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Text Highlight and Seek

Automatically highlight user-defined text with Seek function (2017-08-19)

当前为 2017-12-05 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name          Text Highlight and Seek
  3. // @author        erosman and Jefferson "jscher2000" Scher
  4. // @namespace     JeffersonScher
  5. // @version       2.2.0
  6. // @description   Automatically highlight user-defined text with Seek function (2017-08-19)
  7. // @include       https://greasyfork.org/*
  8. // @include       https://openuserjs.org/*
  9. // @grant         GM_registerMenuCommand
  10. // @grant         GM_setValue
  11. // @grant         GM_getValue
  12. // @grant         GM_getResourceURL
  13. // @copyright     Copyright 2017 Jefferson Scher. Portions created by erosman.
  14. // @license       BSD 3-clause
  15. // @resource      mycon http://www.jeffersonscher.com/gm/src/gfrk-THS-ver220.png
  16. // ==/UserScript==
  17. var script_about = "https://greasyfork.org/scripts/13007-text-highlight-and-seek";
  18.  
  19. /* --------- Note ---------
  20.   TO INCLUDE SITES (only Greasy Fork and OpenUserJS are initially included):
  21.  
  22.   Go to Add-ons - User Scripts (Ctrl+Shift+a/Cmd+Shift+a on Firefox Windows/Mac)
  23.   Click on the Script's Option
  24.   Under User Settings Tab, Add Included/Excluded Pages that you want the script to run on
  25.   Click OK
  26.  
  27.   Note from erosman: If you find that another script clashes with this script, set Text Highlight and Seek to Execute first.
  28.   Go to Add-ons - User Scripts ('Ctrl+ Shift + a' on Firefox)
  29.   Right Click on the Script
  30.   On the context menu click: Execute first
  31.  
  32.   On Add-ons - User Scripts, you can also Click on the Execution Order (top Right) and
  33.   change the execution order so that Text Highlight and Seek runs before those scripts that clashes with it.
  34. */
  35.  
  36. (function() { // anonymous function wrapper, used for error checking & limiting scope
  37.   'use strict';
  38.  
  39.   var hlframe = GM_getValue("hlframe"); // get iframe pref
  40.   if (!hlframe){
  41.     hlframe = "none";
  42.     GM_setValue("hlframe",hlframe);
  43.   }
  44.   
  45.   if ((window.self !== window.top) && (hlframe != "any")) { // framed page
  46.     if (hlframe == "none") return; 
  47.     if (hlframe == "same") {
  48.       console.log(window.self.location.hostname + " vs " + window.top.location.hostname);
  49.     }
  50.   }
  51.  
  52.   // sample keyword+style object to get started
  53.   var hlobjDefault = {
  54.     "set100" : {
  55.       keywords : "scripts|script",
  56.       type : "string",
  57.       hlpat : "",
  58.       textcolor : "rgb(0,0,0)",
  59.       backcolor : "rgb(255,255,128)",
  60.       fontweight : "inherit",
  61.       custom : "",
  62.       enabled : "true",
  63.       visible : "true",
  64.       updated : ""
  65.     },
  66.     "set099" : {
  67.       keywords : "site",
  68.       type : "word",
  69.       hlpat : "",
  70.       textcolor : "rgb(0,0,0)",
  71.       backcolor : "rgb(255,192,255)",
  72.       fontweight : "inherit",
  73.       custom : "",
  74.       enabled : "true",
  75.       visible : "true",
  76.       updated : ""
  77.     },
  78.     "set098" : {
  79.       keywords : "^October \\d{1,2}",
  80.       type : "regex",
  81.       hlpat : "",
  82.       textcolor : "rgb(0,0,0)",
  83.       backcolor : "rgb(192,255,255)",
  84.       fontweight : "inherit",
  85.       custom : "",
  86.       enabled : "true",
  87.       visible : "true",
  88.       updated : ""
  89.     }
  90.   };
  91.   var kwhieditstyle = ["rgb(0,0,255)","rgb(255,255,0)","inherit",""];
  92.  
  93.   // read pref storage: keyword-style sets
  94.   var hljson = GM_getValue("kwstyles");
  95.   if (!hljson || hljson.length == 0){
  96.     var hlobj = hlobjDefault;
  97.     // check for legacy preferences
  98.     var kwold = GM_getValue("keywords");
  99.     if (kwold) if(kwold.length > 0) {
  100.       hlobj.set100.keywords = kwold.split(',').join('|');
  101.     }
  102.     var hlold = GM_getValue("highlightStyle");
  103.     if (hlold) if(hlold.length > 0) {
  104.       // really should try to parse this, but for now...
  105.       hlobj.set100.custom = hlold;
  106.     }
  107.     // save starting values
  108.     hljson = JSON.stringify(hlobj);
  109.     GM_setValue("kwstyles",hljson);
  110.   } else {
  111.     var hlobj = JSON.parse(hljson);
  112.   }
  113.   // global keys array
  114.   var hlkeys = Object.keys(hlobj);
  115.  
  116.   // read/set other prefs
  117.   var hlbtnvis = GM_getValue("hlbtnvis");
  118.   if (!hlbtnvis){
  119.     hlbtnvis = "on";
  120.     GM_setValue("hlbtnvis",hlbtnvis);
  121.   }
  122.   var hlprecode = GM_getValue("hlprecode");
  123.   if (hlprecode == undefined){
  124.     hlprecode = true;
  125.     GM_setValue("hlprecode",hlprecode);
  126.   }
  127.   var hlnextset = GM_getValue("hlnextset");
  128.   if (!hlnextset){
  129.     hlnextset = 101;
  130.     GM_setValue("hlnextset",hlnextset);
  131.   }
  132.   
  133.   // Inject CSS
  134.   function insertCSS(setkeys){
  135.     for (var j = 0; j < setkeys.length; ++j){
  136.       var hlset = setkeys[j];
  137.       if (hlobj[hlset].visible == "true"){
  138.         var rule = "."+hlset+"{display:inline!important;";
  139.         if (hlobj[hlset].textcolor.length > 0) rule += "color:"+hlobj[hlset].textcolor+";";
  140.         if (hlobj[hlset].backcolor.length > 0) rule += "background-color:"+hlobj[hlset].backcolor+";";
  141.         if (hlobj[hlset].fontweight.length > 0) rule += "font-weight:"+hlobj[hlset].fontweight+";";
  142.         if (hlobj[hlset].custom.length > 0) rule += hlobj[hlset].custom+";";
  143.         rule += "}";
  144.         var setrule = document.querySelector('style[hlset="' + hlset +'"]');
  145.         if (!setrule){
  146.           var s = document.createElement("style");
  147.           s.type = "text/css";
  148.           s.setAttribute("hlset", hlset);
  149.           s.appendChild(document.createTextNode(rule));
  150.           document.body.appendChild(s);
  151.         } else {
  152.           setrule.innerHTML = rule;
  153.         }
  154.       }
  155.     }
  156.   }
  157.   insertCSS(hlkeys);
  158.  
