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GitHub Custom Emojis

Add custom emojis from json source

当前为 2017-05-16 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name        GitHub Custom Emojis
  3. // @version     0.2.6
  4. // @description Add custom emojis from json source
  5. // @license     MIT
  6. // @author      Rob Garrison
  7. // @namespace   https://github.com/StylishThemes
  8. // @include     /https?://((gist)\.)?github\.com/
  9. // @grant       GM_addStyle
  10. // @grant       GM_getValue
  11. // @grant       GM_setValue
  12. // @grant       GM_xmlhttpRequest
  13. // @grant       GM_info
  14. // @connect     *
  15. // @run-at      document-end
  16. // @require     https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js
  17. // @require     https://greasyfork.org/scripts/16936-ichord-caret-js/code/ichord-Caretjs.js?version=138639
  18. // @require     https://greasyfork.org/scripts/16996-ichord-at-js-mod/code/ichord-Atjs-mod.js?version=138632
  19. // @require     https://cdnjs.cloudflare.com/ajax/libs/ion-rangeslider/2.1.2/js/ion.rangeSlider.min.js
  20. // ==/UserScript==
  21. /* global jQuery, GM_addStyle, GM_getValue, GM_setValue, GM_xmlhttpRequest, GM_info */
  22. /* eslint-disable indent, quotes */
  23. (function($) {
  24.   'use strict';
  25.  
  26.   var ghe = {
  27.  
  28.     version : GM_info.script.version,
  29.  
  30.     vars : {
  31.       // delay until package.json allowed to load
  32.       delay : 8.64e7, // 24 hours in milliseconds
  33.  
  34.       // base url to fetch package.json
  35.       root : 'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/',
  36.       emojiClass : 'ghe-custom-emoji',
  37.       emojiTxtTemplate : '~${name}',
  38.       emojiImgTemplate : ':_${name}:',
  39.       maxEmojiZoom : 3,
  40.       maxEmojiHeight : 150,
  41.  
  42.       // Keyboard shortcut to open panel
  43.       keyboardOpen : 'g+=',
  44.       keyboardDelay : 1000
  45.     },
  46.  
  47.     regex : {
  48.       // nodes to skip while traversing the dom
  49.       skipElm    : /^(script|style|svg|iframe|br|meta|link|textarea|input|code|pre)$/i,
  50.       // emoji template
  51.       template   : /\$\{name\}/,
  52.       // character to escape in regex
  53.       charsToEsc : /[-\/\\^$*+?.()|[\]{}]/g
  54.     },
  55.  
  56.     defaults : {
  57.       activeZoom    : 1.8,
  58.       caseSensitive : false,
  59.       rangeHeight   : '20;40', // min;max as set by ion.rangeSlider
  60.       insertAsImage : false,
  61.       // emoji json sources
  62.       sources : [
  63.         'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/collections/emoji-custom.json',
  64.         'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/collections/emoji-crazy-rabbit.json',
  65.         'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/collections/emoji-onion-head.json',
  66.         'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/collections/emoji-unicode.json',
  67.         'https://raw.githubusercontent.com/StylishThemes/GitHub-Custom-Emojis/master/collections/emoji-custom-text.json'
  68.       ]
  69.     },
  70.  
  71.     // emoji json stored here
  72.     collections : {},
  73.  
  74.     // GitHub ajax containers
  75.     containers : [
  76.       '#js-pjax-container',
  77.       '#js-repo-pjax-container',
  78.       '.js-contribution-activity',
  79.       '.more-repos', // loading "more" of "Your repositories"
  80.       '#dashboard .news', // loading "more" news
  81.       '.js-preview-body' // comment previews
  82.     ],
  83.  
  84.     // promises used when loading JSON
  85.     promises : {},
  86.  
  87.     getStoredValues : function() {
  88.       var defaults = this.defaults;
  89.       this.settings = {
  90.         rangeHeight   : GM_getValue('rangeHeight',   defaults.rangeHeight),
  91.         activeZoom    : GM_getValue('activeZoom',    defaults.activeZoom),
  92.         caseSensitive : GM_getValue('caseSensitive', defaults.caseSensitive),
  93.         insertAsImage : GM_getValue('insertAsImage', defaults.insertAsImage),
  94.         sources       : GM_getValue('sources',       defaults.sources),
  95.  
  96.         date          : GM_getValue('date', 0)
  97.       };
  98.  
  99.       this.collections = GM_getValue('collections', {});
  100.  
  101.       debug('Retrieved stored values & collections', this.settings, this.collections);
  102.     },
  103.  
  104.     storeVal : function(key, set, $el) {
  105.       var tmp,
  106.         val = set[key];
  107.       GM_setValue(key, val);
  108.       if (typeof val === 'boolean') {
  109.         $el.prop('checked', val);
  110.       } else {
  111.         $el.val(val);
  112.       }
  113.       // update sliders
  114.       if ($el.hasClass('ghe-height')) {
  115.         tmp = val.split(';');
  116.         $el.data('ionRangeSlider').update({
  117.           from: tmp[0],
  118.           to: tmp[1]
  119.         });
  120.       } else if ($el.hasClass('ghe-zoom')) {
  121.         $el.data('ionRangeSlider').update({
  122.           from: val
  123.         });
  124.       }
  125.     },
  126.  
  127.     setStoredValues : function(reset) {
  128.       var $el, tmp, len, indx,
  129.         s = ghe.settings,
  130.         d = ghe.defaults,
  131.         $panel = $('#ghe-settings-inner');
  132.  
  133.       ghe.busy = true;
  134.       ghe.storeVal('caseSensitive', reset ? d : s, $panel.find('.ghe-case'));
  135.       ghe.storeVal('insertAsImage', reset ? d : s, $panel.find('.ghe-image'));
  136.       ghe.storeVal('activeZoom',    reset ? d : s, $panel.find('.ghe-zoom'));
  137.       ghe.storeVal('rangeHeight',   reset ? d : s, $panel.find('.ghe-height'));
  138.  
  139.       GM_setValue('collections', this.collections);
  140.       GM_setValue('date', s.date);
  141.  
  142.       if (reset) {
  143.         // add defaults back into source list; but don't remove any new stuff
  144.         len = d.sources.length;
  145.         for (indx = 0; indx < len; indx++) {
  146.           if (s.sources.indexOf(d.sources[indx]) < 0) {
  147.             s.sources[s.sources.length] = d.sources[indx];
  148.           }
  149.         }
  150.       } else if (reset === false) {
  151.         // Refresh sources, so clear out collections
  152.         this.collections = {};
  153.       }
  154.       tmp = s.sources;
  155.       len = tmp.length;
  156.       GM_setValue('sources', tmp);
  157.       for (indx = 0; indx < len; indx++) {
  158.         if ($panel.find('.ghe-source').eq(indx).length) {
  159.           $el = $panel
  160.             .find('.ghe-source-input')
  161.             .eq(indx)
  162.             .attr('data-url', tmp[indx]);
  163.         } else {
  164.           $el = $(ghe.sourceHTML)
  165.             .appendTo($panel.find('.ghe-sources'))
  166.             .find('.ghe-source-input')
  167.             .attr('data-url', tmp[indx]);
  168.         }
  169.         // only show file name when not focused
  170.         ghe.showFileName($el);
  171.       }
  172.       // remove extras
  173.       $panel.find('.ghe-source').filter(':gt(' + len + ')').remove();
  174.       if (reset) {
  175.         this.updateSettings();
  176.       }
  177.       if (typeof reset === 'boolean') {
  178.         // reset autocomplete after refresh or restore so we're using the
  179.         // most up-to-date collection data
  180.         $('.comment-form-textarea').atwho('destroy');
  181.       }
  182.       debug((reset ? 'Resetting' : 'Saving') + ' current values & updating panel', s);
  183.       ghe.busy = false;
  184.     },
  185.  
