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Text Highlighter 2015

Automatically highlight user-defined text with Seek function (2015-09-20)

目前為 2015-10-11 提交的版本，檢視 最新版本。

  1. // ==UserScript==
  2. // @name          Text Highlighter 2015
  3. // @author        erosman and Jefferson "jscher2000" Scher
  4. // @namespace     JeffersonScher
  5. // @version       2.0.1
  6. // @description   Automatically highlight user-defined text with Seek function (2015-09-20)
  7. // @include       https://greasyfork.org/*
  8. // @grant         GM_registerMenuCommand
  9. // @grant         GM_setValue
  10. // @grant         GM_getValue
  11. // @grant         GM_getResourceURL
  12. // @copyright     Copyright 2015 Jefferson Scher. Portions created by erosman.
  13. // @license       BSD 3-clause
  14. // @resource      mycon http://www.jeffersonscher.com/gm/src/gfrk-TH15-ver201.png
  15. // ==/UserScript==
  16. var script_about = "https://greasyfork.org/en/scripts/3719-text-highlighter-dynamic";
  17.  
  18. /* --------- Note ---------
  19.   TO INCLUDE SITES (only Greasy Fork is initially included):
  20.  
  21.   Go to Add-ons - User Scripts (Ctrl+Shift+a/Cmd+Shift+a on Firefox Windows/Mac)
  22.   Click on the Script's Option
  23.   Under User Settings Tab, Add Included/Excluded Pages that you want the script to run on
  24.   Click OK
  25.  
  26.   Note from erosman: If you find that another script clashes with this script, set Text Highlighter to Execute first.
  27.   Go to Add-ons - User Scripts ('Ctrl+ Shift + a' on Firefox)
  28.   Right Click on the Script
  29.   On the context menu click: Execute first
  30.  
  31.   On Add-ons - User Scripts, you can also Click on the Execution Order (top Right) and
  32.   change the execution order so that Text Highlighter runs before those scripts that clashes with it.
  33.  
  34.   --------- History ---------
  35.   http://userscripts-mirror.org/scripts/show/292083
  36.   http://userscripts-mirror.org/topics/187122.html
  37. */
  38.  
  39. (function() { // anonymous function wrapper, used for error checking & limiting scope
  40.   'use strict';
  41.   
  42.   if (window.self !== window.top) { return; } // end execution if in a frame
  43.  
  44.   // sample keyword+style object to get started
  45.   var hlobjDefault = {
  46.     "set100" : {
  47.       keywords : "scripts|script",
  48.       type: "string",
  49.       textcolor : "rgb(0,0,0)",
  50.       backcolor : "rgb(255,255,128)",
  51.       fontweight : "inherit",
  52.       custom : "",
  53.       enabled : "true",
  54.       visible : "true",
  55.       updated : ""
  56.     },
  57.     "set099" : {
  58.       keywords : "site",
  59.       type: "word",
  60.       textcolor : "rgb(0,0,0)",
  61.       backcolor : "rgb(255,192,255)",
  62.       fontweight : "inherit",
  63.       custom : "",
  64.       enabled : "true",
  65.       visible : "true",
  66.       updated : ""
  67.     },
  68.     "set098" : {
  69.       keywords : "^September \\d{1,2}",
  70.       type: "regex",
  71.       textcolor : "rgb(0,0,0)",
  72.       backcolor : "rgb(192,255,255)",
  73.       fontweight : "inherit",
  74.       custom : "",
  75.       enabled : "true",
  76.       visible : "true",
  77.       updated : ""
  78.     }
  79.   };
  80.   var kwhieditstyle = ["rgb(0,0,255)","rgb(255,255,0)","inherit",""];
  81.  
  82.   // read pref storage: keyword-style sets
  83.   var hljson = GM_getValue("kwstyles");
  84.   if (!hljson || hljson.length == 0){
  85.     var hlobj = hlobjDefault;
  86.     // check for legacy preferences
  87.     var kwold = GM_getValue("keywords");
  88.     if (kwold) if(kwold.length > 0) {
  89.       hlobj.set100.keywords = kwold.split(',').join('|');
  90.     }
  91.     var hlold = GM_getValue("highlightStyle");
  92.     if (hlold) if(hlold.length > 0) {
  93.       // really should try to parse this, but for now...
  94.       hlobj.set100.custom = hlold;
  95.     }
  96.     // save starting values
  97.     hljson = JSON.stringify(hlobj);
  98.     GM_setValue("kwstyles",hljson);
  99.   } else {
  100.     var hlobj = JSON.parse(hljson);
  101.   }
  102.   // global keys array
  103.   var hlkeys = Object.keys(hlobj);
  104.  
  105.   // read/set other prefs
  106.   var hlbtnvis = GM_getValue("hlbtnvis");
  107.   if (!hlbtnvis){
  108.     hlbtnvis = "on";
  109.     GM_setValue("hlbtnvis",hlbtnvis);
  110.   }
  111.   var hlprecode = GM_getValue("hlprecode");
  112.   if (!hlprecode){
  113.     hlprecode = true;
  114.     GM_setValue("hlprecode",hlprecode);
  115.   }
  116.   var hlnextset = GM_getValue("hlnextset");
  117.   if (!hlnextset){
  118.     hlnextset = 101;
  119.     GM_setValue("hlnextset",hlnextset);
  120.   }
  121.   
  122.   // Inject CSS
  123.   function insertCSS(setkeys){
  124.     for (var j = 0; j < setkeys.length; ++j){
  125.       var hlset = setkeys[j];
  126.       if (hlobj[hlset].visible == "true"){
  127.         var rule = "."+hlset+"{display:inline!important;";
  128.         if (hlobj[hlset].textcolor.length > 0) rule += "color:"+hlobj[hlset].textcolor+";";
  129.         if (hlobj[hlset].backcolor.length > 0) rule += "background-color:"+hlobj[hlset].backcolor+";";
  130.         if (hlobj[hlset].fontweight.length > 0) rule += "font-weight:"+hlobj[hlset].fontweight+";";
  131.         if (hlobj[hlset].custom.length > 0) rule += hlobj[hlset].custom+";";
  132.         rule += "}";
  133.         var setrule = document.querySelector('style[hlset="' + hlset +'"]');
  134.         if (!setrule){
  135.           var s = document.createElement("style");
  136.           s.type = "text/css";
  137.           s.setAttribute("hlset", hlset);
  138.           s.appendChild(document.createTextNode(rule));
  139.           document.body.appendChild(s);
  140.         } else {
  141.           setrule.innerHTML = rule;
  142.         }
  143.       }
  144.     }
  145.   }
  146.   insertCSS(hlkeys);
  147.  