  159.   // Main workhorse routine
  160.   function THmo_doHighlight(el,subset){
  161.     if (subset) var keyset = subset;
  162.     else var keyset = hlkeys;
  163.     for (var j = 0; j < keyset.length; ++j) {
  164.       var hlset = keyset[j];
  165.       if (hlobj[hlset].visible == "true" && hlobj[hlset].enabled == "true"){
  166.         var hlkeywords = hlobj[hlset].keywords;
  167.         if (hlkeywords.length > 0) {
  168.           if (hlobj[hlset].type != "regex"){
  169.             var rQuantifiers = /[-\/\\^$*+?.()[\]{}]/g;
  170.             hlkeywords = hlkeywords.replace(rQuantifiers, '\\$&');
  171.             if (hlobj[hlset].type == "word"){
  172.               hlkeywords = "\\b" + hlkeywords.replace(/\|/g, "\\b|\\b") + "\\b";
  173.             }
  174.           }
  175.           //console.log("hlset:"+hlset+"\nhlkeywords:"+hlkeywords);
  176.           var pat = new RegExp('(' + hlkeywords + ')', 'gi');
  177.           var span = document.createElement('thdfrag');
  178.           span.setAttribute("thdcontain","true");
  179.           // getting all text nodes with a few exceptions
  180.           if (hlprecode){
  181.             var snapElements = document.evaluate(
  182.                 './/text()[normalize-space() != "" ' +
  183.                 'and not(ancestor::style) ' +
  184.                 'and not(ancestor::script) ' +
  185.                 'and not(ancestor::textarea) ' +
  186.                 'and not(ancestor::div[@id="thdtopbar"]) ' +
  187.                 'and not(ancestor::div[@id="kwhiedit"]) ' +
  188.                 'and not(parent::thdfrag[@txhidy15])]',
  189.                 el, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
  190.           } else {
  191.             var snapElements = document.evaluate(
  192.                 './/text()[normalize-space() != "" ' +
  193.                 'and not(ancestor::style) ' +
  194.                 'and not(ancestor::script) ' +
  195.                 'and not(ancestor::textarea) ' +
  196.                 'and not(ancestor::pre) ' +
  197.                 'and not(ancestor::code) ' +
  198.                 'and not(ancestor::div[@id="thdtopbar"]) ' +
  199.                 'and not(ancestor::div[@id="kwhiedit"]) ' +
  200.                 'and not(parent::thdfrag[@txhidy15])]',
  201.                 el, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
  202.           }
  203.  
  204.           if (!snapElements.snapshotItem(0)) { break; }
  205.  
  206.           for (var i = 0, len = snapElements.snapshotLength; i < len; i++) {
  207.             var node = snapElements.snapshotItem(i);
  208.             // check if it contains the keywords
  209.             if (pat.test(node.nodeValue)) {
  210.               // create an element, replace the text node with an element
  211.               var sp = span.cloneNode(true);
  212.               sp.innerHTML = node.nodeValue.replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(pat, '<thdfrag class="THmo '+hlset+'" txhidy15="'+hlset+'">$1</thdfrag>');
  213.               node.parentNode.replaceChild(sp, node);
  214.               // try to un-nest containers
  215.               if (sp.parentNode.hasAttribute("thdcontain")) sp.outerHTML = sp.innerHTML;
  216.             }
  217.           }
  218.         }
  219.       }
  220.     }
  221.   }
  222.   // first run
  223.   THmo_doHighlight(document.body,null);
  224.   
  225.   // Add MutationObserver to catch content added dynamically
  226.   var THmo_MutOb = (window.MutationObserver) ? window.MutationObserver : window.WebKitMutationObserver;
  227.   if (THmo_MutOb){
  228.     var THmo_chgMon = new THmo_MutOb(function(mutationSet){
  229.       mutationSet.forEach(function(mutation){
  230.         for (var i=0; i<mutation.addedNodes.length; i++){
  231.           if (mutation.addedNodes[i].nodeType == 1){
  232.             THmo_doHighlight(mutation.addedNodes[i],null);
  233.           }
  234.         }
  235.       });
  236.     });
  237.     // attach chgMon to document.body
  238.     var opts = {childList: true, subtree: true};
  239.     THmo_chgMon.observe(document.body, opts);
  240.   }
  241.  
  242.   // Set up top highlight/seek bar
  243.   var kwhibar = document.createElement("div");
  244.   kwhibar.id = "thdtopbar";
  245.   if (hlbtnvis == "on") var btnchk = " checked=\"checked\"";
  246.   else var btnchk = "";
  247.   if (hlprecode) var btnprecode = " checked=\"checked\"";
  248.   else var btnprecode = "";
  249.   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>" +
  250.     "<div id=\"thdtopcurrent\"><p id=\"thdtopkeywords\" title=\"Click to View, Edit, Seek, or Add Keywords\">Click here to manage keyword/highlight sets</p>" +
  251.     "<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>" +
  252.     "<span style=\"float:right\"><button id=\"btnkwhiexport\">Export Sets</button> <button id=\"btnkwhiimport\">Import Sets</button> <button id=\"thdtopdropclose\">X</button></span></p></div></div>" +
  253.     "<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>" +
  254.     "<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 +
  255.     "> 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 +
  256.     "> Match in pre/code</label></li><li><label style=\"padding-left:4px\">Framed pages:</label><br><select id=\"hlframeselect\" size=\"3\"><option value=\"none\">No highlighting</option><option value=\"same\">Same site only</option>" +
  257.     "<option value=\"any\">Any site</option></select></li><li><button id=\"btnthsreread\" title=\"Update from and apply stored settings\" disabled>Re-Read Saved Prefs</button></li></ul></div>" +
  258.     "<button class=\"btnkwhiclose\" onclick=\"document.getElementById('thdtopbar').style.display='none';document.getElementById('thdtopspacer').style.display='none';return false;\" style=\"float:right\">X</button></form>" +
  259.     "<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} " +
  260.     "#thdtopbar,#thdtopbar *{box-sizing:content-box;} #thdtopform{display:block;position:relative;float:left;width:100%;margin:0;border:none;} " +
  261.     "#thdtopbarhome,#thdtopcurrent,#thdtopfindbuttons,#thdtopoptions{float:left;top:0;left:0;margin:0;padding:5px 8px 4px;border-right:1px solid #fff;font-size:16px;} " +
  262.     "#thdtopbarhome{width:22px;text-align:center;overflow:hidden;} #thdtopbarhome a{display:block;} #thdtopbarhome a img{display:block;border:none;border-radius:3px;padding:3px;margin:-3px 0 -4px 0;background-color:#fff} " +
  263.     "#thdtopfindbuttons{padding-bottom:1px;position:relative} #thdtopfindbuttons button{margin:-5px 0 -2px 0;width:28px;height:18px;color:#024;background:#f0f0f0;border:1px solid #024;border-radius:4px;padding:1px 3px;} " +
  264.     "#thdtopfindbuttons button:hover{background:#ffa;} #thdseekdesc{cursor:pointer} #thdtopkeywords{margin:0;width:500px;cursor:pointer;} " +
  265.     "#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}" +
  266.     "#thdtopkeywords span{display:inline-block;width:100%;overflow:hidden;text-overflow:ellipsis;} #thdtable{max-height:600px;overflow-y:auto;overflow-x:hidden} " +
  267.     "#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;} " +
  268.     "#thdtopdrop table{width:100%;background:#fff;border-top:1px solid #000;border-left:1px solid #000;table-layout:fixed} " +
  269.     "#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;} " +
  270.     "#thdtopoptions{position:relative;width:160px;height:26px;padding:0 8px;} #thdtopoptions > div{padding:5px 0 4px;} " +
  271.     "#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;} " +
  272.     "#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;}" +
  273.     ".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} #hlframeselect{margin:3px 0 3px 4px;border-radius:4px}</style>";
  274.   document.body.appendChild(kwhibar);
  275.   // Attach event handlers
  276.   document.getElementById("thdtopkeywords").addEventListener("click",thddroptoggle,false);
  277.   document.getElementById("kwhitbod").addEventListener("click",kwhiformevent,false);
  278.   document.getElementById("kwhitbod").addEventListener("dblclick",kwhiformevent,false);
  279.   document.getElementById("btnkwhiadd").addEventListener("click",kwhinewset,false);
  280.   document.getElementById("btnkwhiexport").addEventListener("click",kwhiexport,false);
  281.   document.getElementById("btnkwhiimport").addEventListener("click",kwhiimport,false);
  282.   document.getElementById("thdtopfindbuttons").addEventListener("click",thdseek,false);
  283.   document.getElementById("chkhbtn").addEventListener("click",kwhihbtn,false);
  284.   document.getElementById("chkprecode").addEventListener("click",kwhiprecode,false);
  285.   document.getElementById("btnthsreread").addEventListener("click",thsreread,false);
  286.   document.getElementById("thdtopdropclose").addEventListener("click",kwhitopdropclose,false);
  287.   // frame options
  288.   document.getElementById("hlframeselect").addEventListener("change",thsframeselect,false);
  289.   setthsframeopts();
  290.   // Add spacer at top of body
  291.   var divsp = document.createElement("div");
  292.   divsp.id = "thdtopspacer";
  293.   divsp.setAttribute("style","clear:both;display:none");
  294.   divsp.style.height = parseInt(27 - parseInt(window.getComputedStyle(document.body,null).getPropertyValue("margin-top"))) + "px";
  295.   document.body.insertBefore(divsp, document.body.childNodes[0]);
  296.   // Switch JS text to icon
  297.   var JSBTN = document.createElement("img");
  298.   JSBTN.src = GM_getResourceURL("mycon");
  299.   document.querySelector("#thdtopbar a").textContent = "";
  300.   document.querySelector("#thdtopbar a").appendChild(JSBTN);
  301.   // Add menu item
  302.   GM_registerMenuCommand("Show Text Highlight and Seek Bar - View, Edit, Add Keywords and Styles", editKW);
  303.   // Inject H button
  304.   if (hlbtnvis == "off") var hbtndisp = ' style="display:none"';
  305.   else hbtndisp = '';
  306.   var dNew = document.createElement("div");
  307.   dNew.innerHTML = '<button id="btnshowkwhi"' + hbtndisp + '>H</button><style type="text/css">#btnshowkwhi{position:fixed;top:4px;right:4px;opacity:0.2;' +
  308.     '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}' +
  309.     '#btnshowkwhi:hover{opacity:0.8}@media print{#btnshowkwhi{display:none;}}</style>';
  310.   document.body.appendChild(dNew);
  311.   document.getElementById("btnshowkwhi").addEventListener("click",editKW,false);
  312.   