  186.     updateSettings : function() {
  187.       this.isUpdating = true;
  188.       var settings = this.settings,
  189.         $panel = $('#ghe-settings-inner');
  190.       settings.rangeHeight   = $panel.find('.ghe-height').val();
  191.       settings.activeZoom    = $panel.find('.ghe-zoom').val();
  192.       settings.insertAsImage = $panel.find('.ghe-image').is(':checked');
  193.       settings.caseSensitive = $panel.find('.ghe-case').is(':checked');
  194.       settings.sources = $panel.find('.ghe-source-input').map(function() {
  195.         return $(this).attr('data-url');
  196.       }).get();
  197.  
  198.       // update case-sensitive regex
  199.       this.setRegex();
  200.  
  201.       debug('Updating user settings', settings);
  202.       this.updateStyleSheet();
  203.       this.isUpdating = false;
  204.     },
  205.  
  206.     loadEmojiJson : function(update) {
  207.       // only load emoji.json once a day, or after a forced update
  208.       if (update || (new Date().getTime() > this.settings.date + this.vars.delay)) {
  209.         var indx,
  210.           promises = [],
  211.           sources = this.settings.sources,
  212.           len = sources.length;
  213.         for (indx = 0; indx < len; indx++) {
  214.           promises[promises.length] = this.fetchCustomEmojis(sources[indx]);
  215.         }
  216.         $.when.apply(null, promises).done(function() {
  217.           ghe.checkPage();
  218.           ghe.promises = [];
  219.           ghe.settings.date = new Date().getTime();
  220.           GM_setValue('date', ghe.settings.date);
  221.           GM_setValue('collections', ghe.collections);
  222.         });
  223.       }
  224.     },
  225.  
  226.     fetchCustomEmojis : function(url) {
  227.       if (!this.promises[url]) {
  228.         this.promises[url] = $.Deferred(function(defer) {
  229.           debug('Fetching custom emoji list', url);
  230.           GM_xmlhttpRequest({
  231.             method : 'GET',
  232.             url : url,
  233.             onload : function(response) {
  234.               var json = false;
  235.               try {
  236.                 json = JSON.parse(response.responseText);
  237.               } catch (err) {
  238.                 debug('Invalid JSON', url);
  239.                 return defer.reject();
  240.               }
  241.               if (json && json[0].name) {
  242.                 // save url to make removing the entry easier
  243.                 json[0].url = url;
  244.                 ghe.collections[json[0].name] = json;
  245.                 debug('Adding "' + json[0].name + '" Emoji Collection');
  246.               }
  247.               return defer.resolve();
  248.             }
  249.           });
  250.         }).promise();
  251.       }
  252.       return this.promises[url];
  253.     },
  254.  
  255.     // Using: document.evaluate('//*[text()[contains(.,":_")]]', document.body, null,
  256.     //   XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null).snapshotItem(0);
  257.     // to find matching content as it is much faster than scanning each node
  258.     checkPage : function() {
  259.       this.isUpdating = true;
  260.       var node,
  261.         indx = 0,
  262.         parts = this.vars.emojiImgTemplate.split('${name}'), // parts = [':_', ':']
  263.         // adding "//" starts from document, so if node is defined, don't
  264.         // include it so the search starts from the node
  265.         path = '//*[text()[contains(.,"' + parts[0] + '")]]',
  266.         nodes = document.evaluate(path, document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null),
  267.         len = nodes.snapshotLength;
  268.       try {
  269.         node = nodes.snapshotItem(indx);
  270.         while (node && indx++ < len) {
  271.           if (!ghe.regex.skipElm.test(node.nodeName)) {
  272.             ghe.findEmoji(node);
  273.           }
  274.           node = nodes.snapshotItem(indx);
  275.         }
  276.       } catch (e) {
  277.         debug('Nothing to replace!', e);
  278.       }
  279.       this.isUpdating = false;
  280.     },
  281.  
  282.     findEmoji : function(node) {
  283.       var indx, len, group, match, matchesLen, name,
  284.         regex = ghe.regex.nameRegex,
  285.         matches = [],
  286.         emojis = this.collections,
  287.         str = node.textContent;
  288.       while ((match = regex.exec(str)) !== null) {
  289.         matches[matches.length] = match[1];
  290.       }
  291.       if (matches && matches[0]) {
  292.         matchesLen = matches.length;
  293.         for (group in emojis) {
  294.           // cycle through the collections (except text type)
  295.           if (emojis.hasOwnProperty(group) && emojis[group][0].type !== 'text') {
  296.             len = emojis[group].length;
  297.             for (indx = 1; indx < len; indx++) {
  298.               name = emojis[group][indx].name;
  299.               for (match = 0; match < matchesLen; match++) {
  300.                 if (name === matches[match]) {
  301.                   debug('found "' + matches[match] + '" in "' + node.textContent + '"');
  302.                   ghe.replaceText(node, emojis[group][indx]);
  303.                 }
  304.               }
  305.             }
  306.           }
  307.         }
  308.       }
  309.     },
  310.  
  311.     replaceText : function(node, emoji) {
  312.       var data, pos, imgnode, middlebit, endbit,
  313.         isCased = this.settings.caseSensitive,
  314.         name = this.vars.emojiImgTemplate.replace(ghe.regex.template, emoji.name),
  315.         skip = 0;
  316.       name = isCased ? name : name.toUpperCase();
  317.       // Code modified from highlight-5 (MIT license)
  318.       // http://johannburkard.de/blog/programming/javascript/highlight-javascript-text-higlighting-jquery-plugin.html
  319.       if (node.nodeType === 3) {
  320.         data = isCased ? node.data : node.data.toUpperCase();
  321.         pos = data.indexOf(name);
  322.         pos -= (data.substr(0, pos).length - node.data.substr(0, pos).length);
  323.         if (pos >= 0) {
  324.           imgnode = ghe.createEmoji(emoji);
  325.           middlebit = node.splitText(pos);
  326.           endbit = middlebit.splitText(name.length);
  327.           middlebit.parentNode.replaceChild(imgnode, middlebit);
  328.           skip = 1;
  329.         }
  330.       } else if (node.nodeType === 1 && node.childNodes) {
  331.         for (var i = 0; i < node.childNodes.length; ++i) {
  332.           i += ghe.replaceText(node.childNodes[i], emoji);
  333.         }
  334.       }
  335.       return skip;
  336.     },
  337.  
