Roomba-VTZ.user.js

// ==UserScript==
// @name         Roomba-VTZ (Vote-to-zero)
// @namespace    https://gist.github.com/mogsdad/ed30af363a376ec4a1c2
// @version      1.1
// @description  Presents a set of buttons to quickly down-vote questions & answers for automatic deletion. (AKA Roomba candidates)
// @author       David Bingham (Mogsdad)
// @include      /^https?://\w*.?(stackoverflow|stackexchange|serverfault|superuser|askubuntu|stackapps)\.com/questions/[0-9]+.*/
// @grant        none
// ==/UserScript==

(function() {
  // Filter function
  // Based on http://stackoverflow.com/a/965962/1677912
  $.expr[':'].ancestors = function(a,i,m){
      return $(a).closest(m[3]).length < 1;
  };
  
  // Only run on closed non-duplicate non-migrated questions with no accepted answer (migrat matches migrated and migration)
  if (!$('.question-status').length ||
      $('.question-status').filter(':contains("duplicate"), :contains("migrat")').length ||
      $('.vote-accepted-on').length)
      return;

  // Check available horizontal width for VtzDiv
  var headerWidth = $('#header').width();
  var logoWidth = $('#hlogo').width();
  var navWidth = $('#hmenus').width();
  var availableWidth = headerWidth - (logoWidth + navWidth);
  
  $('#hmenus').before($('<div id="VtzDiv" style="visibility: hidden;position: absolute;left:' + ($('#hlogo').width() + 7.5) + 'px"><table id="VtzTable"><tr id="VtzRow"/></table></div>'));
  $('.vote').closest('td').filter(':ancestors(.deleted-answer)')                                            // Find votes for question & undeleted answers
                          .clone(true).css({'padding':0}).appendTo("#VtzRow")                               // Make table of vote cells
                          .find('[class^="star"],.favoritecount,.vote-accepted-on,.bounty-award').remove(); // without unecessary flair

  if ($('#VtzDiv').width() > availableWidth) {
    // Need to scale the table
    $('#VtzDiv').css({'transform-origin':'0% 30%','transform':'scale('+ availableWidth/$('#VtzDiv').width() +')'});
  }
  $('#VtzDiv').css({"visibility":"visible"});
})();