  313.   function editKW(e){
  314.     refreshSetList();
  315.     // show form
  316.     document.getElementById("thdtopbar").style.display = "block";
  317.     document.getElementById("thdtopspacer").style.display = "block";
  318.   }
  319.   function thdDropSetList(e){
  320.     refreshSetList();
  321.     document.getElementById("thdtopdrop").style.display = "block";
  322.   }
  323.   function thddroptoggle(e){
  324.     if (document.getElementById("thdtopdrop").style.display == "none") thdDropSetList();
  325.     else document.getElementById("thdtopdrop").style.display = "none";
  326.   }
  327.   function refreshSetList(e){
  328.     // clear old rows from form
  329.     document.getElementById("kwhitbod").innerHTML = "";
  330.     // populate data - hlobj is global
  331.     for (var j = 0; j < hlkeys.length; ++j){
  332.       var hlset = hlkeys[j];
  333.       if (hlobj[hlset].visible == "true"){
  334.         if (hlobj[hlset].enabled == "true") var strchk = ' checked=\"checked\"';
  335.         else var strchk = '';
  336.         var newrow = document.createElement("tr");
  337.         var thdtypenote = '';
  338.         newrow.setAttribute("kwhiset", hlset);
  339.         if(hlobj[hlset].type != "string"){
  340.           thdtypenote = '<span class="thdtype">' + hlobj[hlset].type + '</span>';
  341.         } 
  342.         if (j == 0){
  343.           newrow.innerHTML = '<td style=\"width:286px\"><div class=\"' + hlset + '\">' + hlobj[hlset].keywords + '</div>' + thdtypenote + '</td>' +
  344.             '<td style=\"width:195px\"><button kwhiset=\"' + hlset + '\" title=\"Bring matches into view\">Seek</button> ' +
  345.             '<button kwhiset=\"' + hlset + '\">Edit</button> <label><input type=\"checkbox\" kwhiset=\"' + hlset + 
  346.             '\"' + strchk + '"> Enabled </label></td>';
  347.         } else {
  348.           newrow.innerHTML = '<td><div class=\"' + hlset + '\">' + hlobj[hlset].keywords + '</div>' + thdtypenote + '</td>' +
  349.             '<td><button kwhiset=\"' + hlset + '\" title=\"Bring matches into view\">Seek</button> ' +
  350.             '<button kwhiset=\"' + hlset + '\">Edit</button> <label><input type=\"checkbox\" kwhiset=\"' + hlset + 
  351.             '\"' + strchk + '"> Enabled </label></td>';
  352.         }
  353.         document.getElementById("kwhitbod").appendChild(newrow);
  354.       }
  355.     }
  356.   }
  357.   
  358.   function kwhiformevent(e){
  359.     if (e.target.nodeName == "INPUT"){ // Enabled checkbox
  360.       var hlsetnum = e.target.getAttribute("kwhiset");
  361.       kwhienabledisable(hlsetnum, e.target.checked);
  362.     } 
  363.     if (e.target.nodeName == "BUTTON"){ // Call up edit form or find bar
  364.       var hlset = e.target.getAttribute('kwhiset');
  365.       if (e.target.textContent == "Edit"){
  366.         // need to cancel in-place editor if it's open
  367.         kwhicancelipe(hlset);
  368.         // set set number attribute
  369.         document.querySelector('#kwhiedit tr').setAttribute('kwhiset', hlset);
  370.         // set class for keywords
  371.         document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').className = hlset;
  372.         // enter placeholder text & type
  373.         document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').textContent = hlobj[hlset].keywords;
  374.         document.getElementById("kwhipattype").selectedIndex = 0;
  375.         if (hlobj[hlset].type == "word") document.getElementById("kwhipattype").selectedIndex = 1;
  376.         if (hlobj[hlset].type == "regex") document.getElementById("kwhipattype").selectedIndex = 2;
  377.         // set style editing to default and override with set rules
  378.         kwhieditstyle = ["rgb(0,0,255)","rgb(255,255,0)","inherit",""]; // defaults
  379.         if (hlobj[hlset].textcolor.length > 0) kwhieditstyle[0] = hlobj[hlset].textcolor;
  380.         if (hlobj[hlset].backcolor.length > 0) kwhieditstyle[1] = hlobj[hlset].backcolor;
  381.         if (hlobj[hlset].fontweight.length > 0) kwhieditstyle[2] = hlobj[hlset].fontweight;
  382.         if (hlobj[hlset].custom.length > 0) kwhieditstyle[3] = hlobj[hlset].custom;
  383.         kwhiShowEditForm();
  384.       }
  385.       if (e.target.textContent == "Seek"){
  386.         // need to cancel in-place editor if it's open
  387.         kwhicancelipe(hlset);
  388.         // Populate current seek set to #thdtopkeywords
  389.         var divDataTD = e.target.parentNode.previousElementSibling;
  390.         document.getElementById("thdtopkeywords").innerHTML = "<i>Seeking:</i> " + divDataTD.firstChild.outerHTML;
  391.         // Store set to seek in #thdtopfindbuttons
  392.         document.getElementById("thdtopfindbuttons").setAttribute("thdseek", hlset);
  393.         // Close Keyword Sets form
  394.         document.getElementById('thdtopdrop').style.display='none';
  395.         // Send click event to the "seek first" button
  396.         document.getElementById('thdtopfindbuttons').children[0].click();
  397.       }
  398.       if (e.target.textContent == "Save"){ // Check and save in-place keyword edit
  399.         // get set number attribute
  400.         var hlset = e.target.getAttribute("kwhiset");
  401.         var kwtext = document.querySelector('div.'+hlset+' p.'+hlset).textContent;
  402.         if (kwtext == hlobj[hlset].keywords){ // Nothing to save, cancel the edit
  403.           kwhicancelipe(hlset);
  404.           return;
  405.         }
  406.         // Save keyword changes WITHOUT user confirmation
  407.         hlobj[hlset].prevkeyw = hlobj[hlset].keywords;
  408.         hlobj[hlset].prevtype = hlobj[hlset].type;
  409.         if (hlobj[hlset].type != "regex") hlobj[hlset].keywords = kwtext;
  410.         else{
  411.           hlobj[hlset].keywords = kwtext.replace(/\\/g, "\\");
  412.           hlobj[hlset].hlpat = ""; //TODOLATER
  413.         }
  414.         // Set updated date/time
  415.         hlobj[hlset].updated = (new Date()).toJSON();
  416.         // Persist the object
  417.         hljson = JSON.stringify(hlobj);
  418.         GM_setValue("kwstyles",hljson);
  419.         // Update CSS rule and parent form
  420.         insertCSS([hlset]);
  421.         refreshSetList();
  422.         // Unhighlight, re-highlight, close in-place editor
  423.         unhighlight(hlset);
  424.         THmo_doHighlight(document.body,[hlset]);
  425.         kwhicancelipe(hlset);
  426.       }
  427.       if (e.target.textContent == "Cancel"){ // Revert in-place editor
  428.         // get set number attribute
  429.         var hlset = e.target.getAttribute("kwhiset");
  430.         kwhicancelipe(hlset);
  431.       }
  432.       if (e.target.textContent == "Revert"){ // Restore previous keywords
  433.         // get set number attribute
  434.         var hlset = e.target.getAttribute("kwhiset");
  435.         // gray the button
  436.         document.getElementById('thsrevert' + hlset).setAttribute('disabled', 'disabled');
  437.         // get the previous keywords (if any)
  438.         if (hlobj[hlset].prevkeyw && hlobj[hlset].prevkeyw != '') var kwtext = hlobj[hlset].prevkeyw;
  439.         if (!kwtext || kwtext == ''){ // uh-oh