  338.     // This function does the surrounding for every matched piece of text
  339.     // and can be customized  to do what you like
  340.     // <img class="emoji" title=":smile:" alt=":smile:" src="x.png" height="20" width="20" align="absmiddle">
  341.     createEmoji : function(emoji) {
  342.       var el = document.createElement('img');
  343.       el.src = emoji.url;
  344.       el.className = ghe.vars.emojiClass + ' emoji';
  345.       el.title = el.alt = ghe.vars.emojiImgTemplate.replace(ghe.regex.template, emoji.name);
  346.       // el.align = 'absmiddle'; // deprecated attribute
  347.       return el;
  348.     },
  349.  
  350.     // used by autocomplete (atwho) filter function
  351.     matches : function(query, labels) {
  352.       if (query === '') {
  353.         return 1;
  354.       }
  355.       labels = labels || '';
  356.       var i, partial,
  357.         count = 0,
  358.         isCS = this.settings.caseSensitive,
  359.         arry = (isCS ? labels : labels.toUpperCase()).split(/[\s,_]+/),
  360.         parts = (isCS ? query : query.toUpperCase()).split(/[,_]/),
  361.         len = parts.length;
  362.       for (i = 0; i < len; i++) {
  363.         // full match or partial
  364.         partial = arry.join('_').indexOf(parts.join('_'));
  365.         if (arry.indexOf(parts[i]) > -1 || partial > -1) {
  366.           count++;
  367.         }
  368.         // give more weight to results with indexOf closer to zero
  369.         if (partial > -1 && partial < len / 2) {
  370.           count++;
  371.         }
  372.       }
  373.       // return fraction of query matches
  374.       return count / len;
  375.     },
  376.  
  377.     emojiSort : function(a, b) {
  378.       return a.name > b.name ? 1 : a.name < b.name ? -1 : 0;
  379.     },
  380.  
  381.     // init when comment textarea is focused
  382.     initAutocomplete : function($el) {
  383.       if (!$el.data('atwho')) {
  384.         var indx, imgLen, txtLen, name, group,
  385.           text = [],
  386.           data = [];
  387.         // combine data
  388.         for (name in ghe.collections) {
  389.           if (ghe.collections.hasOwnProperty(name)) {
  390.             group = ghe.collections[name].slice(1);
  391.             if (ghe.collections[name][0].type === 'text') {
  392.               text = text.concat(group);
  393.             } else {
  394.               data = data.concat(group);
  395.             }
  396.           }
  397.         }
  398.         imgLen = data.length;
  399.         if (imgLen) {
  400.           // alphabetic sort
  401.           data = data.sort(ghe.emojiSort);
  402.           // add prepend name to labels
  403.           for (indx = 0; indx < imgLen; indx++) {
  404.             data[indx].labels = data[indx].name.replace(/_/g, ' ') + ' ' + data[indx].labels;
  405.           }
  406.           // add emoji autocomplete to comment textareas
  407.           $el.atwho({
  408.             // first two characters from emojiImgTemplate
  409.             at : ghe.vars.emojiImgTemplate.split('${name}')[0],
  410.             data : data,
  411.             searchKey: 'labels',
  412.             displayTpl : '<li><span><img src="${url}" height="30" /></span>${name}</li>',
  413.             insertTpl : ghe.vars.emojiImgTemplate,
  414.             delay : 400,
  415.             callbacks : {
  416.               matcher: function(flag, subtext) {
  417.                 var regexp = ghe.regex.emojiImgFilter,
  418.                   match = regexp.exec(subtext);
  419.                 // this next line does some magic...
  420.                 // for some reason, without it, moving the caret from "p" to "r" in
  421.                 // ":_people,fear," opens & closes the popup with each letter typed
  422.                 subtext.match(regexp);
  423.                 if (match) {
  424.                   return match[2] || match[1];
  425.                 } else {
  426.                   return null;
  427.                 }
  428.               },
  429.               filter: function(query, data, searchKey) {
  430.                 var i, item,
  431.                   len = data.length,
  432.                   _results = [];
  433.                 for (i = 0; i < len; i++) {
  434.                   item = data[i];
  435.                   item.atwho_order = ghe.matches(query, item[searchKey]);
  436.                   if (item.atwho_order > 0.9) {
  437.                     _results[_results.length] = item;
  438.                   }
  439.                 }
  440.                 return query === '' ? _results : _results.sort(function(a, b) {
  441.                   // descending sort
  442.                   return b.atwho_order - a.atwho_order;
  443.                 });
  444.               },
  445.               sorter: function(query, items) {
  446.                 // sorted by filter
  447.                 return items;
  448.               },
  449.               // event parameter adding in atwho.js mod
  450.               beforeInsert: function(value, $li, event) {
  451.                 if (event.shiftKey || ghe.settings.insertAsImage) {
  452.                   // add image tag directly if shift is held
  453.                   return '<img title="' +
  454.                     ghe.vars.emojiImgTemplate.replace(ghe.regex.template, $li.text()) +
  455.                     '" src="' + $li.find('img').attr('src') + '">';
  456.                 }
  457.                 return value;
  458.               }
  459.             }
  460.           });
  461.         }
  462.  
  463.         txtLen = text.length;
  464.         if (txtLen) {
  465.           // alphabetic sort
  466.           text = text.sort(ghe.emojiSort);
  467.           $el.atwho({
  468.             at : ghe.vars.emojiTxtTemplate.split('${name}')[0],
  469.             data : text,
  470.             searchKey: 'name',
  471.             // add data-emoji because of Emoji-One Chrome extension adds
  472.             // hidden text and an svg image inside the span
  473.             displayTpl : '<li data-emoji="${text}"><span class="ghe-text">${text}</span>${name}</li>',
  474.             insertTpl : ghe.vars.emojiTxtTemplate,
  475.             delay : 400,
  476.             callbacks : {
  477.               matcher: function(flag, subtext) {
  478.                 var regexp = ghe.regex.emojiTxtFilter,
  479.                   match = regexp.exec(subtext);
  480.                 // this next line does some magic...
  481.                 subtext.match(regexp);
  482.                 if (match) {
  483.                   return match[2] || match[1];
  484.                 } else {
  485.                   return null;
  486.                 }
  487.               },
  488.               filter: function(query, data, searchKey) {
  489.                 var i, item,
  490.                   len = data.length,
  491.                   _results = [];
  492.                 for (i = 0; i < len; i++) {
  493.                   item = data[i];
  494.                   item.atwho_order = ghe.matches(query, item[searchKey]);
  495.                   if (item.atwho_order > 0.9) {
  496.                     _results[_results.length] = item;
  497.                   }
  498.                 }
  499.                 return query === '' ? _results : _results.sort(function(a, b) {
  500.                   // descending sort
  501.                   return b.atwho_order - a.atwho_order;
  502.                 });
  503.               },
  504.               sorter: function(query, items) {
  505.                 // sorted by filter
  506.                 return items;
  507.               },
  508.               // event parameter adding in atwho.js mod
  509.               beforeInsert: function(value, $li, event) {
  510.                 return $li.attr('data-emoji');
  511.               }
  512.             }
  513.           });
  514.         }
  515.         // use classes from GitHub-Dark to make theme match GitHub-Dark
  516.         $('.atwho-view').addClass('popover suggester');
  517.       }
  518.     },
  519.  