  148.   // Main workhorse routine
  149.   function THmo_doHighlight(el,subset){
  150.     if (subset) var keyset = subset;
  151.     else var keyset = hlkeys;
  152.     for (var j = 0; j < keyset.length; ++j) {
  153.       var hlset = keyset[j];
  154.       if (hlobj[hlset].visible == "true" && hlobj[hlset].enabled == "true"){
  155.         var hlkeywords = hlobj[hlset].keywords;
  156.         if (hlkeywords.length > 0) {
  157.           if (hlobj[hlset].type != "regex"){
  158.             var rQuantifiers = /[-\/\\^$*+?.()[\]{}]/g;
  159.             hlkeywords = hlkeywords.replace(rQuantifiers, '\\$&');
  160.             if (hlobj[hlset].type == "word"){
  161.               hlkeywords = "\\b" + hlkeywords.replace(/\|/g, "\\b|\\b") + "\\b";
  162.             }
  163.           }
  164.           //console.log("hlset:"+hlset+"\nhlkeywords:"+hlkeywords);
  165.           var pat = new RegExp('(' + hlkeywords + ')', 'gi');
  166.           var span = document.createElement('thdfrag');
  167.           span.setAttribute("thdcontain","true");
  168.           // getting all text nodes with a few exceptions
  169.           if (hlprecode){
  170.             var snapElements = document.evaluate(
  171.                 './/text()[normalize-space() != "" ' +
  172.                 'and not(ancestor::style) ' +
  173.                 'and not(ancestor::script) ' +
  174.                 'and not(ancestor::textarea) ' +
  175.                 'and not(ancestor::div[@id="thdtopbar"]) ' +
  176.                 'and not(ancestor::div[@id="kwhiedit"]) ' +
  177.                 'and not(parent::thdfrag[@txhidy15])]',
  178.                 el, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
  179.           } else {
  180.             var snapElements = document.evaluate(
  181.                 './/text()[normalize-space() != "" ' +
  182.                 'and not(ancestor::style) ' +
  183.                 'and not(ancestor::script) ' +
  184.                 'and not(ancestor::textarea) ' +
  185.                 'and not(ancestor::pre) ' +
  186.                 'and not(ancestor::code) ' +
  187.                 'and not(ancestor::div[@id="thdtopbar"]) ' +
  188.                 'and not(ancestor::div[@id="kwhiedit"]) ' +
  189.                 'and not(parent::thdfrag[@txhidy15])]',
  190.                 el, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
  191.           }
  192.  
  193.           if (!snapElements.snapshotItem(0)) { break; }
  194.  
  195.           for (var i = 0, len = snapElements.snapshotLength; i < len; i++) {
  196.             var node = snapElements.snapshotItem(i);
  197.             // check if it contains the keywords
  198.             if (pat.test(node.nodeValue)) {
  199.               // create an element, replace the text node with an element
  200.               var sp = span.cloneNode(true);
  201.               sp.innerHTML = node.nodeValue.replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(pat, '<thdfrag class="THmo '+hlset+'" txhidy15="'+hlset+'">$1</thdfrag>');
  202.               node.parentNode.replaceChild(sp, node);
  203.               // try to un-nest containers
  204.               if (sp.parentNode.hasAttribute("thdcontain")) sp.outerHTML = sp.innerHTML;
  205.             }
  206.           }
  207.         }
  208.       }
  209.     }
  210.   }
  211.   // first run
  212.   THmo_doHighlight(document.body,null);
  213.   
  214.   // Add MutationObserver to catch content added dynamically
  215.   var THmo_MutOb = (window.MutationObserver) ? window.MutationObserver : window.WebKitMutationObserver;
  216.   if (THmo_MutOb){
  217.     var THmo_chgMon = new THmo_MutOb(function(mutationSet){
  218.       mutationSet.forEach(function(mutation){
  219.         for (var i=0; i<mutation.addedNodes.length; i++){
  220.           if (mutation.addedNodes[i].nodeType == 1){
  221.             THmo_doHighlight(mutation.addedNodes[i],null);
  222.           }
  223.         }
  224.       });
  225.     });
  226.     // attach chgMon to document.body
  227.     var opts = {childList: true, subtree: true};
  228.     THmo_chgMon.observe(document.body, opts);
  229.   }
  230.  
  231.   // Set up top highlight/seek bar
  232.   var kwhibar = document.createElement("div");
  233.   kwhibar.id = "thdtopbar";
  234.   if (hlbtnvis == "on") var btnchk = " checked=\"checked\"";
  235.   if (hlprecode) var btnprecode = " checked=\"checked\"";
  236.   else var btnchk = "";
  237.   kwhibar.innerHTML = "<form id=\"thdtopform\" onsubmit=\"return false\"><p id=\"thdtopbarhome\"><a href=\"" + script_about + "\" target=\"_blank\" title=\"Go to script install page\">JS</a></p>" +
  238.     "<div id=\"thdtopcurrent\"><p id=\"thdtopkeywords\" title=\"Click to View, Edit, Seek, or Add Keywords\">Click here to manage keyword/highlight sets</p>" +
  239.     "<div id=\"thdtopdrop\" style=\"display:none;\"><div id=\"thdtable\"><table cellspacing=\"0\"><tbody id=\"kwhitbod\"></tbody></table></div><p><button id=\"btnkwhiadd\">Add New Set</button>" +
  240.     "<span style=\"float:right\"><button id=\"btnkwhiexport\">Export Sets</button> [?Import?] <button class=\"btnkwhiclose\" onclick=\"document.getElementById('thdtopdrop').style.display='none';return false;\">X</button></span></p></div></div>" +
  241.     "<div id=\"thdtopfindbuttons\"><button title=\"First match\" thdaction=\"f\"><b>l</b>&#x25c0;</button> <button title=\"Previous match\" thdaction=\"p\">&#x25c0;</button> <span id=\"thdseekdesc\">Seek</span> <button title=\"Next match\" thdaction=\"n\">&#x25b6;</button> <button title=\"Last match\" thdaction=\"l\">&#x25b6;<b>l</b></button><div id=\"thdseekfail\"></div></div>" +