  440.           alert('Unable to undo, sorry!');
  441.           document.getElementById('thsrevert' + hlset).setAttribute('disabled', 'disabled');
  442.           return;
  443.         }
  444.         // Save keyword changes WITHOUT user confirmation
  445.         hlobj[hlset].keywords = kwtext;
  446.         hlobj[hlset].type = hlobj[hlset].prevtype;
  447.         hlobj[hlset].prevkeyw = '';
  448.         hlobj[hlset].prevtype = '';
  449.         // Set updated date/time
  450.         hlobj[hlset].updated = (new Date()).toJSON();
  451.         // Persist the object
  452.         hljson = JSON.stringify(hlobj);
  453.         GM_setValue("kwstyles",hljson);
  454.         // Update CSS rule and parent form
  455.         insertCSS([hlset]);
  456.         refreshSetList();
  457.         // Unhighlight, re-highlight
  458.         unhighlight(hlset);
  459.         THmo_doHighlight(document.body,[hlset]);
  460.       }
  461.     }
  462.     if (e.type == "dblclick" && e.target.nodeName == "DIV"){ // Set up in-place quick editor
  463.       if (e.target.children.length == 0) { // Ignore the double-click if the editor was already set up
  464.         var hlset = e.target.className;
  465.         e.target.innerHTML = '<p class="' + hlset +'" contenteditable="true" style="border:1px dotted #000">' + e.target.textContent + '</p>' +
  466.           '<p style="background-color:#fff;font-size:0.8em"><button kwhiset="' + hlset + '" title="Update keywords for this set" style="font-size:0.8em">' +
  467.           'Save</button> <button kwhiset="' + hlset + '" title="Keep saved keywords" style="font-size:0.8em">Cancel</button> <button kwhiset="' + 
  468.           hlset + '" id="thsrevert' + hlset + '" title="Revert last edit" style="font-size:0.8em" disabled>Revert</button></p>';
  469.         var rng = document.createRange();
  470.         rng.selectNodeContents(e.target.children[0]);
  471.         var sel = window.getSelection();        
  472.         sel.removeAllRanges();
  473.         sel.addRange(rng);
  474.         if (hlobj[hlset].prevkeyw && hlobj[hlset].prevkeyw != '') {
  475.           document.getElementById('thsrevert' + hlset).removeAttribute('disabled');
  476.           document.getElementById('thsrevert' + hlset).setAttribute('title','Revert to "' + hlobj[hlset].prevkeyw + '"');
  477.         }
  478.       }
  479.     } 
  480.   }
  481.   function kwhienabledisable(hlsetnum,enable){
  482.     if (enable == false) {
  483.       // Update object and persist to GM storage
  484.       hlobj[hlsetnum].enabled = "false";
  485.       hljson = JSON.stringify(hlobj);
  486.       GM_setValue("kwstyles",hljson);
  487.       // Unhighlight
  488.       unhighlight(hlsetnum);
  489.       // Clear seek info from bar if this set is there
  490.       var seekset = document.getElementById("thdtopfindbuttons").getAttribute("thdseek");
  491.       if (seekset){
  492.         if(seekset.indexOf("|") > -1) seekset = seekset.split("|")[0];
  493.         if (hlsetnum == seekset){
  494.           document.getElementById("thdtopfindbuttons").setAttribute("thdseek","");
  495.           document.getElementById("thdseekdesc").textContent = "Seek";
  496.           document.getElementById("thdtopkeywords").innerHTML = "Click here to manage keyword/highlight sets";
  497.         }
  498.       } 
  499.     } else {
  500.       // Update object and persist to GM storage
  501.       hlobj[hlsetnum].enabled = "true";
  502.       hljson = JSON.stringify(hlobj);
  503.       GM_setValue("kwstyles",hljson);
  504.       // Highlight
  505.       THmo_doHighlight(document.body,[hlsetnum]);
  506.     }
  507.   }
  508.   function kwhinewset(e,kwtext){ // call up new set form
  509.     // set set number attribute
  510.     document.querySelector('#kwhiedit tr').setAttribute('kwhiset', 'new');
  511.     // clear class for keywords
  512.     document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').className = "";
  513.     // enter placeholder text & default type
  514.     if (kwtext) document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').textContent = kwtext;
  515.     else document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').textContent = "larry|moe|curly";
  516.     document.getElementById("kwhipattype").selectedIndex = 0;
  517.     // set style editing to defaults
  518.     kwhieditstyle = ["rgb(0,0,255)","rgb(255,255,0)","inherit",""];
  519.     kwhiShowEditForm();
  520.   }
  521.   function kwhiShowEditForm(){
  522.     var rule = "#stylecontrols>p>span{";
  523.     if (kwhieditstyle[0].length > 0) rule += "color:"+kwhieditstyle[0]+";";
  524.     if (kwhieditstyle[1].length > 0) rule += "background-color:"+kwhieditstyle[1]+";";
  525.     if (kwhieditstyle[2].length > 0) rule += "font-weight:"+kwhieditstyle[2]+";";
  526.     if (kwhieditstyle[3].length > 0) rule += kwhieditstyle[3]+";";
  527.     document.getElementById("kwhiedittemp").innerHTML = rule + "}";
  528.     populateRGB("txt",kwhieditstyle[0]);
  529.     populateRGB("bkg",kwhieditstyle[1]);
  530.     document.getElementById("fwsel").value = kwhieditstyle[2];
  531.     document.getElementById("kwhicustom").value = kwhieditstyle[3];
  532.     // default the reversion button to disabled
  533.     var rbtn = document.getElementById("btnkwhirevert");
  534.     rbtn.setAttribute('disabled','disabled');
  535.     if (rbtn.hasAttribute('kwhiset')) rbtn.removeAttribute('kwhiset');
  536.     rbtn.setAttribute('title','');
  537.     // show form
  538.     document.getElementById("kwhiedit").style.display = "block";
  539.     // check for possible reversion option
  540.     var hlset = document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').className;
  541.     if (hlset != "" && hlobj[hlset].prevkeyw && hlobj[hlset].prevkeyw != '') {
  542.       rbtn.removeAttribute('disabled');
  543.       rbtn.setAttribute('kwhiset',hlset);
  544.       rbtn.setAttribute('title','Revert to "' + hlobj[hlset].prevkeyw + '"');
  545.     }
  546.   }
  547.   function kwhiexport(e){
  548.     prompt("JSON data\nPress Ctrl+c or right-click to copy\n ", JSON.stringify(hlobj));
  549.   }
  550.   function kwhiimport(e){
  551.     var txtImport = prompt("Paste in the exported data and click OK to start parsing", "");
  552.     try{
  553.       var objImport = JSON.parse(txtImport);
  554.     } catch(err){
  555.       alert("Sorry, data does not appear to be in the proper format. Here's the error according to Firefox: \n\n"+err+"\n\nHopefully you can resolve that!");
  556.       return;
  557.     }
  558.     var keysImport = Object.keys(objImport);
  559.     // Compare for duplicate set numbers
  560.     var keysString = "|" + hlkeys.join("|") + "|";
  561.     var counter = 0;
  562.     for (var j = 0; j < keysImport.length; ++j){
  563.       if(keysString.indexOf("|"+keysImport[j]+"|") > -1) counter++;
  564.     }
  565.     if (counter > 0){
  566.       var arc = prompt("Detected "+counter+" of "+keysImport.length+" set numbers to be imported already exist. Do you want to:\nAdd these sets [A]\nReplace existing sets [R]\nTotally replace all existing sets [T]\nCancel the import [C]?","A");
  567.       if (!arc) return;