  520.     addToolbarIcon : function() {
  521.       // add Emoji setting icons
  522.       var indx, $el,
  523.         $toolbars = $('.toolbar-commenting'),
  524.         len = $toolbars.length;
  525.       for (indx = 0; indx < len; indx++) {
  526.         $el = $toolbars.eq(indx);
  527.         if (!$el.find('.ghe-settings-icon').length) {
  528.           $el.prepend([
  529.             '<button type="button" class="ghe-settings-open toolbar-item tooltipped tooltipped-n tooltipped-multiline" aria-label="Browse collections & Set Emojis Options" tabindex="-1">',
  530.               '<svg class="ghe-settings-icon" xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 18 18" fill="none" stroke="currentColor">',
  531.                 '<path d="M7.205 3.233c0 .952-.753 1.73-1.722 1.73-.953 0-1.707-.793-1.707-1.73 0-.937.762-1.73 1.707-1.73.97 0 1.73.793 1.73 1.73h-.008zm6.904 0c0 .952-.794 1.73-1.747 1.73-.95 0-1.722-.793-1.722-1.73 0-.937.795-1.73 1.73-1.73.938 0 1.747.793 1.747 1.73h-.008zM7.204 10.1v5.19c0 1.728 6.904 1.728 6.904 0V10.1M10.642 10.1v3.46"/>',
  532.                 '<path d="M.878 8.777s3.167 1.893 8.002 1.92c4.365.02 8.135-1.92 8.135-1.92"/>',
  533.               '</svg>',
  534.             '</button>'
  535.           ].join(''));
  536.         }
  537.       }
  538.     },
  539.  
  540.     // dynamic stylesheet
  541.     updateStyleSheet : function() {
  542.       var range = this.settings.rangeHeight.split(';');
  543.       ghe.$style.text([
  544.         // img styling - vertically center with set height range
  545.         '.atwho-view li img, #ghe-popup .select-menu-item img, img[alt="ghe-emoji"], .' +
  546.           this.vars.emojiClass + ' { ' +
  547.           'margin-bottom:.25em; vertical-align:middle; ' +
  548.           'min-height: ' + (range[0] || 'none') + 'px;' +
  549.           'max-height: ' + (range[1] || 'none') + 'px }',
  550.         // click (make active) on image to zoom
  551.         '.' + this.vars.emojiClass + ':active, a:active img[alt="ghe-emoji"] { zoom:' +
  552.           this.settings.activeZoom + ' }'
  553.       ].join(''));
  554.     },
  555.  
  556.     addBindings : function() {
  557.       var lastKey,
  558.         $popup = $('#ghe-popup'),
  559.         $settings = $('#ghe-settings');
  560.       // Delegated bindings
  561.       $('body')
  562.         .on('click', '.ghe-settings-open', function() {
  563.           // open all collections panel
  564.           ghe.openCollections($(this));
  565.           return false;
  566.         })
  567.         .on('click', '.ghe-collection', function() {
  568.           // open targeted collection
  569.           var name = $(this).attr('data-group');
  570.           ghe.showCollection(name);
  571.         })
  572.         .on('click', '.ghe-emoji', function(e) {
  573.           // click on emoji in collection to add to textarea
  574.           ghe.addEmoji(e, $(this));
  575.         })
  576.         .on('click keypress keydown', function(e) {
  577.           clearTimeout(ghe.timer);
  578.           var panelVisible = $popup.hasClass('in') || $settings.hasClass('in'),
  579.             openPanel = ghe.vars.keyboardOpen.split('+'),
  580.             key = String.fromCharCode(e.which).toLowerCase();
  581.           // press escape or click outside to close the panel
  582.           if (panelVisible && e.which === 27 || e.type === 'click' && !$(e.target).closest('#ghe-wrapper').length) {
  583.             ghe.closePanels();
  584.             return;
  585.           }
  586.           // keydown is only needed for escape key detection
  587.           if (e.type === 'keydown' || /(input|textarea)/i.test(document.activeElement.nodeName)) {
  588.             return;
  589.           }
  590.           // shortcut keys need keypress
  591.           if (lastKey === openPanel[0] && key === openPanel[1]) {
  592.             if ($settings.hasClass('in')) {
  593.               ghe.closePanels();
  594.             } else {
  595.               ghe.openSettings();
  596.             }
  597.           }
  598.           lastKey = key;
  599.           ghe.timer = setTimeout(function() {
  600.             lastKey = null;
  601.           }, ghe.vars.keyboardDelay);
  602.  
  603.           // add shortcut to help menu
  604.           if (key === '?') {
  605.             // table doesn't exist until user presses "?"
  606.             setTimeout(function() {
  607.               if (!$('.ghe-shortcut').length) {
  608.                 $('.keyboard-mappings:eq(0) tbody:eq(0)').append([
  609.                   '<tr class="ghe-shortcut">',
  610.                     '<td class="keys">',
  611.                       '<kbd>' + openPanel[0] + '</kbd> <kbd>' + openPanel[1] + '</kbd>',
  612.                     '</td>',
  613.                     '<td>GitHub Emojis: open settings</td>',
  614.                   '</tr>'
  615.                 ].join(''));
  616.               }
  617.             }, 300);
  618.           }
  619.         });
  620.  
  621.       // popup & settings interactions
  622.       $('#ghe-popup .octicon-gear').on('click keyup', function(e) {
  623.         if (e.type === 'keyup' && e.which !== 13) {
  624.           return;
  625.         }
  626.         ghe.openSettings();
  627.       });
  628.       $('#ghe-settings, #ghe-settings-close, #ghe-settings-inner').on('click', function(e) {
  629.         if (this.id === 'ghe-settings-inner') {
  630.           e.stopPropagation();
  631.         } else {
  632.           ghe.closePanels();
  633.         }
  634.       });
  635.       // ghe-checkbox added to checkboxes
  636.       $('.ghe-checkbox').on('change', function() {
  637.         ghe.updateSettings();
  638.       });
  639.       // go back - switch from single collection to showing all collections
  640.       $('#ghe-popup .ghe-back').on('click', function() {
  641.         $('.ghe-single-collection, .ghe-back').hide();
  642.         $('.ghe-all-collections').show();
  643.       });
  644.  
  645.       // add new source input
  646.       $('#ghe-add-source').on('click', function() {
  647.         var $panel = $('#ghe-settings-inner');
  648.         // lets not get crazy!
  649.         if ($panel.find('.ghe-source').length < 20) {
  650.           $(ghe.sourceHTML).appendTo($panel.find('.ghe-sources'));
  651.         }
  652.         return false;
  653.       });
  654.       $('#ghe-refresh-sources, #ghe-restore').on('click', function() {
  655.         // update sources from settings panel
  656.         ghe.setStoredValues(this.id === 'ghe-restore');
  657.         // load json files
  658.         ghe.loadEmojiJson(true);
  659.         return false;
  660.       });
  661.  
