Add Twitter Emoji to the editor

View Demo

1. Installing the JavaScript

Code:

(function() {
  var config = {
    button_title : 'Emojis',
    auto_close : false,
    async_load : true,
   
    emoji_size : 16, // 16, 36, or 72
    emoji_list : '\uD83D\uDE00 \uD83D\uDE01 \uD83D\uDE02 \uD83D\uDE03 \uD83D\uDE04 \uD83D\uDE05 \uD83D\uDE06 \uD83D\uDE09 \uD83D\uDE0A \uD83D\uDE0B \uD83D\uDE0E \uD83D\uDE0D \uD83D\uDE18 \uD83D\uDE17 \uD83D\uDE19 \uD83D\uDE1A \u263A\uFE0F \uD83D\uDE07 \uD83D\uDE10 \uD83D\uDE11 \uD83D\uDE36 \uD83D\uDE0F \uD83D\uDE23 \uD83D\uDE25 \uD83D\uDE2E \uD83D\uDE2F \uD83D\uDE2A \uD83D\uDE2B \uD83D\uDE34 \uD83D\uDE0C \uD83D\uDE1B \uD83D\uDE1C \uD83D\uDE1D \uD83D\uDE12 \uD83D\uDE13 \uD83D\uDE14 \uD83D\uDE15 \uD83D\uDE16 \uD83D\uDE37 \uD83D\uDE32 \uD83D\uDE1E \uD83D\uDE1F \uD83D\uDE24 \uD83D\uDE22 \uD83D\uDE2D \uD83D\uDE26 \uD83D\uDE27 \uD83D\uDE28 \uD83D\uDE29 \uD83D\uDE2C \uD83D\uDE30 \uD83D\uDE31 \uD83D\uDE33 \uD83D\uDE35 \uD83D\uDE21 \uD83D\uDE20 \uD83D\uDC7F \uD83D\uDE08 \uD83D\uDC66 \uD83D\uDC67 \uD83D\uDC68 \uD83D\uDC69 \uD83D\uDC74 \uD83D\uDC75 \uD83D\uDC76 \uD83D\uDC71 \uD83D\uDC6E \uD83D\uDC72 \uD83D\uDC73 \uD83D\uDC77 \uD83D\uDC78 \uD83D\uDC82 \uD83C\uDF85 \uD83D\uDC7C \uD83D\uDC6F \uD83D\uDC86 \uD83D\uDC87 \uD83D\uDC70 \uD83D\uDE4D \uD83D\uDE4E \uD83D\uDE45 \uD83D\uDE46 \uD83D\uDC81 \uD83D\uDE4B \uD83D\uDE47 \uD83D\uDE4C \uD83D\uDE4F \uD83D\uDC64 \uD83D\uDC65 \uD83D\uDEB6 \uD83C\uDFC3 \uD83D\uDC83 \uD83D\uDC8F \uD83D\uDC91 \uD83D\uDC6A \uD83D\uDC6B \uD83D\uDC6C \uD83D\uDC6D \uD83D\uDCAA \uD83D\uDC48 \uD83D\uDC49 \u261D\uFE0F \uD83D\uDC46 \uD83D\uDC47 \u270C\uFE0F \u270A \u270B \uD83D\uDC4A \uD83D\uDC4C \uD83D\uDC4D \uD83D\uDC4E \uD83D\uDC4B \uD83D\uDC4F \uD83D\uDC50 \uD83D\uDC85 \uD83D\uDC63 \uD83D\uDC40 \uD83D\uDC42 \uD83D\uDC43 \uD83D\uDC45 \uD83D\uDC44 \uD83D\uDC8B \uD83D\uDC98 \u2764\uFE0F \uD83D\uDC93 \uD83D\uDC94 \uD83D\uDC95 \uD83D\uDC96 \uD83D\uDC97 \uD83D\uDC99 \uD83D\uDC9A \uD83D\uDC9B \uD83D\uDC9C \uD83D\uDC9D \uD83D\uDC9E \uD83D\uDC9F \uD83D\uDC8C \uD83D\uDCA7 \uD83D\uDCA4 \uD83D\uDCA2 \uD83D\uDCA3 \uD83D\uDCA5 \uD83D\uDCA6 \uD83D\uDCA8 \uD83D\uDCAB \uD83D\uDCAC \uD83D\uDCAD \uD83D\uDC53 \uD83D\uDC54 \uD83D\uDC55 \uD83D\uDC56 \uD83D\uDC57 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\uD83C\uDDF1 \uD83C\uDDF2 \uD83C\uDDF3 \uD83C\uDDF4 \uD83C\uDDF5 \uD83C\uDDF6 \uD83C\uDDF7 \uD83C\uDDF8 \uD83C\uDDF9 \uD83C\uDDFA \uD83C\uDDFB \uD83C\uDDFC \uD83C\uDDFD \uD83C\uDDFE \uD83C\uDDFF'
  },
 