  242.     "<div id=\"thdtopoptions\"><div>Options</div><ul><li><label title=\"Float a button in the upper right corner of the document to quickly access this panel\"><input type=\"checkbox\" id=\"chkhbtn\"" + btnchk +
  243.     "> Show H button</label></li><li><label title=\"Highlight matches in &lt;pre&gt; and &lt;code&gt; tags\"><input type=\"checkbox\" id=\"chkprecode\"" + btnprecode +
  244.     "> Match in pre/code</label></li></ul></div>" +
  245.     "<button class=\"btnkwhiclose\" onclick=\"document.getElementById('thdtopbar').style.display='none';document.getElementById('thdtopspacer').style.display='none';return false;\" style=\"float:right\">X</button></form>" +
  246.     "<style type=\"text/css\">#thdtopbar{position:fixed;top:0;left:0;height:26px;width:100%;padding:0;color:#024;background:#ddd;font-family:sans-serif;font-size:16px;line-height:16px;border-bottom:1px solid #024;z-index:2500;display:none} " +
  247.     "#thdtopbar,#thdtopbar *{box-sizing:content-box;} #thdtopform{display:block;position:relative;float:left;width:100%;margin:0;border:none;} " +
  248.     "#thdtopbarhome,#thdtopcurrent,#thdtopfindbuttons,#thdtopoptions{float:left;top:0;left:0;margin:0;padding:5px 8px 4px;border-right:1px solid #fff;font-size:16px;} " +
  249.     "#thdtopbarhome{width:22px;text-align:center;overflow:hidden;} #thdtopbarhome a{display:block;} #thdtopbarhome img{display:block;border:none;border-radius:3px;padding:3px;margin:-3px 0 -4px 0;background-color:#fff} " +
  250.     "#thdtopfindbuttons{padding-bottom:1px;position:relative} #thdtopfindbuttons button{margin:-5px 0 -2px 0;width:36px;height:22px;color:#024;background:#f0f0f0;border:1px solid #024;border-radius:4px;padding:1px 3px;} " +
  251.     "#thdtopfindbuttons button:hover{background:#ffa;} #thdseekdesc{cursor:pointer} #thdtopkeywords{margin:0;width:500px;cursor:pointer;} " +
  252.     "#thdseekfail{display:none;position:absolute;top:30px;left:15px;z-index:2001;width:200px;color:#f8f8f8;background:#b00;border-radius:6px;text-align:center;font-size:12px;padding:3px}" +
  253.     "#thdtopkeywords span{display:inline-block;width:100%;overflow:hidden;text-overflow:ellipsis;} #thdtable{max-height:600px;overflow-y:auto;overflow-x:hidden} " +
  254.     "#thdtopdrop{position:absolute;top:26px;left:38px;width:500px;margin:0 -1px 0 -1px;padding:0 8px 8px 8px;background:#ddd;border:1px solid #024;border-top:none;border-radius:0 0 6px 6px;} " +
  255.     "#thdtopdrop table{width:100%;background:#fff;border-top:1px solid #000;border-left:1px solid #000;table-layout:fixed} " +
  256.     "#thdtopdrop td{padding:4px 4px; vertical-align:top;border-right:1px solid #000;border-bottom:1px solid #000;} #thdtopdrop td div{word-wrap:break-word} #thdtopdrop p{margin-top:8px;margin-bottom:0;} " +
  257.     "#thdtopoptions{position:relative;width:160px;height:26px;padding:0 8px;} #thdtopoptions > div{padding:5px 0 4px;} " +
  258.     "#thdtopoptions ul{position:absolute;top:26px;left:0;width:160px;margin:0 -1px 0 -1px;padding:0 8px 8px 8px;background:#ddd;border:1px solid #024;border-top:none;border-radius:0 0 6px 6px;list-style:none;} " +
  259.     "#thdtopoptions li{width:100%;float:left;padding:2px 0;} #thdtopoptions ul{display:none;} #thdtopoptions:hover ul{display: block;border:1px solid #024;border-top:none;} #thdtopoptions li:hover{background:#eee;}" +
  260.     ".btnkwhiclose{float:right;font-size:11px;margin-top:2px;} .thdtype{color:#ccc;float:right;font-size:12px;padding-top:8px;} #thdtopbar label{font-weight:normal;display:inline;margin:0}</style>";
  261.   document.body.appendChild(kwhibar);
  262.   // Attach event handlers
  263.   document.getElementById("thdtopkeywords").addEventListener("click",thddroptoggle,false);
  264.   document.getElementById("kwhitbod").addEventListener("click",kwhiformevent,false);
  265.   document.getElementById("btnkwhiadd").addEventListener("click",kwhinewset,false);
  266.   document.getElementById("btnkwhiexport").addEventListener("click",kwhiexport,false);
  267.   document.getElementById("thdtopfindbuttons").addEventListener("click",thdseek,false);
  268.   document.getElementById("chkhbtn").addEventListener("click",kwhihbtn,false);
  269.   document.getElementById("chkprecode").addEventListener("click",kwhiprecode,false);
  270.   // Add spacer at top of body
  271.   var divsp = document.createElement("div");
  272.   divsp.id = "thdtopspacer";
  273.   divsp.setAttribute("style","clear:both;display:none");
  274.   divsp.style.height = parseInt(27 - parseInt(window.getComputedStyle(document.body,null).getPropertyValue("margin-top"))) + "px";
  275.   document.body.insertBefore(divsp, document.body.childNodes[0]);
  276.   // Switch JS text to icon
  277.   var JSBTN = document.createElement("img");
  278.   JSBTN.src = GM_getResourceURL("mycon");
  279.   document.querySelector("#thdtopbar a").textContent = "";
  280.   document.querySelector("#thdtopbar a").appendChild(JSBTN);
  281.   // Add menu item
  282.   GM_registerMenuCommand("Show Text Highlighter Bar - View, Edit, Add Keywords and Styles", editKW);
  283.   // Inject H button
  284.   if (hlbtnvis == "off") var hbtndisp = ' style="display:none"';
  285.   else hbtndisp = '';
  286.   var dNew = document.createElement("div");
  287.   dNew.innerHTML = '<button id="btnshowkwhi"' + hbtndisp + '>H</button><style type="text/css">#btnshowkwhi{position:fixed;top:4px;right:4px;opacity:0.2;' +
  288.     'color:#000;background-color:#ffa;font-weight:bold;font-size:12px;border:1px solid #ccc;border-radius:4px;padding:2px 3px;z-index:1999;min-width:22px;min-height:22px}' +
  289.     '#btnshowkwhi:hover{opacity:0.8}@media print{#btnshowkwhi{display:none;}}</style>';
  290.   document.body.appendChild(dNew);
  291.   document.getElementById("btnshowkwhi").addEventListener("click",editKW,false);
  292.   