  662.       // Init range slider
  663.       $('.ghe-height')
  664.         .val(ghe.settings.rangeHeight)
  665.         .ionRangeSlider({
  666.           type : 'double',
  667.           min  : 0,
  668.           max  : ghe.vars.maxEmojiHeight,
  669.           onChange : function() {
  670.             ghe.updateSettings();
  671.           },
  672.           force_edges : true,
  673.           hide_min_max : true
  674.         });
  675.       $('.ghe-zoom')
  676.         .val(ghe.settings.activeZoom)
  677.         .ionRangeSlider({
  678.           min  : 0,
  679.           max  : ghe.vars.maxEmojiZoom,
  680.           step : 0.1,
  681.           onChange : function() {
  682.             ghe.updateSettings();
  683.           },
  684.           force_edges : true,
  685.           hide_min_max : true
  686.         });
  687.  
  688.       // Remove source input - delegated binding
  689.       $('.ghe-settings-wrapper')
  690.         .on('click', '.ghe-remove', function() {
  691.           var $wrapper = $(this).closest('.ghe-source'),
  692.             url = $wrapper.find('.ghe-source-input').attr('data-url');
  693.           ghe.removeSource(url);
  694.           $wrapper.remove();
  695.           ghe.setStoredValues();
  696.           return false;
  697.         })
  698.         .on('focus blur input change', '.ghe-source-input', function(e) {
  699.           if (ghe.busy) { return; }
  700.           ghe.busy = true;
  701.           var val,
  702.             $this = $(this);
  703.           switch (e.type) {
  704.             case 'focus':
  705.             case 'focusin':
  706.               // show entire url when focused
  707.               $this.val($this.attr('data-url'));
  708.               break;
  709.             case 'blur':
  710.             case 'focusout':
  711.               ghe.showFileName($this);
  712.               break;
  713.             default:
  714.               $this.attr('data-url', $this.val());
  715.           }
  716.           if (e.type === 'change' || e.which === 13) {
  717.             val = $this.val();
  718.             $this.attr('data-url', val);
  719.             ghe.fetchCustomEmojis(val);
  720.           }
  721.           ghe.busy = false;
  722.         });
  723.  
  724.       // initialize autocomplete that add emojis, but only on focus
  725.       // since every comment has a hidden textarea
  726.       $('body').on('focus', '.comment-form-textarea', function() {
  727.         ghe.initAutocomplete($(this));
  728.       });
  729.     },
  730.  
  731.     showFileName : function($el) {
  732.       var str = $el.attr('data-url'),
  733.         v = str.substring(str.lastIndexOf('/') + 1, str.length);
  734.       // show only the file name in the input when blurred
  735.       // unless there is no file name
  736.       $el.val(v === '' ? str : '...' + v);
  737.     },
  738.  
  739.     closePanels : function() {
  740.       $('#ghe-popup').removeClass('in');
  741.       $('#ghe-settings').removeClass('in');
  742.       ghe.$currentInput = null;
  743.     },
  744.  
  745.     openSettings : function() {
  746.       $('.modal-backdrop').click();
  747.       $('#ghe-settings').addClass('in');
  748.     },
  749.  
  750.     openCollections : function($el) {
  751.       ghe.addCollections();
  752.       var pos = $el.offset();
  753.       $('#ghe-settings').removeClass('in');
  754.       $('#ghe-popup')
  755.         .addClass('in')
  756.         .css({
  757.           left: pos.left + 25,
  758.           top: pos.top
  759.         });
  760.       ghe.$currentInput = $el.closest('.previewable-comment-form').find('.comment-form-textarea');
  761.     },
  762.  
  763.     addCollections : function() {
  764.       var indx, len, key, group, item, emoji,
  765.         collections = ghe.collections,
  766.         range = ghe.settings.rangeHeight.split(';'),
  767.         list = [],
  768.         items = [];
  769.       // build collections list -
  770.       for (key in collections) {
  771.         if (collections.hasOwnProperty(key)) {
  772.           list[list.length] = key;
  773.         }
  774.       }
  775.       list = list.sort(function(a, b) {
  776.         return a > b ? 1 : (a < b ? -1 : 0);
  777.       });
  778.       len = list.length;
  779.       // add random image from group
  780.       for (indx = 0; indx < len; indx++) {
  781.         group = collections[list[indx]];
  782.         // random image (skip first entry)
  783.         item = Math.round(Math.random() * (group.length - 2)) + 1;
  784.         emoji = group[item];
  785.         items[items.length] = '<div class="select-menu-item js-navigation-item ghe-collection' +
  786.           (emoji.url ? '' : ' ghe-text-collection') +
  787.           '" data-group="' + list[indx] + '">' +
  788.           // collection info stored in first entry
  789.           group[0].name + ' <span class="ghe-right' +
  790.           (emoji.url ?
  791.             // images
  792.             '"><img src="' + emoji.url + '" title="' +
  793.             ghe.vars.emojiImgTemplate.replace(ghe.regex.template, emoji.name) + '" style="' +
  794.             'min-height:' + (range[0] || 'none') + 'px;' +
  795.             'max-height:' + (range[1] || 'none') + 'px;">' :
  796.             // text
  797.             ' ghe-text" title="' + emoji.name + '" style="font-size:' + group[0].previewSize +
  798.             '">' + emoji.text
  799.            ) + '</span></div>';
  800.       }
  801.       $('.ghe-single-collection, .ghe-back').hide();
  802.       $('.ghe-all-collections').html(items.join('')).show();
  803.     },
  804.  
  805.     showCollection : function(name) {
  806.       var indx, emoji,
  807.         range = ghe.settings.rangeHeight.split(';'),
  808.         group = ghe.collections[name].slice(1).sort(ghe.emojiSort),
  809.         list = [],
  810.         len = group.length;
  811.       for (indx = 1; indx < len; indx++) {
  812.         emoji = group[indx];
  813.         list[indx - 1] = '<div class="select-menu-item js-navigation-item ghe-emoji' +
  814.           (emoji.url ? '' : ' ghe-text-emoji') +
  815.           '" data-name="' + emoji.name + '">' +
  816.           emoji.name + '<span class="ghe-right' +
  817.           (emoji.url ?
  818.             // images
  819.             '"><img src="' + emoji.url + '" style="' +
  820.             'min-height:' + (range[0] || 'none') + 'px;' +
  821.             'max-height:' + (range[1] || 'none') + 'px">' :
  822.             // text type
  823.             ' ghe-text" style="font-size:' + ghe.collections[name][0].previewSize +
  824.             // data-emoji needed because Chrome emoji-one extension adds hidden
  825.             // text inside the span when it replaces the text with an svg
  826.             '" data-emoji="' + emoji.text + '">' + emoji.text
  827.           ) + '</span></div>';
  828.       }
  829.       $('.ghe-all-collections').hide();
  830.       $('.ghe-single-collection').html(list.join('')).show();
  831.       $('.ghe-back').show();
  832.     },
  833.  