  script = document.createElement('SCRIPT');
  script.type = 'text/javascript';
  script.src = 'http://twemoji.maxcdn.com/twemoji.min.js';
 
  document.getElementsByTagName('HEAD')[0].appendChild(script);
  document.write('<style type="text/css">.sceditor-button-twemoji div{background:url(http://twemoji.maxcdn.com/16x16/1f600.png)!important}.sceditor-twemoji{width:220px;height:250px;overflow-y:auto}.sceditor-twemoji img{cursor:pointer;padding:3px}.sceditor-twemoji img:hover{opacity:.7}</style>');
 
  $(function(){
    if ($.sceditor) {
     
      // create sceditor button and drop down
      $.sceditor.command.set('twemoji', {
        dropDown : function(editor, caller, callback) {
         
          if (!fa_twemoji.element) {
            fa_twemoji.element = document.createElement('DIV');
            fa_twemoji.element.innerHTML = twemoji.parse(fa_twemoji.emoji_list, {
              size : fa_twemoji.emoji_size,
              attributes : function() {
                return {
                  style : 'display:none;'
                };
              }
            }).replace(/\s(?=<|$)/g, '');
           
            // load handler for images to lighten the deployment of emoji
            // it displays and loads one image at a time rather all at once which can make the browser unresponsive
            if (fa_twemoji.async_load) {
              fa_twemoji.image = {
                collection : $('img', fa_twemoji.element),
                index : 0,
                timeout : [0, 6000], // timeout after 6000 attempts on 1 image
             
                load : window.setInterval(function() {
                  if (fa_twemoji.image.collection[fa_twemoji.image.index].complete) {
                    fa_twemoji.image.index++;
                 
                    if (fa_twemoji.image.collection[fa_twemoji.image.index]) {
                      fa_twemoji.image.collection[fa_twemoji.image.index].style.display = '';
                      fa_twemoji.image.timeout[0] = 0;
                    } else {
                      window.clearInterval(fa_twemoji.image.load);
                      fa_twemoji.image.load = 'COMPLETE';
                    }
                 
                  } else if (++fa_twemoji.image.timeout[0] > fa_twemoji.image.timeout[1]) {
                    window.clearInterval(fa_twemoji.image.load);
                    fa_twemoji.image.load = 'ERROR';
                  }
                }, 10)
            };
           
            fa_twemoji.image.collection[fa_twemoji.image.index].style.display = ''; // start loading
            } else {
              $('img', fa_twemoji.element).show();
            }
          }
         
          $(fa_twemoji.element).click(function(e) {
            var target = e.target;
            if (target.tagName == 'IMG') {
              callback(target.src);
              fa_twemoji.auto_close && editor.closeDropDown(true);
            }
          });
         
          editor.createDropDown(caller, 'twemoji', fa_twemoji.element);
        },

        // wysiwyg
        exec : function(c) {
          var e = this;
          $.sceditor.command.get('twemoji').dropDown(e, c, function(icon) {
            e.insert('&nbsp;[img]' + icon + '[/img]&nbsp;', '', true, true, true);
          });
        },
   
        // source
        txtExec : function(c) {
          var e = this;
          $.sceditor.command.get('twemoji').dropDown(e, c, function(icon) {
            e.insert(' [img]' + icon + '[/img] ', '', true, true, true);
          });
        },
   
        tooltip : fa_twemoji.button_title
      });
 
      toolbar = toolbar.replace(/date,/,'twemoji,date,'); // add the button to the toolbar
    }
  });
 
  if (!window.fa_twemoji) {
    window.fa_twemoji = config;
  }
}());

2. Modifications