  293.   function editKW(e){
  294.     refreshSetList();
  295.     // show form
  296.     document.getElementById("thdtopbar").style.display = "block";
  297.     document.getElementById("thdtopspacer").style.display = "block";
  298.   }
  299.   function thdDropSetList(e){
  300.     refreshSetList();
  301.     document.getElementById("thdtopdrop").style.display = "block";
  302.   }
  303.   function thddroptoggle(e){
  304.     if (document.getElementById("thdtopdrop").style.display == "none") thdDropSetList();
  305.     else document.getElementById("thdtopdrop").style.display = "none";
  306.   }
  307.   function refreshSetList(e){
  308.     // clear old rows from form
  309.     document.getElementById("kwhitbod").innerHTML = "";
  310.     // populate data - hlobj is global
  311.     for (var j = 0; j < hlkeys.length; ++j){
  312.       var hlset = hlkeys[j];
  313.       if (hlobj[hlset].visible == "true"){
  314.         if (hlobj[hlset].enabled == "true") var strchk = ' checked=\"checked\"';
  315.         else var strchk = '';
  316.         var newrow = document.createElement("tr");
  317.         var thdtypenote = '';
  318.         newrow.setAttribute("kwhiset", hlset);
  319.         if(hlobj[hlset].type != "string"){
  320.           thdtypenote = '<span class="thdtype">' + hlobj[hlset].type + '</span>';
  321.         } 
  322.         if (j == 0){
  323.           newrow.innerHTML = '<td style=\"width:286px\"><div class=\"' + hlset + '\">' + hlobj[hlset].keywords + '</div>' + thdtypenote + '</td>' +
  324.             '<td style=\"width:195px\"><button kwhiset=\"' + hlset + '\" title=\"Bring matches into view\">Seek</button> ' +
  325.             '<button kwhiset=\"' + hlset + '\">Edit</button> <label><input type=\"checkbox\" kwhiset=\"' + hlset + 
  326.             '\"' + strchk + '"> Enabled </label></td>';
  327.         } else {
  328.           newrow.innerHTML = '<td><div class=\"' + hlset + '\">' + hlobj[hlset].keywords + '</div>' + thdtypenote + '</td>' +
  329.             '<td><button kwhiset=\"' + hlset + '\" title=\"Bring matches into view\">Seek</button> ' +
  330.             '<button kwhiset=\"' + hlset + '\">Edit</button> <label><input type=\"checkbox\" kwhiset=\"' + hlset + 
  331.             '\"' + strchk + '"> Enabled </label></td>';
  332.         }
  333.         document.getElementById("kwhitbod").appendChild(newrow);
  334.       }
  335.     }
  336.   }
  337.   
  338.   function kwhiformevent(e){
  339.     if (e.target.nodeName == "INPUT"){ // Enabled checkbox
  340.       var hlsetnum = e.target.getAttribute("kwhiset");
  341.       kwhienabledisable(hlsetnum, e.target.checked);
  342.     } 
  343.     if (e.target.nodeName == "BUTTON"){ // Call up edit form or find bar
  344.       var hlset = e.target.getAttribute('kwhiset');
  345.       if (e.target.textContent == "Edit"){
  346.         // set set number attribute
  347.         document.querySelector('#kwhiedit tr').setAttribute('kwhiset', hlset);
  348.         // set class for keywords
  349.         document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').className = hlset;
  350.         // enter placeholder text & type
  351.         document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').textContent = hlobj[hlset].keywords;
  352.         document.getElementById("kwhipattype").selectedIndex = 0;
  353.         if (hlobj[hlset].type == "word") document.getElementById("kwhipattype").selectedIndex = 1;
  354.         if (hlobj[hlset].type == "regex") document.getElementById("kwhipattype").selectedIndex = 2;
  355.         // set style editing to default and override with set rules
  356.         kwhieditstyle = ["rgb(0,0,255)","rgb(255,255,0)","inherit",""]; // defaults
  357.         if (hlobj[hlset].textcolor.length > 0) kwhieditstyle[0] = hlobj[hlset].textcolor;
  358.         if (hlobj[hlset].backcolor.length > 0) kwhieditstyle[1] = hlobj[hlset].backcolor;
  359.         if (hlobj[hlset].fontweight.length > 0) kwhieditstyle[2] = hlobj[hlset].fontweight;
  360.         if (hlobj[hlset].custom.length > 0) kwhieditstyle[3] = hlobj[hlset].custom;
  361.         kwhiShowEditForm();
  362.       }
  363.       if (e.target.textContent == "Seek"){
  364.         // Populate current seek set to #thdtopkeywords
  365.         var divDataTD = e.target.parentNode.previousElementSibling;
  366.         document.getElementById("thdtopkeywords").innerHTML = "<i>Seeking:</i> " + divDataTD.firstChild.outerHTML;
  367.         // Store set to seek in #thdtopfindbuttons
  368.         document.getElementById("thdtopfindbuttons").setAttribute("thdseek", hlset);
  369.         // Close Keyword Sets form
  370.         document.getElementById('thdtopdrop').style.display='none';
  371.         // Send click event to the "seek first" button
  372.         document.getElementById('thdtopfindbuttons').children[0].click();
  373.       }
  374.     }
  375.   }
  376.   function kwhienabledisable(hlsetnum,enable){
  377.     if (enable == false) {
  378.       // Update object and persist to GM storage
  379.       hlobj[hlsetnum].enabled = "false";
  380.       hljson = JSON.stringify(hlobj);
  381.       GM_setValue("kwstyles",hljson);
  382.       // Unhighlight
  383.       unhighlight(hlsetnum);
  384.       // Clear seek info from bar if this set is there
  385.       var seekset = document.getElementById("thdtopfindbuttons").getAttribute("thdseek");
  386.       if (seekset){
  387.         if(seekset.indexOf("|") > -1) seekset = seekset.split("|")[0];
  388.         if (hlsetnum == seekset){
  389.           document.getElementById("thdtopfindbuttons").setAttribute("thdseek","");
  390.           document.getElementById("thdseekdesc").textContent = "Seek";
  391.           document.getElementById("thdtopkeywords").innerHTML = "Click here to manage keyword/highlight sets";
  392.         }
  393.       } 
  394.     } else {
  395.       // Update object and persist to GM storage
  396.       hlobj[hlsetnum].enabled = "true";
  397.       hljson = JSON.stringify(hlobj);
  398.       GM_setValue("kwstyles",hljson);
  399.       // Highlight
  400.       THmo_doHighlight(document.body,[hlsetnum]);
  401.     }
  402.   }
  403.   function kwhinewset(e,kwtext){ // call up new set form