  834.     // add emoji from collection
  835.     addEmoji : function(e, $el) {
  836.       var val, emoji,
  837.         $img = $el.find('img'),
  838.         name = $el.attr('data-name'),
  839.         caretPos = ghe.$currentInput.caret('pos');
  840.       if ($img.length) {
  841.         // insert into textarea
  842.         if (e.shiftKey || ghe.settings.insertAsImage) {
  843.           // add image tag directly if shift is held;
  844.           // GitHub does NOT allow class names so we are forced to use alt
  845.           emoji = '<img alt="ghe-emoji" title="' +
  846.             ghe.vars.emojiImgTemplate.replace(ghe.regex.template, name) +
  847.             '" src="' + $el.find('img').attr('src') + '">';
  848.         } else {
  849.           emoji = ghe.vars.emojiImgTemplate.replace(ghe.regex.template, name);
  850.         }
  851.       } else {
  852.         // insert text emoji
  853.         emoji = $el.find('span').attr('data-emoji');
  854.       }
  855.       val = ghe.$currentInput.val();
  856.       ghe.$currentInput
  857.         .val(val.slice(0, caretPos) + emoji + ' ' + val.slice(caretPos))
  858.         .focus()
  859.         .caret('pos', caretPos + emoji.length + 1);
  860.       ghe.closePanels();
  861.     },
  862.  
  863.     removeSource : function(url) {
  864.       var indx,
  865.         list = [],
  866.         collections = this.collections,
  867.         sources = this.settings.sources,
  868.         len = sources.length;
  869.       // remove from source
  870.       for (indx = 0; indx < len; indx++) {
  871.         if (sources[indx] !== url) {
  872.           list[list.length] = sources[indx];
  873.         }
  874.       }
  875.       this.settings.sources = list;
  876.       for (indx in collections) {
  877.         if (collections.hasOwnProperty(indx) && collections[indx][0].url === url) {
  878.           delete collections[indx];
  879.           debug('Removing "' + indx + '" collection', collections);
  880.         }
  881.       }
  882.     },
  883.  
  884.     update : function() {
  885.       this.isUpdating = true;
  886.       this.addToolbarIcon();
  887.       // checkPage clears isUpdating flag
  888.       this.checkPage();
  889.     },
  890.  
  891.     addPanels : function() {
  892.       /* https://github.com/ichord/At.js styles for autocomplete */
  893.       GM_addStyle([
  894.         // settings panel
  895.         '#ghe-menu:hover { cursor:pointer }',
  896.         '#ghe-settings { position:fixed; z-index:65535; top:0; bottom:0; left:0; right:0; opacity:0; visibility:hidden }',
  897.         '#ghe-settings.in { opacity:1; visibility:visible; background:rgba(0,0,0,.5) }',
  898.         '#ghe-settings-inner { position:fixed; left:50%; top:50%; transform:translate(-50%,-50%); width:25rem; box-shadow:0 .5rem 1rem #111; color:#c0c0c0 }',
  899.         '#ghe-settings label { margin-left:.5rem; position:relative; top:-1px }',
  900.         '#ghe-settings .ghe-remove { float:right; margin-top:2px; padding:4px; cursor:pointer }',
  901.         '#ghe-settings .ghe-remove-icon { position:relative; top:3px }',
  902.         '#ghe-settings-close { fill:#666; float:right; cursor:pointer }',
  903.         '#ghe-settings-close:hover { fill:#ccc }',
  904.         '#ghe-settings .ghe-settings-wrapper { max-height:60vh; overflow-y:auto; padding:1px 10px; margin-top:6px }',
  905.         '#ghe-settings .ghe-right, #ghe-popup .ghe-right { float:right }',
  906.         '#ghe-settings p { line-height:25px; }',
  907.         '#ghe-settings .checkbox input { margin-top:.35em }',
  908.         '#ghe-settings input[type="checkbox"] { width:16px !important; height:16px !important; border-radius:3px !important }',
  909.         '#ghe-settings .boxed-group-inner { padding:0; }',
  910.         '#ghe-settings .ghe-footer { padding: 10px; border-top: #555 solid 1px; }',
  911.         '#ghe-settings .ghe-min-height, #ghe-settings .ghe-max-height, .ghe-zoom { width: 5em; }',
  912.         '#ghe-settings .ghe-source-input { width: 90%; padding:3px; margin:3px 0; border-style:solid; border-width:1px }',
  913.         '#ghe-settings .ghe-slider-wrapper { height:40px; }',
  914.         '#ghe-settings .ghe-slider-wrapper label { position:relative; top:22px }',
  915.         '#ghe-settings .ghe-range-slider, #ghe-settings .ghe-zoom-slider { position:relative; height:40px; width:250px; float:right }',
  916.  
  917.         // show emoji collections
  918.         '#ghe-popup { display:none }',
  919.         '#ghe-popup .ghe-content, #ghe-popup .ghe-content > div { max-height: 200px }',
  920.         '#ghe-popup .octicon-gear { margin-left:4px }',
  921.         '#ghe-popup .ghe-back svg { height:20px; padding:4px 14px 4px 4px }',
  922.         '#ghe-popup .select-menu-item { font-size:1.1em; font-weight:bold; line-height:40px; padding:8px }',
  923.         '#ghe-popup .select-menu-item.ghe-text-emoji { line-height:inherit; position:relative; padding-right:45px }',
  924.         '#ghe-popup .select-menu-item.ghe-text-emoji .ghe-text { position:absolute; right:10px; top:0 }',
  925.         '#ghe-popup .select-menu-item .ghe-text, .atwho-view .ghe-text { font-size:1.6em }',
  926.         '.ghe-settings-icon, #ghe-popup.in { display:inline-block; vertical-align:middle }',
  927.  
  928.         // autocomplete popup in comment
  929.         '.atwho-view { position:absolute; top:0; left:0; display:none; margin-top:18px; border:1px solid #ddd; border-radius:3px; box-shadow:0 0 5px rgba(0,0,0,.1); min-width:300px; max-width:none!important; max-height:225px; overflow:auto; z-index:11110!important }',
  930.         '.atwho-view .cur { background:#36f; color:#fff }',
  931.         '.atwho-view .cur small { color:#fff }',
  932.         '.atwho-view strong { color:#36F }',
  933.         '.atwho-view .cur strong { color:#fff; font:700 }',
  934.         '.atwho-view ul { list-style:none; padding:0; margin:auto; max-height:200px; overflow-y:auto; }',
  935.         '.atwho-view ul li { display:block; padding:5px 10px; border-bottom:1px solid #ddd; cursor:pointer }',
  936.         '.atwho-view li span { display:inline-block; min-width:60px; padding-right:4px }',
  937.         '.atwho-view small { font-size:smaller; color:#777; font-weight:400 }',
  938.  
