public static int calculateContentHeight(int lines) {
    String word = IdeBundle.message("notification.manager.content.height.word");
    String lineBreak = IdeBundle.message("notification.manager.content.height.linebreak");
    String content = word + StringUtil.repeat(lineBreak + word, lines - 1);

    JEditorPane text = new JEditorPane();
    text.setEditorKit(HTMLEditorKitBuilder.simple());
    text.setText(NotificationsUtil.buildHtml(null, null, false, content, null, null, null, NotificationsUtil.getFontStyle()));
    text.setEditable(false);
    text.setOpaque(false);
    text.setBorder(null);

    return text.getPreferredSize().height;
  }
public static int calculateContentHeight(int lines)