  404.     // set set number attribute
  405.     document.querySelector('#kwhiedit tr').setAttribute('kwhiset', 'new');
  406.     // clear class for keywords
  407.     document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').className = "";
  408.     // enter placeholder text & default type
  409.     if (kwtext) document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').textContent = kwtext;
  410.     else document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').textContent = "larry|moe|curly";
  411.     document.getElementById("kwhipattype").selectedIndex = 0;
  412.     // set style editing to defaults
  413.     kwhieditstyle = ["rgb(0,0,255)","rgb(255,255,0)","inherit",""];
  414.     kwhiShowEditForm();
  415.   }
  416.   function kwhiShowEditForm(){
  417.     var rule = "#stylecontrols>p>span{";
  418.     if (kwhieditstyle[0].length > 0) rule += "color:"+kwhieditstyle[0]+";";
  419.     if (kwhieditstyle[1].length > 0) rule += "background-color:"+kwhieditstyle[1]+";";
  420.     if (kwhieditstyle[2].length > 0) rule += "font-weight:"+kwhieditstyle[2]+";";
  421.     if (kwhieditstyle[3].length > 0) rule += kwhieditstyle[3]+";";
  422.     document.getElementById("kwhiedittemp").innerHTML = rule + "}";
  423.     populateRGB("txt",kwhieditstyle[0]);
  424.     populateRGB("bkg",kwhieditstyle[1]);
  425.     document.getElementById("fwsel").value = kwhieditstyle[2];
  426.     document.getElementById("kwhicustom").value = kwhieditstyle[3];
  427.     // show form
  428.     document.getElementById("kwhiedit").style.display = "block";
  429.   }
  430.   function kwhiexport(e){
  431.     prompt("JSON data\nPress Ctrl+c or right-click to copy\n ", JSON.stringify(hlobj));
  432.   }
  433.   function kwhihbtn(e){
  434.     if (e.target.checked == false){
  435.       hlbtnvis = "off";
  436.       GM_setValue("hlbtnvis",hlbtnvis);
  437.       document.getElementById("btnshowkwhi").style.display = "none";
  438.     } else {
  439.       hlbtnvis = "on";
  440.       GM_setValue("hlbtnvis",hlbtnvis);
  441.       document.getElementById("btnshowkwhi").style.display = "";
  442.     }
  443.   }
  444.   function kwhiprecode(e){
  445.     if (e.target.checked == false){
  446.       // Update var, persist the preference, unhighlight, rehighlight
  447.       hlprecode = false;
  448.       GM_setValue("hlprecode",hlprecode);
  449.       unhighlight(null);
  450.       THmo_doHighlight(document.body);
  451.     } else {
  452.       // Update var, persist the preference, rehighlight
  453.       hlprecode = true;
  454.       GM_setValue("hlprecode",hlprecode);
  455.       THmo_doHighlight(document.body);
  456.     }
  457.   }
  458.   function thdseek(e){
  459.     if (e.target.nodeName == "DIV") return; // ignore background clicks
  460.     var seekset = e.currentTarget.getAttribute("thdseek");
  461.     if (!seekset){ // user needs to select a set to seek in
  462.       thdDropSetList();
  463.     } else {
  464.       var seekparams = seekset.split("|");
  465.       var seekmatches = document.querySelectorAll('thdfrag[txhidy15="'+seekparams[0]+'"]');
  466.       // Update or add total size of set; FIGURE OUT LATER: what if this changed??
  467.       seekparams[1] = seekmatches.length;
  468.       if (seekmatches.length > 0){
  469.         if (e.target.nodeName == "THDFRAG"){ // re-scroll to the current reference
  470.           thdshow(seekmatches[parseInt(seekparams[2])]);
  471.         } else { // BUTTON
  472.           var seekaction = e.target.getAttribute("thdaction");
  473.           if (!seekaction) seekaction = "f";
  474.           if (seekparams.length == 3){ // User has seeked in this set
  475.             switch (seekaction){
  476.               case "f":
  477.                 seekparams[2] = 0;
  478.                 var rtn = thdshow(seekmatches[parseInt(seekparams[2])]);
  479.                 if (rtn == false) seekagain("n");
  480.                 break;
  481.               case "p":
  482.                 if (parseInt(seekparams[2]) > 0) {
  483.                   seekparams[2] = parseInt(seekparams[2]) - 1;
  484.                   var rtn = thdshow(seekmatches[parseInt(seekparams[2])]);
  485.                   if (rtn == false){
  486.                     if (parseInt(seekparams[2]) > 0) seekagain("p");
  487.                     else seekfailnotc("No previous match visible");
  488.                   } 
  489.                 } else {
  490.                   seekfailnotc("Already reached first match");
  491.                 }
  492.                 break;
  493.               case "n":
  494.                 if (parseInt(seekparams[2]) < (seekmatches.length-1)) {
  495.                   seekparams[2] = parseInt(seekparams[2]) + 1;
  496.                   var rtn = thdshow(seekmatches[parseInt(seekparams[2])]);
  497.                   if (rtn == false){
  498.                     if (parseInt(seekparams[2]) < (seekmatches.length-1)) seekagain("n");
  499.                     else seekfailnotc("No later match visible");
  500.                   } 
  501.                 } else {
  502.                   seekparams[2] = (seekmatches.length-1); // in case it's too high, fix that here
  503.                   seekfailnotc("Already reached last match");
  504.                 }
  505.                 break;
  506.               case "l":
  507.                 seekparams[2] = (seekmatches.length-1);
  508.                 var rtn = thdshow(seekmatches[parseInt(seekparams[2])]);
  509.                 if (rtn == false) seekagain("p");
  510.                 break;
  511.             }
  512.           } else {
  513.             seekparams[2] = 0;
  514.             thdshow(seekmatches[parseInt(seekparams[2])]);
  515.           }
  516.           document.getElementById("thdtopfindbuttons").setAttribute("thdseek", seekparams.join("|"));
  517.           document.getElementById("thdseekdesc").textContent = (parseInt(seekparams[2])+1) + " of " + seekparams[1];
  518.         }
  519.       } else {
  520.         document.getElementById("thdseekdesc").textContent = "0 of 0";
  521.       }
  522.     }
  523.   }
  524.   function thdshow(elt){ // this could be much prettier with animation!