  939.         // rangeSlider
  940.         '.irs{position:relative;display:block;-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}',
  941.         '.irs-line{position:relative;display:block;overflow:hidden;outline:none !important}.irs-line-left,.irs-line-mid,.irs-line-right{position:absolute;display:block;top:0}',
  942.         '.irs-line-left{left:0;width:9%}.irs-line-mid{left:9%;width:82%}.irs-line-right{right:0;width:9%}.irs-bar{position:absolute;display:block;left:0;width:0}.irs-bar-edge{position:absolute;display:block;top:0;left:0}',
  943.         '.irs-shadow{position:absolute;display:none;left:0;width:0}.irs-slider{position:absolute;display:block;cursor:default;z-index:1}.irs-slider.type_last{z-index:2}.irs-min{position:absolute;display:block;left:0;cursor:default}',
  944.         '.irs-max{position:absolute;display:block;right:0;cursor:default}.irs-from,.irs-to,.irs-single{position:absolute;display:block;top:0;left:0;cursor:default;white-space:nowrap}.irs-grid{position:absolute;display:none;bottom:0;left:0;width:100%;height:20px}',
  945.         '.irs-with-grid .irs-grid{display:block}.irs-grid-pol{position:absolute;top:0;left:0;width:1px;height:8px;background:#000}.irs-grid-pol.small{height:4px}.irs-grid-text{position:absolute;bottom:0;left:0;white-space:nowrap;text-align:center;font-size:9px;line-height:9px;padding:0 3px;color:#000}',
  946.         '.irs-disable-mask{position:absolute;display:block;top:0;left:-1%;width:102%;height:100%;cursor:default;background:rgba(0,0,0,0.0);z-index:2}.lt-ie9 .irs-disable-mask{background:#000;filter:alpha(opacity=0);cursor:not-allowed}.irs-disabled{opacity:0.4}',
  947.         '.irs-hidden-input{position:absolute !important;display:block !important;top:0 !important;left:0 !important;width:0 !important;height:0 !important;font-size:0 !important;line-height:0 !important;padding:0 !important;margin:0 !important;outline:none !important;z-index:-9999 !important;background:none !important;border-style:solid !important;border-color:transparent !important}',
  948.         '.irs-line-mid,.irs-line-left,.irs-line-right,.irs-bar,.irs-bar-edge,.irs-slider{background:url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAQQAAAC0BAMAAACAm0/4AAAAHlBMVEUAAADh5OlIPakuJnU8MZzh5Onh5Onlt8BIPamDg6ND+SBkAAAACnRSTlMAgMzMzHlXE4oe0nCEQQAAAMJJREFUeNrt1qENAkEQhtENkBDkCtCECiiBFjCgEXgMDVwJVEzGQ7KnZnJ5r4JP7E7+1tNJkCBBgoSqCQAAjNg+e6rbq717snt79GSHdu3J9hVGfE8nIVR4jgU+ZYHTVOBAAwAw4pROggQJEiRUTQAAYMRuSl9Rn/whN+UnFJizEiQUSijwKQucpgIHGgCAQatjy7a5tJkkBAlBQpAQJAQJQUJYYkKByQIA/6zPbSYJQUKQECQECUFCkBAkhCUmAMAvX+TSxQIIIKq9AAAAAElFTkSuQmCC") repeat-x}',
  949.         '.irs{height:40px}.irs-with-grid{height:60px}.irs-line{height:12px;top:25px}.irs-line-left{height:12px;background-position:0 -30px}',
  950.         '.irs-line-mid{height:12px;background-position:0 0}.irs-line-right{height:12px;background-position:100% -30px}.irs-bar{height:12px;top:25px;background-position:0 -60px}',
  951.         '.irs-bar-edge{top:25px;height:12px;width:9px;background-position:0 -90px}.irs-shadow{height:3px;top:34px;background:#000;opacity:.25}',
  952.         '.lt-ie9 .irs-shadow{filter:alpha(opacity=25)}.irs-slider{width:16px;height:18px;top:22px;background-position:0 -120px}',
  953.         '.irs-slider.state_hover,.irs-slider:hover{background-position:0 -150px}.irs-min,.irs-max{color:#fff;font-size:10px;line-height:1.333;text-shadow:none;top:0;padding:1px 3px;background:#7D7E81;-moz-border-radius:4px;border-radius:4px}',
  954.         '.irs-from,.irs-to,.irs-single{color:#fff;font-size:10px;line-height:1.333;text-shadow:none;padding:1px 5px;background:#534AA1;-moz-border-radius:4px;border-radius:4px}',
  955.         '.irs-from:after,.irs-to:after,.irs-single:after{position:absolute;display:block;content:"";bottom:-6px;left:50%;width:0;height:0;margin-left:-3px;overflow:hidden;border:3px solid transparent;border-top-color:#534AA1}',
  956.         '.irs-grid-pol{background:#e1e4e9}.irs-grid-text{color:#999}'
  957.       ].join(''));
  958.  
  959.       // Settings panel markup
  960.       $('body').append([
  961.         '<div id="ghe-wrapper">',
  962.           '<div id="ghe-popup" class="select-menu-modal-holder js-menu-content js-navigation-container js-active-navigation-container">',
  963.             '<div class="select-menu-modal">',
  964.               '<div class="select-menu-header">',
  965.                 '<span class="select-menu-title">',
  966.                   '<text>Emoji Collections</text>',
  967.                   '<span class="octicon tooltipped tooltipped-w" aria-label="Change GitHub Custom Emoji Settings">',
  968.                     '<svg class="octicon-gear" viewBox="0 0 16 14" style="height: 16px; width: 14px;"><path d="M14 8.77V7.17l-1.94-0.64-0.45-1.09 0.88-1.84-1.13-1.13-1.81 0.91-1.09-0.45-0.69-1.92H6.17l-0.63 1.94-1.11 0.45-1.84-0.88-1.13 1.13 0.91 1.81-0.45 1.09L0 7.23v1.59l1.94 0.64 0.45 1.09-0.88 1.84 1.13 1.13 1.81-0.91 1.09 0.45 0.69 1.92h1.59l0.63-1.94 1.11-0.45 1.84 0.88 1.13-1.13-0.92-1.81 0.47-1.09 1.92-0.69zM7 11c-1.66 0-3-1.34-3-3s1.34-3 3-3 3 1.34 3 3-1.34 3-3 3z"/></svg>',
  969.                   '</span>',
  970.                   '<span class="octicon tooltipped tooltipped-w ghe-back" aria-label="Go back to see all collections">',
  971.                     '<svg xmlns="http://www.w3.org/2000/svg" width="6.5" height="10" viewBox="0 0 6.5 10"><path d="M5.008 0l1.497 1.504-3.76 3.49 3.743 3.51L4.984 10l-4.99-5.013L5.01 0z"/></svg>',
  972.                   '</span>',
  973.                 '</span>',
  974.               '</div>',
  975.               '<div class="js-select-menu-deferred-content ghe-content">',
  976.                 '<div class="select-menu-list ghe-all-collections"></div>',
  977.                 '<div class="select-menu-list ghe-single-collection"></div>',
  978.               '</div>',
  979.             '</div>',
  980.           '</div>',
  981.           '<div id="ghe-settings">',
  982.             '<div id="ghe-settings-inner" class="boxed-group">',
  983.               '<h3>GitHub Custom Emoji Settings',
  984.               '<svg id="ghe-settings-close" xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="160 160 608 608"><path d="M686.2 286.8L507.7 465.3l178.5 178.5-45 45-178.5-178.5-178.5 178.5-45-45 178.5-178.5-178.5-178.5 45-45 178.5 178.5 178.5-178.5z"/></svg>',
  985.               '</h3>',
  986.               '<div class="boxed-group-inner">',
  987.                 '<form>',
  988.                   '<div class="ghe-settings-wrapper">',
  989.                     '<p>',
  990.                       '<label>Insert as Image:',
  991.                         '<sup class="tooltipped tooltipped-e" aria-label="Or Shift + select the emoji">?</sup>',