  568.       if (arc.length == 0) return;
  569.       if (arc.toLowerCase() == "c") return;
  570.       if (arc.toLowerCase() == "t"){
  571.         if(!confirm("Total replacement has no error checking. Click OK to confirm total replacement, or click Cancel to only Replace matching sets.")) arc = "R";
  572.       }
  573.     } else {
  574.       var arc = "A";
  575.     }
  576.     if (arc.toLowerCase() == "t"){ // Total replacement
  577.       hlobj = JSON.parse(txtImport);
  578.       // Update the global key array
  579.       hlkeys = Object.keys(hlobj);
  580.       // Persist the object
  581.       hljson = JSON.stringify(hlobj);
  582.       GM_setValue("kwstyles",hljson);
  583.       // Apply to page (see below)
  584.     } else {
  585.       for (var j = 0; j < keysImport.length; ++j){ // Add/replace individual sets
  586.         var impset = keysImport[j];
  587.         if(keysString.indexOf("|"+impset+"|") > -1 && arc.toLowerCase() == "r"){ // replace
  588.           var hlset = impset;
  589.           hlobj[hlset].keywords = objImport[impset].keywords || "keywords|not|found";
  590.           hlobj[hlset].type = objImport[impset].type || "string";
  591.           hlobj[hlset].hlpat = objImport[impset].hlpat || "";
  592.           hlobj[hlset].textcolor = objImport[impset].textcolor || "rgb(0,0,255)";
  593.           hlobj[hlset].backcolor = objImport[impset].backcolor || "rgb(255,255,0)";
  594.           hlobj[hlset].fontweight = objImport[impset].fontweight || "inherit";
  595.           hlobj[hlset].custom = objImport[impset].custom || "";
  596.           hlobj[hlset].enabled = objImport[impset].enabled || "true";
  597.           hlobj[hlset].visible = objImport[impset].visible || "true";
  598.           hlobj[hlset].updated = (new Date()).toJSON();
  599.         } else { // add
  600.           if(keysString.indexOf("|"+impset+"|") > -1 && arc.toLowerCase() == "a"){
  601.             // create a new set number instead
  602.             var hlset = "set" + hlnextset;
  603.             hlnextset += 1;
  604.             GM_setValue("hlnextset",hlnextset);
  605.           } else {
  606.             var hlset = impset;
  607.           }
  608.           // add the set
  609.           hlobj[hlset] = {
  610.             keywords : objImport[impset].keywords || "keywords|not|found",
  611.             type: objImport[impset].type || "string",
  612.             hlpat : objImport[impset].hlpat || "",
  613.             textcolor : objImport[impset].textcolor || "rgb(0,0,255)",
  614.             backcolor : objImport[impset].backcolor || "rgb(255,255,0)",
  615.             fontweight : objImport[impset].fontweight || "inherit",
  616.             custom : objImport[impset].custom || "",
  617.             enabled : objImport[impset].enabled || "true",
  618.             visible : objImport[impset].visible || "true",
  619.             updated : objImport[impset].updated || ""
  620.           }
  621.         }
  622.         // Update the global key array
  623.         hlkeys = Object.keys(hlobj);
  624.         // Persist the object
  625.         hljson = JSON.stringify(hlobj);
  626.         GM_setValue("kwstyles",hljson);
  627.       }
  628.     }
  629.     // TODO: Could an error  prevent reaching this point, for example, if the import object is missing properties due to bad editing?
  630.     // Update CSS rule and command bar list
  631.     insertCSS(hlkeys);
  632.     refreshSetList();
  633.     // Unhighlight all, re-highlight all, close dialog
  634.     unhighlight(null);
  635.     THmo_doHighlight(document.body);
  636.   }
  637.   function kwhihbtn(e){
  638.     if (e.target.checked == false){
  639.       hlbtnvis = "off";
  640.       GM_setValue("hlbtnvis",hlbtnvis);
  641.       document.getElementById("btnshowkwhi").style.display = "none";
  642.     } else {
  643.       hlbtnvis = "on";
  644.       GM_setValue("hlbtnvis",hlbtnvis);
  645.       document.getElementById("btnshowkwhi").style.display = "";
  646.     }
  647.   }
  648.   function kwhiprecode(e){
  649.     if (e.target.checked == false){
  650.       // Update var, persist the preference, unhighlight, rehighlight
  651.       hlprecode = false;
  652.       GM_setValue("hlprecode",hlprecode);
  653.       unhighlight(null);
  654.       THmo_doHighlight(document.body);
  655.     } else {
  656.       // Update var, persist the preference, rehighlight
  657.       hlprecode = true;
  658.       GM_setValue("hlprecode",hlprecode);
  659.       THmo_doHighlight(document.body);
  660.     }
  661.   }
  662.   function kwhicancelipe(setno){
  663.     // clean up in-place editor(s)
  664.     if (setno && setno != ''){
  665.       var kwdiv = document.querySelector('#kwhitbod .'+setno);
  666.       if (kwdiv){
  667.         kwdiv.innerHTML = hlobj[setno].keywords;
  668.         return;
  669.       }
  670.     } else { // Check 'em all
  671.       var divs = document.querySelector('#kwhitbod div');
  672.       for (var n=0; n<divs.length; n++){
  673.         if (divs[n].children.length > 0 && divs[n].className != '') kwhicancelipe(divs[n].className);
  674.       }
  675.     }
  676.   }
  677.   function kwhitopdropclose(e){
  678.     kwhicancelipe('');
  679.     document.getElementById('thdtopdrop').style.display='none';
  680.   }
  681.   function thsreread(e){
  682.     //TODO
  683.   }
  684.   function thsframeselect(e){
  685.     var selopt = e.target.options[e.target.selectedIndex].value;
  686.     if (hlframe != selopt) {
  687.       hlframe = selopt;
  688.       GM_setValue("hlframe",hlframe);
  689.       setthsframeopts();
  690.     }
  691.   }
  692.   function setthsframeopts(){
  693.     var sel = document.getElementById("hlframeselect");
  694.     if (hlframe == "none"){
  695.       sel.options[0].selected = true;
  696.       sel.options[0].setAttribute("selected","selected");
  697.     } else {
  698.       sel.options[0].selected = false;
  699.       if (sel.options[0].hasAttribute("selected")) sel.options[0].removeAttribute("selected");
  700.     }
  701.     if (hlframe == "same"){
  702.       sel.options[1].selected = true;
  703.       sel.options[1].setAttribute("selected","selected");
  704.     } else {
  705.       sel.options[1].selected = false;
  706.       if (sel.options[1].hasAttribute("selected")) sel.options[1].removeAttribute("selected");
  707.     }
  708.     if (hlframe == "any"){
  709.       sel.options[2].selected = true;
  710.       sel.options[2].setAttribute("selected","selected");
  711.     } else {
  712.       sel.options[2].selected = false;
  713.       if (sel.options[2].hasAttribute("selected")) sel.options[2].removeAttribute("selected");
  714.     }
  715.   }
  716.   function thdseek(e){
  717.     if (e.target.nodeName == "DIV") return; // ignore background clicks
  718.     var seekset = e.currentTarget.getAttribute("thdseek");
  719.     if (!seekset){ // user needs to select a set to seek in
  720.       thdDropSetList();
  721.     } else {
  722.       var seekparams = seekset.split("|");
  723.       var seekmatches = document.querySelectorAll('thdfrag[txhidy15="'+seekparams[0]+'"]');
  724.       // Update or add total size of set; FIGURE OUT LATER: what if this changed??
