Typo3v8compatibility

Classes/Form/Element/RichTextElement.php

@@ -647,12 +647,18 @@ class RichTextElement extends AbstractFormElement {
 	 * @return string RTE initialization inline JavaScript code
 	 */
 	protected function getRteInitJsCode() {
+		$ajaxPingJavaScriptCode = '(function($) {
+			$(document).ready(function() {
+				$.get(TYPO3.settings.ajaxUrls[\'tinymce4_rte::ajaxPing\']);
+			});
+		})(TYPO3.jQuery);';
+
 		return 'if (typeof RTEarea === "undefined") {
 			RTEarea = new Object();
 			RTEarea[0] = new Object();
 			RTEarea[0].version = "' . $GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['tinymce4_rte']['version'] . '";
 			RTEarea[0].editorUrl = "' . ExtensionManagementUtility::extRelPath('tinymce4_rte') . '";
-		}';
+		}' . $ajaxPingJavaScriptCode;
 	}
 
 	/**