@Override
    public boolean onClick(@NotNull MouseEvent e, int clickCount) {
      if (e.getButton() == 1 && !e.isPopupTrigger()) {
        Object tag = getTagAt(e);
        if (tag == myTag) {
          final SvnFileRevision revision = getSelectedRevision(e);
          if (revision != null) {
            SvnMergeSourceDetails.showMe(myVcs.getProject(), revision, myFile);
            return true;
          }
        }
      }
      return false;
    }
@Override
    public boolean onClick(@NotNull MouseEvent e, int clickCount)