  725.       seekparams[1] = seekmatches.length;
  726.       if (seekmatches.length > 0){
  727.         if (e.target.nodeName == "SPAN"){ // re-scroll to the current reference
  728.           thdshow(seekmatches[parseInt(seekparams[2])]);
  729.         } else { // BUTTON
  730.           var seekaction = e.target.getAttribute("thdaction");
  731.           if (!seekaction) seekaction = "f";
  732.           if (seekparams.length == 3){ // User has seeked in this set
  733.             switch (seekaction){
  734.               case "f":
  735.                 seekparams[2] = 0;
  736.                 var rtn = thdshow(seekmatches[parseInt(seekparams[2])]);
  737.                 if (rtn == false) seekagain("n");
  738.                 break;
  739.               case "p":
  740.                 if (parseInt(seekparams[2]) > 0) {
  741.                   seekparams[2] = parseInt(seekparams[2]) - 1;
  742.                   var rtn = thdshow(seekmatches[parseInt(seekparams[2])]);
  743.                   if (rtn == false){
  744.                     if (parseInt(seekparams[2]) > 0) seekagain("p");
  745.                     else seekfailnotc("No previous match visible");
  746.                   } 
  747.                 } else {
  748.                   seekfailnotc("Already reached first match");
  749.                 }
  750.                 break;
  751.               case "n":
  752.                 if (parseInt(seekparams[2]) < (seekmatches.length-1)) {
  753.                   seekparams[2] = parseInt(seekparams[2]) + 1;
  754.                   var rtn = thdshow(seekmatches[parseInt(seekparams[2])]);
  755.                   if (rtn == false){
  756.                     if (parseInt(seekparams[2]) < (seekmatches.length-1)) seekagain("n");
  757.                     else seekfailnotc("No later match visible");
  758.                   } 
  759.                 } else {
  760.                   seekparams[2] = (seekmatches.length-1); // in case it's too high, fix that here
  761.                   seekfailnotc("Already reached last match");
  762.                 }
  763.                 break;
  764.               case "l":
  765.                 seekparams[2] = (seekmatches.length-1);
  766.                 var rtn = thdshow(seekmatches[parseInt(seekparams[2])]);
  767.                 if (rtn == false) seekagain("p");
  768.                 break;
  769.             }
  770.           } else {
  771.             seekparams[2] = 0;
  772.             thdshow(seekmatches[parseInt(seekparams[2])]);
  773.           }
  774.           document.getElementById("thdtopfindbuttons").setAttribute("thdseek", seekparams.join("|"));
  775.           document.getElementById("thdseekdesc").textContent = (parseInt(seekparams[2])+1) + " of " + seekparams[1];
  776.         }
  777.       } else {
  778.         document.getElementById("thdseekdesc").textContent = "0 of 0";
  779.       }
  780.     }
  781.   }
  782.   function thdshow(elt){ // this could be much prettier with animation!
  783.     elt.scrollIntoView();
  784.     var rect = elt.getClientRects()[0];
  785.     if (rect){ // scroll down if behind the control bar
  786.       if (rect.top < 27) window.scroll(0, window.scrollY-27);
  787.       return true;
  788.     } else { // match is not visible
  789.       return false;
  790.     }
  791.   }
  792.   function seekagain(dir){
  793.     switch (dir){
  794.       case "p":
  795.         seekfailnotc("Hidden, trying previous match...");
  796.         window.setTimeout(function(){document.querySelector('button[thdaction="p"]').click();},250);
  797.         break;
  798.       case "n":
  799.         seekfailnotc("Hidden, trying next match...");
  800.         window.setTimeout(function(){document.querySelector('button[thdaction="n"]').click();},250);
  801.         break;
  802.     }
  803.   }
  804.   var evttimer;
  805.   function seekfailnotc(txt){
  806.     var sfdiv = document.getElementById("thdseekfail");
  807.     sfdiv.textContent = txt;
  808.     sfdiv.style.display = "block";
  809.     if (evttimer) window.clearTimeout(evttimer);
  810.     evttimer = window.setTimeout(function(){document.getElementById("thdseekfail").style.display="none";}, 800);
  811.   }
  812.   function unhighlight(setnum){
  813.     if (setnum) var tgts = document.querySelectorAll('thdfrag[txhidy15="' + setnum + '"]');
  814.     else var tgts = document.querySelectorAll('thdfrag[txhidy15]'); // remove ALL
  815.     for (var i=0; i<tgts.length; i++){
  816.       // Check for co-extant parent(s) to remove potentially stranded <span>s
  817.       var parnode = tgts[i].parentNode, parpar = parnode.parentNode, tgtspan;
  818.       if (parnode.hasAttribute("thdcontain") && parnode.innerHTML == tgts[i].outerHTML){
  819.         parnode.outerHTML = tgts[i].textContent.replace(/</g, '&lt;').replace(/>/g, '&gt;');
  820.         tgtspan = parpar;
  821.       } else {
  822.         tgts[i].outerHTML = tgts[i].textContent.replace(/</g, '&lt;').replace(/>/g, '&gt;');
  823.         tgtspan = parnode;
  824.       }
  825.       tgtspan.normalize();
  826.       if (tgtspan.hasAttribute("thdcontain")){
  827.         parnode = tgtspan.parentNode;
  828.         if (parnode){
  829.           if (parnode.hasAttribute("thdcontain") && parnode.innerHTML == tgtspan.outerHTML && tgtspan.querySelectorAll('thdfrag[txhidy15]').length == 0){
  830.             parnode.outerHTML = tgtspan.innerHTML;
  831.           } else if (parnode.innerHTML == tgtspan.outerHTML && tgtspan.querySelectorAll('thdfrag[txhidy15]').length == 0) {
  832.             parnode.innerHTML = tgtspan.innerHTML;
  833.           }
  834.         }
  835.       }
  836.     }
  837.   }
  838.   
  839.   // Set up add/edit form
  840.   var kwhied = document.createElement("div");
  841.   kwhied.id = "kwhiedit";
  842.   kwhied.innerHTML = "<form onsubmit=\"return false;\"><p style=\"margin-top:0\"><b>Edit/Add Keywords/Highlighting</b>" +
  843.     "<button class=\"btnkwhiclose\" onclick=\"document.getElementById('kwhiedit').style.display='none'; return false;\">X</button>" +
  844.     "</p><p>List longer forms of a word first to match both in full. Example: \"children|child\" will highlight both, but \"child|children\" " +
  845.     "will only highlight child, it won't expand the selection to children.</p>" +
  846.     "<table cellspacing=\"0\" style=\"table-layout:fixed\"><tbody><tr kwhiset=\"new\"><td style=\"width:45%\">" +
  847.     "<p contenteditable=\"true\" style=\"border:1px dotted #000;word-wrap:break-word;display:block!important\" class=\"\">placeholder</p>" +
  848.     "<p style=\"margin-top:2em\">Match type: <select id=\"kwhipattype\"><option value=\"string\" selected>Anywhere in a word</option>" +
  849.     "<option value=\"word\">\"Whole\" words only</option><option value=\"regex\">Regular Expression (advanced)</option></select></p></td>" +
  850.     "<td style=\"width:55%\" id=\"stylecontrols\"><p><span>Text color:</span> R:<input id=\"txtr\" type=\"number\" min=\"0\" max=\"255\" step=\"1\" " +
  851.     "style=\"width:4em\" value=\"0\"> G:<input id=\"txtg\" type=\"number\" min=\"0\" max=\"255\" step=\"1\" " +
  852.     "style=\"width:4em\" value=\"0\"> B:<input id=\"txtb\" type=\"number\" min=\"0\" max=\"255\" step=\"1\" " +
  853.     "style=\"width:4em\" value=\"0\"> <button id=\"btntxtreset\">Reset</button></p><p><span>Background:</span> R:<input id=\"bkgr\" " +
  854.     "type=\"number\" min=\"0\" max=\"255\" step=\"1\" style=\"width:4em\" value=\"255\"> G:<input id=\"bkgg\" " +
  855.     "type=\"number\" min=\"0\" max=\"255\" step=\"1\" style=\"width:4em\" value=\"255\"> B:<input id=\"bkgb\" " +
  856.     "type=\"number\" min=\"0\" max=\"255\" step=\"1\" style=\"width:4em\" value=\"128\"> <button id=\"btnbkgreset\">Reset</button>" +
  857.     "</p><p><span>Font-weight:</span> <select id=\"fwsel\"><option value=\"inherit\" selected>inherit</option>" +
  858.     "<option value=\"bold\"><b>bold</b></option><option value=\"normal\">not bold</option></select></p><p><span>Custom:</span> <input type=\"text\" " +
  859.     "id=\"kwhicustom\" style=\"width:55%\"> <button id=\"kwhicustomapply\">Apply</button></p></td></tr></tbody></table>" +
  860.     "<p><button id=\"btnkwhisave\">Save Changes</button> <button id=\"btnkwhicancel\">Discard Changes</button> " +
  861.     "<button id=\"btnkwhiremove\">Hide Set</button> <button id=\"btnkwhirevert\" disabled>Revert Last Keyword Edit</button></p></form><style type=\"text/css\">" +
  862.     "#kwhiedit{position:fixed;top:1px;left:150px;width:800px;height:400px;border:1px solid #000;border-radius:6px;padding:1em;color:#000;" +
  863.     "background:#fafafa;z-index:2501;display:none} #kwhiedit table{width:100%;background:#fff;border-top:1px solid #000;" +
  864.     "border-left:1px solid #000;} #kwhiedit td{padding:0 16px; vertical-align:top;border-right:1px solid #000;border-bottom:1px solid #000;}" +
  865.     "#stylecontrols>p>span{display:inline-block;width:6.5em;}</style><style type=\"text/css\" id=\"kwhiedittemp\"></style></div>";
  866.   document.body.appendChild(kwhied);
  867.   // Attach event handlers
  868.   document.getElementById("btnkwhisave").addEventListener("click",kwhisavechg,false);
  869.   document.getElementById("btnkwhicancel").addEventListener("click",kwhicancel,false);
  870.   document.getElementById("btnkwhiremove").addEventListener("click",kwhiremove,false);
  871.   document.getElementById("btnkwhirevert").addEventListener("click",kwhirevert,false);
  872.   document.getElementById("stylecontrols").addEventListener("input",updatestyle,false);
  873.   document.getElementById("btntxtreset").addEventListener("click",kwhicolorreset,false);
  874.   document.getElementById("btnbkgreset").addEventListener("click",kwhicolorreset,false);
  875.   document.getElementById("fwsel").addEventListener("change",kwhifwchg,false);
  876.   document.getElementById("kwhicustomapply").addEventListener("click",kwhicustom,false);
  877.  
