Content Lock on Entityform nodes? In Drupal 7, it appears that the Content Lock module (which prevents concurrent editing of nodes) is not able to work its magic on Entityform-based nodes. Is there a workaround? Something similar with Entityform capabilities?
You might get it to work by implementing an "edit-in-progress" (= EIP) feature using the Flag module, combined with using the Rules module. Similar to what I described within "Option 1" in my answer to "Can the Flag module be used to lock content while editing to prevent concurrent edits?" (BTW, that question is a variation of yours, not a duplicate though ...).