@Override
 public EditorFontType getStyle(int line, Editor editor) {
   LastRevision revision = myRevisions.get(line);
   return revision != null && revision.getDate().equals(myNewestDate)
       ? EditorFontType.BOLD
       : EditorFontType.PLAIN;
 }
 @Override
 public String getLineText(int line, Editor editor) {
   LastRevision revision = myRevisions.get(line);
   if (revision != null) {
     return String.format(
             "%" + myMaxDateLength + "s", DateFormatUtil.formatPrettyDate(revision.getDate()))
         + " "
         + revision.getAuthor();
   }
   return "";
 }
 @Override
 public String getToolTip(int line, Editor editor) {
   LastRevision revision = myRevisions.get(line);
   if (revision != null) {
     return XmlStringUtil.escapeString(
         revision.getAuthor()
             + " "
             + DateFormatUtil.formatDateTime(revision.getDate())
             + "\n"
             + revision.getMessage());
   }
   return null;
 }
    @CalledInAwt
    public void updateData(@NotNull Map<Integer, LastRevision> revisions) {
      myRevisions = revisions;

      Date newestDate = null;
      int maxDateLength = 0;

      for (LastRevision revision : myRevisions.values()) {
        Date date = revision.getDate();
        if (newestDate == null || date.after(newestDate)) {
          newestDate = date;
        }
        int length = DateFormatUtil.formatPrettyDate(date).length();
        if (length > maxDateLength) {
          maxDateLength = length;
        }
      }

      myNewestDate = newestDate;
      myMaxDateLength = maxDateLength;
    }