  878.   function kwhisavechg(e){
  879.     // Update object, regenerate CSS if applicable, apply to document
  880.     var hlset = document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').className;
  881.     var kwtext = document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').textContent;
  882.     if (hlset == ""){ 
  883.       // create a new set number
  884.       var hlset = "set" + hlnextset;
  885.       hlnextset += 1;
  886.       GM_setValue("hlnextset",hlnextset);
  887.       // add the set
  888.       if (document.getElementById("kwhipattype").value == "regex"){
  889.         kwtext = kwtext.replace(/\\/g, "\\");
  890.         var hlpattxt = ""; //TODOLATER
  891.       } else {
  892.         var hlpattxt = "";
  893.       }
  894.       hlobj[hlset] = {
  895.         keywords : kwtext,
  896.         type : document.getElementById("kwhipattype").value,
  897.         hlpat : hlpattxt,
  898.         textcolor : kwhieditstyle[0],
  899.         backcolor : kwhieditstyle[1],
  900.         fontweight : kwhieditstyle[2],
  901.         custom : kwhieditstyle[3],
  902.         enabled : "true",
  903.         visible : "true",
  904.         updated : ""
  905.       }
  906.       // Update the global key array
  907.       hlkeys = Object.keys(hlobj);
  908.     } else {
  909.       var oldtype = hlobj[hlset].type;
  910.       hlobj[hlset].type = document.getElementById("kwhipattype").value;
  911.       // Save keyword changes after user confirmation
  912.       if (kwtext != hlobj[hlset].keywords){
  913.         if (confirm("Save updated keywords (and other changes)?")){
  914.           hlobj[hlset].prevkeyw = hlobj[hlset].keywords;
  915.           hlobj[hlset].prevtype = oldtype;
  916.           if (hlobj[hlset].type != "regex"){
  917.             hlobj[hlset].keywords = kwtext;
  918.           } else {
  919.             hlobj[hlset].keywords = kwtext.replace(/\\/g, "\\");
  920.             hlobj[hlset].hlpat = ""; //TODOLATER
  921.           }
  922.         } else return;
  923.       }
  924.       // Save style changes without confirmation
  925.       hlobj[hlset].textcolor = kwhieditstyle[0];
  926.       hlobj[hlset].backcolor = kwhieditstyle[1];
  927.       hlobj[hlset].fontweight = kwhieditstyle[2];
  928.       hlobj[hlset].custom = kwhieditstyle[3];
  929.       // Set updated date/time
  930.       hlobj[hlset].updated = (new Date()).toJSON();
  931.     }
  932.     // Persist the object
  933.     hljson = JSON.stringify(hlobj);
  934.     GM_setValue("kwstyles",hljson);
  935.     // Update CSS rule and parent form
  936.     insertCSS([hlset]);
  937.     refreshSetList();
  938.     // Unhighlight, re-highlight, close dialog
  939.     unhighlight(hlset);
  940.     THmo_doHighlight(document.body,[hlset])
  941.     document.getElementById('kwhiedit').style.display='none';
  942.   }
  943.   function kwhicancel(e){
  944.     // Close dialog (fields will be refresh if it is opened again)
  945.     document.getElementById('kwhiedit').style.display='none';
  946.   }
  947.   function kwhiremove(e){
  948.     var hlset = document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').className;
  949.     if (hlset == ""){
  950.       alert("This set has not been saved and therefore does not need to be hidden, you can just close the dialog to discard it.");
  951.     } else {
  952.       if (confirm("Are you sure you want to hide this set instead of editing it to your own liking?")){
  953.         hlobj[hlset].visible = "false";
  954.         hlobj[hlset].updated = (new Date()).toJSON();
  955.         // Persist the object
  956.         hljson = JSON.stringify(hlobj);
  957.         GM_setValue("kwstyles",hljson);
  958.         // Update set list, remove highlighting, close form
  959.         refreshSetList();
  960.         unhighlight(hlset);
  961.         document.getElementById('kwhiedit').style.display='none';
  962.       }
  963.     }
  964.   }
  965.   function kwhirevert(e){
  966.     // get set number attribute
  967.     var hlset = e.target.getAttribute("kwhiset");
  968.     // gray the button
  969.     e.target.setAttribute('disabled', 'disabled');
  970.     // get the previous keywords (if any)
  971.     if (hlobj[hlset].prevkeyw && hlobj[hlset].prevkeyw != '') var kwtext = hlobj[hlset].prevkeyw;
  972.     if (!kwtext || kwtext == ''){ // uh-oh
  973.       alert('Unable to undo, sorry!');
  974.       return;
  975.     }
  976.     // Save keyword changes WITHOUT user confirmation
  977.     hlobj[hlset].keywords = kwtext;
  978.     hlobj[hlset].type = hlobj[hlset].prevtype;
  979.     hlobj[hlset].prevkeyw = '';
  980.     hlobj[hlset].prevtype = '';
  981.     // Set updated date/time
  982.     hlobj[hlset].updated = (new Date()).toJSON();
  983.     // Persist the object
  984.     hljson = JSON.stringify(hlobj);
  985.     GM_setValue("kwstyles",hljson);
  986.     // Update CSS rule and parent form
  987.     insertCSS([hlset]);
  988.     refreshSetList();
  989.     // Unhighlight, re-highlight
  990.     unhighlight(hlset);
  991.     THmo_doHighlight(document.body,[hlset]);
  992.     // Refresh the keywords and type
  993.     document.querySelector('#kwhiedit td:nth-of-type(1) p:nth-of-type(1)').textContent = hlobj[hlset].keywords;
  994.     document.getElementById("kwhipattype").selectedIndex = 0;
  995.     if (hlobj[hlset].type == "word") document.getElementById("kwhipattype").selectedIndex = 1;
  996.     if (hlobj[hlset].type == "regex") document.getElementById("kwhipattype").selectedIndex = 2;
  997.   }
  998.   function kwhicolorreset(e){
  999.     // what set is this?
