public void update()

in code_samples/editor_basics/src/main/java/org/intellij/sdk/editor/EditorHandlerIllustration.java [52:62]

• 9 lines of code
• 3 McCabe index (conditional complexity)

  public void update(@NotNull final AnActionEvent e) {
    final Project project = e.getProject();
    final Editor editor = e.getData(CommonDataKeys.EDITOR);
    // Make sure at least one caret is available
    boolean menuAllowed = false;
    if (editor != null && project != null) {
      // Ensure the list of carets in the editor is not empty
      menuAllowed = !editor.getCaretModel().getAllCarets().isEmpty();
    }
    e.getPresentation().setEnabledAndVisible(menuAllowed);
  }