public void update()

in code_samples/psi_demo/src/main/java/org/intellij/sdk/psi/PsiNavigationDemoAction.java [61:65]

• 5 lines of code
• 2 McCabe index (conditional complexity)

  public void update(AnActionEvent e) {
    Editor editor = e.getData(CommonDataKeys.EDITOR);
    PsiFile psiFile = e.getData(CommonDataKeys.PSI_FILE);
    e.getPresentation().setEnabled(editor != null && psiFile != null);
  }