  525.     elt.scrollIntoView();
  526.     var rect = elt.getClientRects()[0];
  527.     if (rect){ // scroll down if behind the control bar
  528.       if (rect.top < 27) window.scroll(0, window.scrollY-27);
  529.       return true;
  530.     } else { // match is not visible
  531.       return false;
  532.     }
  533.   }
  534.   function seekagain(dir){
  535.     switch (dir){
  536.       case "p":
  537.         seekfailnotc("Hidden, trying previous match...");
  538.         window.setTimeout(function(){document.querySelector('button[thdaction="p"]').click();},250);
  539.         break;
  540.       case "n":
  541.         seekfailnotc("Hidden, trying next match...");
  542.         window.setTimeout(function(){document.querySelector('button[thdaction="n"]').click();},250);
  543.         break;
  544.     }
  545.   }
  546.   var evttimer;
  547.   function seekfailnotc(txt){
  548.     var sfdiv = document.getElementById("thdseekfail");
  549.     sfdiv.textContent = txt;
  550.     sfdiv.style.display = "block";
  551.     if (evttimer) window.clearTimeout(evttimer);
  552.     evttimer = window.setTimeout(function(){document.getElementById("thdseekfail").style.display="none";}, 800);
  553.   }
  554.   function unhighlight(setnum){
  555.     if (setnum) var tgts = document.querySelectorAll('thdfrag[txhidy15="' + setnum + '"]');
  556.     else var tgts = document.querySelectorAll('thdfrag[txhidy15]'); // remove ALL
  557.     for (var i=0; i<tgts.length; i++){
  558.       // Check for co-extant parent(s) to remove potentially stranded <span>s
  559.       var parnode = tgts[i].parentNode, parpar = parnode.parentNode, tgtspan;
  560.       if (parnode.hasAttribute("thdcontain") && parnode.innerHTML == tgts[i].outerHTML){
  561.         parnode.outerHTML = tgts[i].textContent.replace(/</g, '&lt;').replace(/>/g, '&gt;');
  562.         tgtspan = parpar;
  563.       } else {
  564.         tgts[i].outerHTML = tgts[i].textContent.replace(/</g, '&lt;').replace(/>/g, '&gt;');
  565.         tgtspan = parnode;
  566.       }
  567.       tgtspan.normalize();
  568.       if (tgtspan.hasAttribute("thdcontain")){
  569.         parnode = tgtspan.parentNode;
  570.         if (parnode){
  571.           if (parnode.hasAttribute("thdcontain") && parnode.innerHTML == tgtspan.outerHTML && tgtspan.querySelectorAll('thdfrag[txhidy15]').length == 0){
  572.             parnode.outerHTML = tgtspan.innerHTML;
  573.           } else if (parnode.innerHTML == tgtspan.outerHTML && tgtspan.querySelectorAll('thdfrag[txhidy15]').length == 0) {
  574.             parnode.innerHTML = tgtspan.innerHTML;
  575.           }
  576.         }
  577.       }
  578.     }
  579.   }
  580.   
  581.   // Set up add/edit form
  582.   var kwhied = document.createElement("div");
  583.   kwhied.id = "kwhiedit";
  584.   kwhied.innerHTML = "<form onsubmit=\"return false;\"><p style=\"margin-top:0\"><b>Edit/Add Keywords/Highlighting</b>" +
  585.     "<button class=\"btnkwhiclose\" onclick=\"document.getElementById('kwhiedit').style.display='none'; return false;\">X</button>" +
  586.     "</p><p>List longer forms of a word first to match both in full. Example: \"children|child\" will highlight both, but \"child|children\" " +
  587.     "will only highlight child, it won't expand the selection to children.</p>" +
  588.     "<table cellspacing=\"0\" style=\"table-layout:fixed\"><tbody><tr kwhiset=\"new\"><td style=\"width:45%\">" +
  589.     "<p contenteditable=\"true\" style=\"border:1px dotted #000;word-wrap:break-word;display:block!important\" class=\"\">placeholder</p>" +
  590.     "<p style=\"margin-top:2em\">Match type: <select id=\"kwhipattype\"><option value=\"string\" selected>Anywhere in a word</option>" +
  591.     "<option value=\"word\">\"Whole\" words only</option><option value=\"regex\">Regular Expression (advanced)</option></select></p></td>" +
  592.     "<td style=\"width:55%\" id=\"stylecontrols\"><p><span>Text color:</span> R:<input id=\"txtr\" type=\"number\" min=\"0\" max=\"255\" step=\"1\" " +
  593.     "style=\"width:4em\" value=\"0\"> G:<input id=\"txtg\" type=\"number\" min=\"0\" max=\"255\" step=\"1\" " +
  594.     "style=\"width:4em\" value=\"0\"> B:<input id=\"txtb\" type=\"number\" min=\"0\" max=\"255\" step=\"1\" " +
  595.     "style=\"width:4em\" value=\"0\"> <button id=\"btntxtreset\">Reset</button></p><p><span>Background:</span> R:<input id=\"bkgr\" " +
  596.     "type=\"number\" min=\"0\" max=\"255\" step=\"1\" style=\"width:4em\" value=\"255\"> G:<input id=\"bkgg\" " +
  597.     "type=\"number\" min=\"0\" max=\"255\" step=\"1\" style=\"width:4em\" value=\"255\"> B:<input id=\"bkgb\" " +
  598.     "type=\"number\" min=\"0\" max=\"255\" step=\"1\" style=\"width:4em\" value=\"128\"> <button id=\"btnbkgreset\">Reset</button>" +
  599.     "</p><p><span>Font-weight:</span> <select id=\"fwsel\"><option value=\"inherit\" selected>inherit</option>" +
  600.     "<option value=\"bold\"><b>bold</b></option><option value=\"normal\">not bold</option></select></p><p><span>Custom:</span> <input type=\"text\" " +
  601.     "id=\"kwhicustom\" style=\"width:55%\"> <button id=\"kwhicustomapply\">Apply</button></p></td></tr></tbody></table>" +
  602.     "<p><button id=\"btnkwhisave\">Save Changes</button> <button id=\"btnkwhicancel\">Discard Changes</button> <button id=\"btnkwhiremove\">Hide Set</button></p></form><style type=\"text/css\">" +
  603.     "#kwhiedit{position:fixed;top:1px;left:150px;width:800px;height:400px;border:1px solid #000;border-radius:6px;padding:1em;color:#000;" +
  604.     "background:#fafafa;z-index:2501;display:none} #kwhiedit table{width:100%;background:#fff;border-top:1px solid #000;" +
  605.     "border-left:1px solid #000;} #kwhiedit td{padding:0 16px; vertical-align:top;border-right:1px solid #000;border-bottom:1px solid #000;}" +
  606.     "#stylecontrols>p>span{display:inline-block;width:6.5em;}</style><style type=\"text/css\" id=\"kwhiedittemp\"></style></div>";
  607.   document.body.appendChild(kwhied);
  608.   // Attach event handlers
  609.   document.getElementById("btnkwhisave").addEventListener("click",kwhisavechg,false);
  610.   document.getElementById("btnkwhicancel").addEventListener("click",kwhicancel,false);
  611.   document.getElementById("btnkwhiremove").addEventListener("click",kwhiremove,false);
  612.   document.getElementById("stylecontrols").addEventListener("input", updatestyle, false);
  613.   document.getElementById("btntxtreset").addEventListener("click",kwhicolorreset,false);
  614.   document.getElementById("btnbkgreset").addEventListener("click",kwhicolorreset,false);
  615.   document.getElementById("fwsel").addEventListener("change",kwhifwchg,false);
  616.   document.getElementById("kwhicustomapply").addEventListener("click",kwhicustom,false);
  617.  
