETWO-94887

Author: Mastiuhin Olexandr

app/code/Magento/Downloadable/Test/Mftf/Test/AdminRemoveDefaultImageDownloadableProductTest.xml

@@ -18,7 +18,7 @@
             <testCaseId value="MC-201"/>
             <group value="Downloadable"/>
             <skip>
-                <issueId value="MAGETWO-94795"/>
+                <issueId value="MC-4063"/>
             </skip>
         </annotations>
         <before>

app/code/Magento/Tinymce3/view/base/web/tinymce3Adapter.js

@@ -37,7 +37,15 @@ define([
             this.config = config;
             this.schema = config.schema || html5Schema;
 
-            _.bindAll(this, 'beforeSetContent', 'saveContent', 'onChangeContent', 'openFileBrowser', 'updateTextArea');
+            _.bindAll(
+                this,
+                'beforeSetContent',
+                'saveContent',
+                'onChangeContent',
+                'openFileBrowser',
+                'updateTextArea',
+                'removeEvents'
+            );
 
             varienGlobalEvents.attachEventHandler('tinymceChange', this.onChangeContent);
             varienGlobalEvents.attachEventHandler('tinymceBeforeSetContent', this.beforeSetContent);
@@ -72,6 +80,17 @@ define([
             tinyMCE3.init(this.getSettings(mode));
         },
 
+        /**
+         * Remove events from instance.
+         *
+         * @param {String} wysiwygId
+         */
+        removeEvents: function (wysiwygId) {
+            var editor = tinyMceEditors.get(wysiwygId);
+
+            varienGlobalEvents.removeEventHandler('tinymceChange', editor.onChangeContent);
+        },
+
         /**
          * @param {*} mode
          * @return {Object}

app/code/Magento/Ui/Component/Form/Element/Wysiwyg.php

@@ -13,6 +13,8 @@
 use Magento\Ui\Component\Wysiwyg\ConfigInterface;
 
 /**
+ * WYSIWYG form element
+ *
  * @api
  * @since 100.1.0
  */
@@ -50,8 +52,9 @@ public function __construct(
     ) {
         $wysiwygConfigData = isset($config['wysiwygConfigData']) ? $config['wysiwygConfigData'] : [];
         $this->form = $formFactory->create();
+        $wysiwygId = $context->getNamespace() . '_' . $data['name'];
         $this->editor = $this->form->addField(
-            $context->getNamespace() . '_' . $data['name'],
+            $wysiwygId,
             \Magento\Framework\Data\Form\Element\Editor::class,
             [
                 'force_load' => true,
@@ -62,6 +65,7 @@ public function __construct(
             ]
         );
         $data['config']['content'] = $this->editor->getElementHtml();
+        $data['config']['wysiwygId'] = $wysiwygId;
 
         parent::__construct($context, $components, $data);
     }

app/code/Magento/Ui/view/base/web/js/form/element/wysiwyg.js

@@ -61,6 +61,14 @@ define([
             return this;
         },
 
+        /**
+         * @inheritdoc
+         */
+        destroy: function () {
+            this._super();
+            wysiwyg.removeEvents(this.wysiwygId);
+        },
+
         /**
          *
          * @returns {exports}