  1000.     var set = document.querySelector('#kwhiedit tr').getAttribute('kwhiset');
  1001.     // check which button, reset the RGB
  1002.     if (e.target.id == "btntxtreset"){
  1003.       if (set == "new"){
  1004.         kwhieditstyle[0] = "rgb(0,0,255)";
  1005.       } else {
  1006.         kwhieditstyle[0] = hlobj[set].textcolor;
  1007.       }
  1008.       populateRGB("txt",kwhieditstyle[0]);
  1009.       setdivstyle(["txt"]);
  1010.     }
  1011.     if (e.target.id == "btnbkgreset"){
  1012.       if (set == "new"){
  1013.         kwhieditstyle[1] = "rgb(255,255,0)";        
  1014.       } else {
  1015.         kwhieditstyle[1] = hlobj[set].backcolor;
  1016.       }
  1017.       populateRGB("bkg",kwhieditstyle[1]);
  1018.       setdivstyle(["bkg"]);
  1019.     }
  1020.     e.target.blur();
  1021.   }
  1022.   function populateRGB(prop,stylestring){
  1023.     var rgbvals = stylestring.substr(stylestring.indexOf("(")+1);
  1024.     rgbvals = rgbvals.substr(0,rgbvals.length-1).split(",");
  1025.     document.getElementById(prop+"r").value = parseInt(rgbvals[0]);
  1026.     document.getElementById(prop+"g").value = parseInt(rgbvals[1]);
  1027.     document.getElementById(prop+"b").value = parseInt(rgbvals[2]);
  1028.   }
  1029.   function updatestyle(e){
  1030.     // validate value and apply change
  1031.     if (e.target.id.indexOf("txt") == 0 || e.target.id.indexOf("bkg") == 0){
  1032.       if (isNaN(e.target.value)){
  1033.         alert("Please only use values between 0 and 255");
  1034.         return;
  1035.       }
  1036.       if (parseInt(e.target.value) != e.target.value){
  1037.         e.target.value = parseInt(e.target.value);
  1038.       }
  1039.       if (e.target.value < 0){
  1040.         e.target.value = 0;
  1041.       }
  1042.       if (e.target.value > 255){
  1043.         e.target.value = 255;
  1044.       }
  1045.       if (e.target.id.indexOf("txt") == 0) setdivstyle(["txt"]);
  1046.       if (e.target.id.indexOf("bkg") == 0) setdivstyle(["bkg"]);
  1047.     } else {
  1048.       if (e.target.id == "kwhicustom") return;
  1049.       console.log("updatestyle on "+e.target.id);
  1050.     }
  1051.   }
  1052.   function setdivstyle(props){
  1053.     for (var i=0; i<props.length; i++){
  1054.       switch (props[i]){
  1055.         case "txt":
  1056.           kwhieditstyle[0] = "rgb(" + document.getElementById("txtr").value + "," +
  1057.             document.getElementById("txtg").value + "," + document.getElementById("txtb").value + ")";
  1058.           break;
  1059.         case "bkg":
  1060.           kwhieditstyle[1] = "rgb(" + document.getElementById("bkgr").value + "," +
  1061.             document.getElementById("bkgg").value + "," + document.getElementById("bkgb").value + ")";
  1062.           break;
  1063.         default:
  1064.           console.log("default?");
  1065.       }
  1066.     }
  1067.     var rule = "#stylecontrols>p>span{";
  1068.     if (kwhieditstyle[0].length > 0) rule += "color:"+kwhieditstyle[0]+";";
  1069.     if (kwhieditstyle[1].length > 0) rule += "background-color:"+kwhieditstyle[1]+";";
  1070.     if (kwhieditstyle[2].length > 0) rule += "font-weight:"+kwhieditstyle[2]+";";
  1071.     if (kwhieditstyle[3].length > 0) rule += kwhieditstyle[3]+";";
  1072.     document.getElementById("kwhiedittemp").innerHTML = rule + "}";
  1073.   }
  1074.   function kwhifwchg(e){
  1075.     kwhieditstyle[2] = e.target.value;
  1076.     setdivstyle([]);
  1077.   }
  1078.   function kwhicustom(e){
  1079.     kwhieditstyle[3] = document.getElementById("kwhicustom").value;
  1080.     setdivstyle([]);
  1081.   }
  1082.   
  1083.   // Context menu options -- do not replace any existing menu!
  1084.   if (!document.body.hasAttribute("contextmenu") && "contextMenu" in document.documentElement){
  1085.     var cmenu = document.createElement("menu");
  1086.     cmenu.id = "THDcontext";
  1087.     cmenu.setAttribute("type", "context");
  1088.     cmenu.innerHTML = '<menu label="Text Highlight and Seek">' +
  1089.       '<menuitem id="THDshowbar" label="Show bar"></menuitem>' +
  1090.       '<menuitem id="THDenableset" label="Enable matching set"></menuitem>' +
  1091.       '<menuitem id="THDdisableset" label="Disable this set"></menuitem>' +
  1092.       '<menuitem id="THDnewset" label="Add new set"></menuitem>' +
  1093.       '</menu>';
  1094.     document.body.appendChild(cmenu);
  1095.     document.getElementById("THDshowbar").addEventListener("click",editKW,false);
  1096.     document.getElementById("THDenableset").addEventListener("click",cmenuEnable,false);
  1097.     document.getElementById("THDdisableset").addEventListener("click",cmenuDisable,false);
  1098.     document.getElementById("THDnewset").addEventListener("click",cmenuNewset,false);
  1099.     // attach menu and create event for filtering
  1100.     document.body.setAttribute("contextmenu", "THDcontext");
  1101.     document.body.addEventListener("contextmenu",cmenuFilter,false);
  1102.   }
  1103.   function cmenuFilter(e){
  1104.     document.getElementById("THDenableset").setAttribute("disabled","disabled");
  1105.     document.getElementById("THDenableset").setAttribute("THDtext","");
  1106.     document.getElementById("THDdisableset").setAttribute("disabled","disabled");
  1107.     document.getElementById("THDdisableset").setAttribute("THDset","");
  1108.     var s = window.getSelection();
  1109.     if (s.isCollapsed) document.getElementById("THDnewset").setAttribute("THDtext","");
  1110.     else document.getElementById("THDnewset").setAttribute("THDtext",s.getRangeAt(0).toString().trim());
  1111.     if (e.target.hasAttribute('txhidy15')){
  1112.       document.getElementById("THDdisableset").removeAttribute("disabled");
  1113.       document.getElementById("THDdisableset").setAttribute("THDset",e.target.getAttribute('txhidy15'));
  1114.     } else {
  1115.       document.getElementById("THDdisableset").setAttribute("disabled","disabled");
  1116.       if (!s.isCollapsed){
  1117.         document.getElementById("THDenableset").removeAttribute("disabled");
  1118.         document.getElementById("THDenableset").setAttribute("THDtext",s.getRangeAt(0).toString().trim());
  1119.       }
  1120.     }
  1121.   }
  1122.   function cmenuEnable(e){
  1123.     var kw = e.target.getAttribute("THDtext").toLowerCase();
  1124.     var toggled = false;
  1125.     for (var j = 0; j < hlkeys.length; ++j){
  1126.       var hlset = hlkeys[j];
  1127.       var kwlist = "|" + hlobj[hlset].keywords.toLowerCase() + "|";
  1128.       if(kwlist.indexOf("|" + kw + "|") > -1){
  1129.         if (hlobj[hlset].enabled == "true") break; // already enabled
  1130.         kwhienabledisable(hlset,true);
  1131.         refreshSetList();
  1132.         toggled = true;
  1133.         break;
  1134.       }
  1135.     }
  1136.     if (toggled == false){
  1137.       if (document.getElementById("thdtopbar").style.display != "block") editKW();
  1138.       if (document.getElementById("thdtopdrop").style.display != "block") thdDropSetList();
  1139.     }
  1140.   }
  1141.   function cmenuDisable(e){
  1142.     kwhienabledisable(e.target.getAttribute("THDset"),false);
  1143.     refreshSetList();
  1144.   }
  1145.   function cmenuNewset(e){
  1146.     //TODO - if there's a selection, get it into the form
  1147.     kwhinewset(e,e.target.getAttribute("THDtext"));
  1148.   }
  1149.  
  1150.   // TESTING ONLY
  1151.   function flushData(){
  1152.     GM_setValue("kwstyles", "");
  1153.   }
  1154.   GM_registerMenuCommand("TEST ONLY - flush keyword sets for Text Highlight and Seek", flushData);
  1155.  
  1156. })(); // end of anonymous function