private boolean isQuickPreviewAvailableFor(AnActionEvent e) {
    Component component = e.getData(PlatformCoreDataKeys.CONTEXT_COMPONENT);
    if (!(component instanceof JTree) && !(component instanceof JList)) {
      return false;
    }
    VirtualFile virtualFile = e.getData(CommonDataKeys.VIRTUAL_FILE);
    PsiElement psiElement = e.getData(CommonDataKeys.PSI_ELEMENT);
    Project project = e.getProject();

    if (project != null && (virtualFile != null || psiElement != null)) {
      DataContext context = e.getDataContext();
      for (ImplementationViewSessionFactory factory : getSessionFactories()) {
        ImplementationViewSession session = factory.createSession(context, project, isSearchDeep(), isIncludeAlwaysSelf());
        if (session != null) {
          return true;
        }
      }
    }
    return false;
  }
private boolean isQuickPreviewAvailableFor(AnActionEvent e)