replace application.js sprockets output with webpack-generated equivalent

4 files changed, 2468 insertions, 0 deletions

diff --git a/vendor/assets/javascripts/jquery.atwho.js b/vendor/assets/javascripts/jquery.atwho.js
new file mode 100644
index 00000000000..0d295ebe5af
--- /dev/null
+++ b/vendor/assets/javascripts/jquery.atwho.js
@@ -0,0 +1,1202 @@
+/**
+ * at.js - 1.5.1
+ * Copyright (c) 2016 chord.luo <chord.luo@gmail.com>;
+ * Homepage: http://ichord.github.com/At.js
+ * License: MIT
+ */
+(function (root, factory) {
+  if (typeof define === 'function' && define.amd) {
+    // AMD. Register as an anonymous module unless amdModuleId is set
+    define(["jquery"], function (a0) {
+      return (factory(a0));
+    });
+  } else if (typeof exports === 'object') {
+    // Node. Does not work with strict CommonJS, but
+    // only CommonJS-like environments that support module.exports,
+    // like Node.
+    module.exports = factory(require("jquery"));
+  } else {
+    factory(jQuery);
+  }
+}(this, function ($) {
+var DEFAULT_CALLBACKS, KEY_CODE;
+
+KEY_CODE = {
+  DOWN: 40,
+  UP: 38,
+  ESC: 27,
+  TAB: 9,
+  ENTER: 13,
+  CTRL: 17,
+  A: 65,
+  P: 80,
+  N: 78,
+  LEFT: 37,
+  UP: 38,
+  RIGHT: 39,
+  DOWN: 40,
+  BACKSPACE: 8,
+  SPACE: 32
+};
+
+DEFAULT_CALLBACKS = {
+  beforeSave: function(data) {
+    return Controller.arrayToDefaultHash(data);
+  },
+  matcher: function(flag, subtext, should_startWithSpace, acceptSpaceBar) {
+    var _a, _y, match, regexp, space;
+    flag = flag.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
+    if (should_startWithSpace) {
+      flag = '(?:^|\\s)' + flag;
+    }
+    _a = decodeURI("%C3%80");
+    _y = decodeURI("%C3%BF");
+    space = acceptSpaceBar ? "\ " : "";
+    regexp = new RegExp(flag + "([A-Za-z" + _a + "-" + _y + "0-9_" + space + "\'\.\+\-]*)$|" + flag + "([^\\x00-\\xff]*)$", 'gi');
+    match = regexp.exec(subtext);
+    if (match) {
+      return match[2] || match[1];
+    } else {
+      return null;
+    }
+  },
+  filter: function(query, data, searchKey) {
+    var _results, i, item, len;
+    _results = [];
+    for (i = 0, len = data.length; i < len; i++) {
+      item = data[i];
+      if (~new String(item[searchKey]).toLowerCase().indexOf(query.toLowerCase())) {
+        _results.push(item);
+      }
+    }
+    return _results;
+  },
+  remoteFilter: null,
+  sorter: function(query, items, searchKey) {
+    var _results, i, item, len;
+    if (!query) {
+      return items;
+    }
+    _results = [];
+    for (i = 0, len = items.length; i < len; i++) {
+      item = items[i];
+      item.atwho_order = new String(item[searchKey]).toLowerCase().indexOf(query.toLowerCase());
+      if (item.atwho_order > -1) {
+        _results.push(item);
+      }
+    }
+    return _results.sort(function(a, b) {
+      return a.atwho_order - b.atwho_order;
+    });
+  },
+  tplEval: function(tpl, map) {
+    var error, error1, template;
+    template = tpl;
+    try {
+      if (typeof tpl !== 'string') {
+        template = tpl(map);
+      }
+      return template.replace(/\$\{([^\}]*)\}/g, function(tag, key, pos) {
+        return map[key];
+      });
+    } catch (error1) {
+      error = error1;
+      return "";
+    }
+  },
+  highlighter: function(li, query) {
+    var regexp;
+    if (!query) {
+      return li;
+    }
+    regexp = new RegExp(">\\s*(\\w*?)(" + query.replace("+", "\\+") + ")(\\w*)\\s*<", 'ig');
+    return li.replace(regexp, function(str, $1, $2, $3) {
+      return '> ' + $1 + '<strong>' + $2 + '</strong>' + $3 + ' <';
+    });
+  },
+  beforeInsert: function(value, $li, e) {
+    return value;
+  },
+  beforeReposition: function(offset) {
+    return offset;
+  },
+  afterMatchFailed: function(at, el) {}
+};
+
+var App;
+
+App = (function() {
+  function App(inputor) {
+    this.currentFlag = null;
+    this.controllers = {};
+    this.aliasMaps = {};
+    this.$inputor = $(inputor);
+    this.setupRootElement();
+    this.listen();
+  }
+
+  App.prototype.createContainer = function(doc) {
+    var ref;
+    if ((ref = this.$el) != null) {
+      ref.remove();
+    }
+    return $(doc.body).append(this.$el = $("<div class='atwho-container'></div>"));
+  };
+
+  App.prototype.setupRootElement = function(iframe, asRoot) {
+    var error, error1;
+    if (asRoot == null) {
+      asRoot = false;
+    }
+    if (iframe) {
+      this.window = iframe.contentWindow;
+      this.document = iframe.contentDocument || this.window.document;
+      this.iframe = iframe;
+    } else {
+      this.document = this.$inputor[0].ownerDocument;
+      this.window = this.document.defaultView || this.document.parentWindow;
+      try {
+        this.iframe = this.window.frameElement;