  618.   function kwhisavechg(e){
  619.     // Update object, regenerate CSS if applicable, apply to document
  620.     var hlset = document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').className;
  621.     var kwtext = document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').textContent;
  622.     if (hlset == ""){ 
  623.       // create a new set number
  624.       var hlset = "set" + hlnextset;
  625.       hlnextset += 1;
  626.       GM_setValue("hlnextset",hlnextset);
  627.       // add the set
  628.       if (document.getElementById("kwhipattype").value == "regex") kwtext = kwtext.replace(/\\/g, "\\");
  629.       hlobj[hlset] = {
  630.         keywords : kwtext,
  631.         type: document.getElementById("kwhipattype").value,
  632.         textcolor : kwhieditstyle[0],
  633.         backcolor : kwhieditstyle[1],
  634.         fontweight : kwhieditstyle[2],
  635.         custom : kwhieditstyle[3],
  636.         enabled : "true",
  637.         visible : "true",
  638.         updated : ""
  639.       }
  640.       // Update the global key array
  641.       hlkeys = Object.keys(hlobj);
  642.     } else {
  643.       hlobj[hlset].type = document.getElementById("kwhipattype").value;
  644.       // Save keyword changes after user confirmation
  645.       if (kwtext != hlobj[hlset].keywords){
  646.         if (confirm("Save updated keywords (and other changes)?")){
  647.           if (hlobj[hlset].type != "regex") hlobj[hlset].keywords = kwtext;
  648.           else hlobj[hlset].keywords = kwtext.replace(/\\/g, "\\");
  649.         } else return;
  650.       }
  651.       // Save style changes without confirmation
  652.       hlobj[hlset].textcolor = kwhieditstyle[0];
  653.       hlobj[hlset].backcolor = kwhieditstyle[1];
  654.       hlobj[hlset].fontweight = kwhieditstyle[2];
  655.       hlobj[hlset].custom = kwhieditstyle[3];
  656.       // Set updated date/time
  657.       hlobj[hlset].updated = (new Date()).toJSON();
  658.     }
  659.     // Persist the object
  660.     hljson = JSON.stringify(hlobj);
  661.     GM_setValue("kwstyles",hljson);
  662.     // Update CSS rule and parent form
  663.     insertCSS([hlset]);
  664.     refreshSetList();
  665.     // Unhighlight, re-highlight, close dialog
  666.     unhighlight(hlset);
  667.     THmo_doHighlight(document.body,[hlset])
  668.     document.getElementById('kwhiedit').style.display='none';
  669.   }
  670.   function kwhicancel(e){
  671.     // Close dialog (fields will be refresh if it is opened again)
  672.     document.getElementById('kwhiedit').style.display='none';
  673.   }
  674.   function kwhiremove(e){
  675.     var hlset = document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').className;
  676.     if (hlset == ""){
  677.       alert("This set has not been saved and therefore does not need to be hidden, you can just close the dialog to discard it.");
  678.     } else {
  679.       if (confirm("Are you sure you want to hide this set instead of editing it to your own liking?")){
  680.         hlobj[hlset].visible = "false";
  681.         hlobj[hlset].updated = (new Date()).toJSON();
  682.         // Persist the object
  683.         hljson = JSON.stringify(hlobj);
  684.         GM_setValue("kwstyles",hljson);
  685.         // Update set list, remove highlighting, close form
  686.         refreshSetList();
  687.         unhighlight(hlset);
  688.         document.getElementById('kwhiedit').style.display='none';
  689.       }
  690.     }
  691.   }
  692.   function kwhicolorreset(e){
  693.     // what set is this?
