@Override
    public void addNotify() {
      super.addNotify();
      myFileEditor.putUserData(EDITOR_TOOLBAR_KEY, this);

      Project project = myModuleSelector.getProject();
      ApplicationManager.getApplication().invokeLater(() -> {
        try {
          myJShellHandlerGetter.call();
        }
        catch (Exception e) {
          JShellDiagnostic.notifyError(e, project);
        }
      }, ModalityState.stateForComponent(this), project.getDisposed());

      myBusConnection = project.getMessageBus().connect();
      myBusConnection.subscribe(ModuleListener.TOPIC, new ModuleListener() {
        @Override
        public void modulesAdded(@NotNull Project project, @NotNull List<? extends Module> modules) {
          reloadModules();
        }

        @Override
        public void moduleRemoved(@NotNull Project project, @NotNull Module module) {
          reloadModules();
        }

        @Override
        public void modulesRenamed(@NotNull Project project,
                                   @NotNull List<? extends Module> modules,
                                   @NotNull com.intellij.util.Function<? super Module, String> oldNameProvider) {
          reloadModules();
        }
      });
      reloadModules();
    }
@Override
    public void addNotify()