public void tryExtractAgain() {
    PsiDocumentManager.getInstance(myProject).commitAllDocuments();

    PsiElement[] elements = getPatternElements();
    if (elements.length != 0) {
      PsiFile psiFile = elements[0].getContainingFile();
      if (psiFile != null) {
        ExtractMethodSnapshot.SNAPSHOT_KEY.set(psiFile, mySnapshot);
        try {
          Editor editor = getEditor(psiFile, true);
          ExtractMethodHandler.invokeOnElements(myProject, editor, psiFile, elements);
          return;
        }
        finally {
          ExtractMethodSnapshot.SNAPSHOT_KEY.set(psiFile, null);
        }
      }
    }
    Messages.showErrorDialog(myProject, JavaRefactoringBundle.message("can.t.restore.context.for.method.extraction"),
                             JavaRefactoringBundle.message("failed.to.re.run.refactoring"));
  }
public void tryExtractAgain()