void () { if (myProject.isDisposed()) { return; } Thread.currentThread().setUncaughtExceptionHandler(SceneBuilderImpl::logUncaughtException); myEditorController = new EditorController(); updateCustomLibrary(); JavaFXPlatformHelper.setupJFXPanel(myPanel, myEditorController); loadFile(); myListener = JavaFXPlatformHelper.createChangeListener(() -> { if (!mySkipChanges) { myEditorCallback.saveChanges(myEditorController.getFxmlText()); } }); mySelectionListener = JavaFXPlatformHelper.createChangeListener(() -> { if (!mySkipChanges) { mySelectionState = getSelectionState(); } }); JavaFXPlatformHelper.addListeners(myEditorController, myListener, mySelectionListener); }