LibraryThing reply preview (HTML)

Shows the message that's being replied to in a hover tooltip, including mark-up

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name        LibraryThing reply preview (HTML)
// @namespace   https://greasyfork.org/en/users/11592-max-starkenburg
// @description Shows the message that's being replied to in a hover tooltip, including mark-up
// @include     http*://*librarything.tld/topic*
// @include     http*://*librarything.com/topic*
// @include     http*://*librarything.tld/talktopic*
// @include     http*://*librarything.com/talktopic*
// @version     2
// @grant       none
// ==/UserScript==

jQuery("head").append('<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.10.3/jquery-ui.min.js"></script>')  

jQuery("head").append('<style type="text/css"> \
  .ui-tooltip { padding: 8px 8px 0; background-color: #fff; position: absolute; z-index: 9999; box-shadow: 0 0 5px #888; min-width: 300px; max-width: 600px; max-width: calc(100% - 500px); }\
  .ui-tooltip h3 { font-size: 10px; line-height: normal; } \
  .ui-tooltip h3 .b { color: #000 !important; } \
  .ui-tooltip .mT { font-size: 10px !important; } \
  .ui-tooltip br { line-height: 8px; } \
  .ui-arrow { width: 70px; height: 12px; top: 100%; left: 0; overflow: hidden; position: absolute; }\
  .ui-arrow.top { top: auto; bottom: 100%; }\
  .ui-arrow:after { content: ""; background-color: #fff; position: absolute; top: -20px; width: 25px; height: 25px; margin-left: 20px; box-shadow: 0 0 5px #888; -webkit-transform: rotate(45deg); -moz-transform: rotate(45deg); -ms-transform: rotate(45deg); -o-transform: rotate(45deg); tranform: rotate(45deg); } \
  .ui-arrow.top:after { bottom: -20px; top: auto; } \
  </style>');

function waitForJQueryUI() {  
  if (window.jQuery.ui) {
    jQuery("#msgs").tooltip({
      items: ".mT a[href^='#']:not(.ed)",
      content: function() {
        var ref = jQuery(this).attr("href").substring(1);
        var ref = jQuery(".fp:has(a[name='" + ref + "'])");
        if (ref.length) {
          return ref.clone().find(".ed, .tj").remove().end().html();
        }
      },
      position: {
        my: "left-20 bottom-15",
        at: "left top",
        using: function(position, feedback) {
          jQuery( this ).css( position );
          jQuery("<div>")
            .addClass( "ui-arrow" )
            .addClass( feedback.vertical )
            .addClass( feedback.horizontal )
            .appendTo( this );
        }
      }
    });
  } else {
    setTimeout(waitForJQueryUI, 100);
  }
}

// There's an error if we don't wait for jQuery UI to get loaded before the .tooltip() call
waitForJQueryUI();