  694.     var set = document.querySelector('#kwhiedit tr').getAttribute('kwhiset');
  695.     // check which button, reset the RGB
  696.     if (e.target.id == "btntxtreset"){
  697.       if (set == "new"){
  698.         kwhieditstyle[0] = "rgb(0,0,255)";
  699.       } else {
  700.         kwhieditstyle[0] = hlobj[set].textcolor;
  701.       }
  702.       populateRGB("txt",kwhieditstyle[0]);
  703.       setdivstyle(["txt"]);
  704.     }
  705.     if (e.target.id == "btnbkgreset"){
  706.       if (set == "new"){
  707.         kwhieditstyle[1] = "rgb(255,255,0)";        
  708.       } else {
  709.         kwhieditstyle[1] = hlobj[set].backcolor;
  710.       }
  711.       populateRGB("bkg",kwhieditstyle[1]);
  712.       setdivstyle(["bkg"]);
  713.     }
  714.     e.target.blur();
  715.   }
  716.   function populateRGB(prop,stylestring){
  717.     var rgbvals = stylestring.substr(stylestring.indexOf("(")+1);
  718.     rgbvals = rgbvals.substr(0,rgbvals.length-1).split(",");
  719.     document.getElementById(prop+"r").value = parseInt(rgbvals[0]);
  720.     document.getElementById(prop+"g").value = parseInt(rgbvals[1]);
  721.     document.getElementById(prop+"b").value = parseInt(rgbvals[2]);
  722.   }
  723.   function updatestyle(e){
  724.     // validate value and apply change
  725.     if (e.target.id.indexOf("txt") == 0 || e.target.id.indexOf("bkg") == 0){
  726.       if (isNaN(e.target.value)){
  727.         alert("Please only use values between 0 and 255");
  728.         return;
  729.       }
  730.       if (parseInt(e.target.value) != e.target.value){
  731.         e.target.value = parseInt(e.target.value);
  732.       }
  733.       if (e.target.value < 0){
  734.         e.target.value = 0;
  735.       }
  736.       if (e.target.value > 255){
  737.         e.target.value = 255;
  738.       }
  739.       if (e.target.id.indexOf("txt") == 0) setdivstyle(["txt"]);
  740.       if (e.target.id.indexOf("bkg") == 0) setdivstyle(["bkg"]);
  741.     } else {
  742.       if (e.target.id == "kwhicustom") return;
  743.       console.log("updatestyle on "+e.target.id);
  744.     }
  745.   }
  746.   function setdivstyle(props){
  747.     for (var i=0; i<props.length; i++){
  748.       switch (props[i]){
  749.         case "txt":
  750.           kwhieditstyle[0] = "rgb(" + document.getElementById("txtr").value + "," +
  751.             document.getElementById("txtg").value + "," + document.getElementById("txtb").value + ")";
  752.           break;
  753.         case "bkg":
  754.           kwhieditstyle[1] = "rgb(" + document.getElementById("bkgr").value + "," +
  755.             document.getElementById("bkgg").value + "," + document.getElementById("bkgb").value + ")";
  756.           break;
  757.         default:
  758.           console.log("default?");
  759.       }
  760.     }
  761.     var rule = "#stylecontrols>p>span{";
  762.     if (kwhieditstyle[0].length > 0) rule += "color:"+kwhieditstyle[0]+";";
  763.     if (kwhieditstyle[1].length > 0) rule += "background-color:"+kwhieditstyle[1]+";";
  764.     if (kwhieditstyle[2].length > 0) rule += "font-weight:"+kwhieditstyle[2]+";";
  765.     if (kwhieditstyle[3].length > 0) rule += kwhieditstyle[3]+";";
  766.     document.getElementById("kwhiedittemp").innerHTML = rule + "}";
  767.   }
  768.   function kwhifwchg(e){
  769.     kwhieditstyle[2] = e.target.value;
  770.     setdivstyle([]);
  771.   }
  772.   function kwhicustom(e){
  773.     kwhieditstyle[3] = document.getElementById("kwhicustom").value;
  774.     setdivstyle([]);
  775.   }
  776.   
  777.   // Context menu options -- do not replace any existing menu!
  778.   if (!document.body.hasAttribute("contextmenu") && "contextMenu" in document.documentElement){
  779.     var cmenu = document.createElement("menu");
  780.     cmenu.id = "THDcontext";
  781.     cmenu.setAttribute("type", "context");
  782.     cmenu.innerHTML = '<menu label="Text Highlighter">' +
  783.       '<menuitem id="THDshowbar" label="Show bar"></menuitem>' +
  784.       '<menuitem id="THDenableset" label="Enable matching set"></menuitem>' +
  785.       '<menuitem id="THDdisableset" label="Disable this set"></menuitem>' +
  786.       '<menuitem id="THDnewset" label="Add new set"></menuitem>' +
  787.       '</menu>';
  788.     document.body.appendChild(cmenu);
  789.     document.getElementById("THDshowbar").addEventListener("click",editKW,false);
  790.     document.getElementById("THDenableset").addEventListener("click",cmenuEnable,false);
  791.     document.getElementById("THDdisableset").addEventListener("click",cmenuDisable,false);
  792.     document.getElementById("THDnewset").addEventListener("click",cmenuNewset,false);
  793.     // attach menu and create event for filtering
  794.     document.body.setAttribute("contextmenu", "THDcontext");
  795.     document.body.addEventListener("contextmenu",cmenuFilter,false);
  796.   }
  797.   function cmenuFilter(e){
  798.     document.getElementById("THDenableset").setAttribute("disabled","disabled");
  799.     document.getElementById("THDenableset").setAttribute("THDtext","");
  800.     document.getElementById("THDdisableset").setAttribute("disabled","disabled");
  801.     document.getElementById("THDdisableset").setAttribute("THDset","");
  802.     var s = window.getSelection();
  803.     if (s.isCollapsed) document.getElementById("THDnewset").setAttribute("THDtext","");
  804.     else document.getElementById("THDnewset").setAttribute("THDtext",s.getRangeAt(0).toString().trim());
  805.     if (e.target.hasAttribute('txhidy15')){
  806.       document.getElementById("THDdisableset").removeAttribute("disabled");
  807.       document.getElementById("THDdisableset").setAttribute("THDset",e.target.getAttribute('txhidy15'));
  808.     } else {
  809.       document.getElementById("THDdisableset").setAttribute("disabled","disabled");
  810.       if (!s.isCollapsed){
  811.         document.getElementById("THDenableset").removeAttribute("disabled");
  812.         document.getElementById("THDenableset").setAttribute("THDtext",s.getRangeAt(0).toString().trim());
  813.       }
  814.     }
  815.   }
  816.   function cmenuEnable(e){
  817.     var kw = e.target.getAttribute("THDtext").toLowerCase();
  818.     var toggled = false;
  819.     for (var j = 0; j < hlkeys.length; ++j){
  820.       var hlset = hlkeys[j];
  821.       var kwlist = "|" + hlobj[hlset].keywords.toLowerCase() + "|";
  822.       if(kwlist.indexOf("|" + kw + "|") > -1){
  823.         if (hlobj[hlset].enabled == "true") break; // already enabled
  824.         kwhienabledisable(hlset,true);
  825.         refreshSetList();
  826.         toggled = true;
  827.         break;
  828.       }
  829.     }
  830.     if (toggled == false){
  831.       if (document.getElementById("thdtopbar").style.display != "block") editKW();
  832.       if (document.getElementById("thdtopdrop").style.display != "block") thdDropSetList();
  833.     }
  834.   }
  835.   function cmenuDisable(e){
  836.     kwhienabledisable(e.target.getAttribute("THDset"),false);
  837.     refreshSetList();
  838.   }
  839.   function cmenuNewset(e){
  840.     //TODO - if there's a selection, get it into the form
  841.     kwhinewset(e,e.target.getAttribute("THDtext"));
  842.   }
  843.  
  844.   // TESTING ONLY
  845.   function flushData(){
  846.     GM_setValue("kwstyles", "");
  847.   }
  848.   GM_registerMenuCommand("TEST ONLY - flush keyword sets for Text Highlighter", flushData);
  849.  
  850. })(); // end of anonymous function