  992.                         '<input class="ghe-image ghe-checkbox ghe-right" type="checkbox">',
  993.                       '</label>',
  994.                     '</p>',
  995.                     '<p class="checkbox">',
  996.                       '<label>Case Sensitive <input class="ghe-case ghe-checkbox ghe-right" type="checkbox"></label>',
  997.                     '</p>',
  998.                     '<div class="ghe-slider-wrapper">',
  999.                       '<div class="ghe-range-slider">',
  1000.                         '<input type="text" class="ghe-height" value="" />',
  1001.                       '</div>',
  1002.                       '<label>Emoji Height',
  1003.                         '<sup class="tooltipped tooltipped-e" aria-label="Set emoji minimum & maximum&#10;height in pixels">?</sup>',
  1004.                       '</label>',
  1005.                     '</div>',
  1006.                     '<div class="ghe-slider-wrapper">',
  1007.                       '<div class="ghe-zoom-slider">',
  1008.                         '<input class="ghe-zoom ghe-right" type="text">',
  1009.                       '</div>',
  1010.                       '<label>Emoji Zoom',
  1011.                         '<sup class="tooltipped tooltipped-e" aria-label="Set Emoji zoom factor&#10;while actively clicked">?</sup>',
  1012.                       '</label>',
  1013.                     '</div>',
  1014.                     '<p>',
  1015.                       '<hr>',
  1016.                       '<h3>Sources',
  1017.                         '<a href="https://github.com/StylishThemes/GitHub-Custom-Emojis/wiki/Add-Emojis" class="tooltipped tooltipped-e tooltipped-multiline" aria-label="Click to get more details on how to set up an Emoji source JSON file">',
  1018.                           '<sup>?</sup>',
  1019.                         '</a>',
  1020.                       '</h3>',
  1021.                       '<div class="ghe-sources"></div>',
  1022.                     '</p>',
  1023.                   '</div>',
  1024.                   '<div class="ghe-footer">',
  1025.                     '<div class="btn-group">',
  1026.                       '<a href="#" id="ghe-add-source" class="btn btn-sm">Add Source</a>',
  1027.                       '<a href="#" id="ghe-refresh-sources" class="btn btn-sm">Refresh Sources</a>&nbsp;',
  1028.                     '</div>',
  1029.                     '<a href="#" id="ghe-restore" class="btn btn-sm btn-danger tooltipped tooltipped-n ghe-right" aria-label="Default sources are restored;&#10;other source will remain">Restore Defaults</a>',
  1030.                   '</div>',
  1031.                 '</form>',
  1032.               '</div>',
  1033.             '</div>',
  1034.           '</div>',
  1035.         '</div>'
  1036.       ].join(''));
  1037.     },
  1038.  
  1039.     // JSON source inputs
  1040.     sourceHTML : [
  1041.       '<div class="ghe-source">',
  1042.         '<input class="ghe-source-input" type="text" value="" placeholder="Add JSON sources only">',
  1043.         '<a href="#" class="ghe-remove btn btn-sm btn-danger">',
  1044.           '<svg class="ghe-remove-icon" xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="160 160 608 608" fill="currentColor"><path d="M686.2 286.8L507.7 465.3l178.5 178.5-45 45-178.5-178.5-178.5 178.5-45-45 178.5-178.5-178.5-178.5 45-45 178.5 178.5 178.5-178.5z"/></svg>',
  1045.         '</a>',
  1046.       '</div>'
  1047.     ].join(''),
  1048.  
  1049.     setRegex : function() {
  1050.       var isCS = this.settings.caseSensitive,
  1051.         // parts = [':_', ':']
  1052.         imgParts = this.vars.emojiImgTemplate.split('${name}'),
  1053.         txtParts = this.vars.emojiTxtTemplate.split('${name}');
  1054.  
  1055.       // filter = /:_([a-zA-Z\u00c0-\u00ff0-9_,'.+-]*)$|:_([^\x00-\xff]*)$/gi
  1056.       // used by atwho.js autocomplete
  1057.       this.regex.emojiImgFilter = new RegExp(
  1058.         imgParts[0] + '([a-zA-Z\u00c0-\u00ff0-9_,\'\.\+\-]*)$|' +
  1059.         imgParts[0] + '([^\\x00-\\xff]*)$',
  1060.         (isCS ? 'g' : 'gi')
  1061.       );
  1062.  
  1063.       this.regex.emojiTxtFilter = new RegExp(
  1064.         txtParts[0] + '([a-zA-Z\u00c0-\u00ff0-9_,\'\.\+\-]*)$|' +
  1065.         txtParts[0] + '([^\\x00-\\xff]*)$',
  1066.         (isCS ? 'g' : 'gi')
  1067.       );
  1068.  
  1069.       // used by search & replace
  1070.       this.regex.nameRegex = new RegExp(
  1071.         imgParts[0] + '([\\w_]+)' + imgParts[1],
  1072.         (isCS ? 'g' : 'gi')
  1073.       );
  1074.     },
  1075.  
  1076.     init : function() {
  1077.       debug('GitHub-Emoji Script initializing!');
  1078.  
  1079.       // add style tag to head
  1080.       this.$style = $('<style class="ghe-style">').appendTo('head');
  1081.  
  1082.       this.getStoredValues();
  1083.       this.loadEmojiJson();
  1084.       this.updateStyleSheet();
  1085.       this.isUpdating = true;
  1086.       // regex based on case sensitive setting
  1087.       this.setRegex();
  1088.  
  1089.       var targets = document.querySelectorAll(this.containers.join(','));
  1090.       Array.prototype.forEach.call(targets, function(target) {
  1091.         new MutationObserver(function(mutations) {
  1092.           mutations.forEach(function(mutation) {
  1093.             // preform checks before adding code wrap to minimize function calls
  1094.             if (mutation.target === target && !$.isEmptyObject(ghe.collections) &&
  1095.               !(ghe.isUpdating || target.querySelector('.ghe-processed'))) {
  1096.               ghe.update();
  1097.             }
  1098.           });
  1099.         }).observe(target, {
  1100.           childList : true,
  1101.           subtree : true
  1102.         });
  1103.       });
  1104.  
  1105.       this.addPanels();
  1106.  
  1107.       // Add emoji autocomplete & watch for preview rendering
  1108.       this.addToolbarIcon();
  1109.       this.addBindings();
  1110.       // update panel values after bindings (rangeslider)
  1111.       this.setStoredValues();
  1112.  
  1113.       // checkPage clears isUpdating flag
  1114.       this.checkPage();
  1115.     }
  1116.   };
  1117.  
  1118.   // add style at document-start
  1119.   ghe.init();
  1120.  
  1121.   // include a "?debug" anywhere in the browser URL to enable debugging
  1122.   function debug() {
  1123.     if (/\?debug/.test(window.location.href)) {
  1124.       console.log.apply(console, arguments);
  1125.     }
  1126.   }
  1127. })(jQuery.noConflict(true));