[BUGFIX] RTE not loaded in IRRE elements

Classes/Loader.php

@@ -151,6 +151,10 @@ class Loader {
 
 			SG.initTinyMceLoadFunction = function() {
 				if (SG.initializedTinyMceLoaderInstance) {
+					if (SG.initTinyMceLoadInterval) {
+						clearInterval(SG.initTinyMceLoadInterval);
+					}
+
 					return;
 				}
 
@@ -158,12 +162,20 @@ class Loader {
 					SG.initializedTinyMceLoaderInstance = new SG.TinyMceLoader(window.tinymce, {
 						' . $this->replaceTypo3Paths($this->tinymceConfiguration['configurationData']) . '
 					});
+
+					if (SG.initTinyMceLoadInterval) {
+						clearInterval(SG.initTinyMceLoadInterval);
+					}
 				}
 			};
 
 			SG.domIsReady(function() {
 				SG.initTinyMceLoadFunction();
 			});
+
+			// the content ready event is not thrown if RTE fields are loaded via IRRE
+			// so we need to check at least after some time if the function was really called
+			SG.initTinyMceLoadInterval = window.setInterval(SG.initTinyMceLoadFunction, 1500);
 		';
 		$configuration .= $this->tinymceConfiguration['postJS'];