+      } catch (error1) {
+        error = error1;
+        this.iframe = null;
+        if ($.fn.atwho.debug) {
+          throw new Error("iframe auto-discovery is failed.\nPlease use `setIframe` to set the target iframe manually.\n" + error);
+        }
+      }
+    }
+    return this.createContainer((this.iframeAsRoot = asRoot) ? this.document : document);
+  };
+
+  App.prototype.controller = function(at) {
+    var c, current, currentFlag, ref;
+    if (this.aliasMaps[at]) {
+      current = this.controllers[this.aliasMaps[at]];
+    } else {
+      ref = this.controllers;
+      for (currentFlag in ref) {
+        c = ref[currentFlag];
+        if (currentFlag === at) {
+          current = c;
+          break;
+        }
+      }
+    }
+    if (current) {
+      return current;
+    } else {
+      return this.controllers[this.currentFlag];
+    }
+  };
+
+  App.prototype.setContextFor = function(at) {
+    this.currentFlag = at;
+    return this;
+  };
+
+  App.prototype.reg = function(flag, setting) {
+    var base, controller;
+    controller = (base = this.controllers)[flag] || (base[flag] = this.$inputor.is('[contentEditable]') ? new EditableController(this, flag) : new TextareaController(this, flag));
+    if (setting.alias) {
+      this.aliasMaps[setting.alias] = flag;
+    }
+    controller.init(setting);
+    return this;
+  };
+
+  App.prototype.listen = function() {
+    return this.$inputor.on('compositionstart', (function(_this) {
+      return function(e) {
+        var ref;
+        if ((ref = _this.controller()) != null) {
+          ref.view.hide();
+        }
+        _this.isComposing = true;
+        return null;
+      };
+    })(this)).on('compositionend', (function(_this) {
+      return function(e) {
+        _this.isComposing = false;
+        setTimeout(function(e) {
+          return _this.dispatch(e);
+        });
+        return null;
+      };
+    })(this)).on('keyup.atwhoInner', (function(_this) {
+      return function(e) {
+        return _this.onKeyup(e);
+      };
+    })(this)).on('keydown.atwhoInner', (function(_this) {
+      return function(e) {
+        return _this.onKeydown(e);
+      };
+    })(this)).on('blur.atwhoInner', (function(_this) {
+      return function(e) {
+        var c;
+        if (c = _this.controller()) {
+          c.expectedQueryCBId = null;
+          return c.view.hide(e, c.getOpt("displayTimeout"));
+        }
+      };
+    })(this)).on('click.atwhoInner', (function(_this) {
+      return function(e) {
+        return _this.dispatch(e);
+      };
+    })(this)).on('scroll.atwhoInner', (function(_this) {
+      return function() {
+        var lastScrollTop;
+        lastScrollTop = _this.$inputor.scrollTop();
+        return function(e) {
+          var currentScrollTop, ref;
+          currentScrollTop = e.target.scrollTop;
+          if (lastScrollTop !== currentScrollTop) {
+            if ((ref = _this.controller()) != null) {
+              ref.view.hide(e);
+            }
+          }
+          lastScrollTop = currentScrollTop;
+          return true;
+        };
+      };
+    })(this)());
+  };
+
+  App.prototype.shutdown = function() {
+    var _, c, ref;
+    ref = this.controllers;
+    for (_ in ref) {
+      c = ref[_];
+      c.destroy();
+      delete this.controllers[_];
+    }
+    this.$inputor.off('.atwhoInner');
+    return this.$el.remove();
+  };
+
+  App.prototype.dispatch = function(e) {
+    var _, c, ref, results;
+    ref = this.controllers;
+    results = [];
+    for (_ in ref) {
+      c = ref[_];
+      results.push(c.lookUp(e));
+    }
+    return results;
+  };
+
+  App.prototype.onKeyup = function(e) {
+    var ref;
+    switch (e.keyCode) {
+      case KEY_CODE.ESC:
+        e.preventDefault();
+        if ((ref = this.controller()) != null) {
+          ref.view.hide();
+        }
+        break;
+      case KEY_CODE.DOWN:
+      case KEY_CODE.UP:
+      case KEY_CODE.CTRL:
+      case KEY_CODE.ENTER:
+        $.noop();
+        break;
+      case KEY_CODE.P:
+      case KEY_CODE.N:
+        if (!e.ctrlKey) {
+          this.dispatch(e);
+        }
+        break;
+      default:
+        this.dispatch(e);
+    }
+  };
+
+  App.prototype.onKeydown = function(e) {
+    var ref, view;
+    view = (ref = this.controller()) != null ? ref.view : void 0;
+    if (!(view && view.visible())) {
+      return;
+    }
+    switch (e.keyCode) {
+      case KEY_CODE.ESC:
+        e.preventDefault();
+        view.hide(e);
+        break;
+      case KEY_CODE.UP:
+        e.preventDefault();
+        view.prev();
+        break;
+      case KEY_CODE.DOWN:
+        e.preventDefault();
+        view.next();
+        break;
+      case KEY_CODE.P:
+        if (!e.ctrlKey) {
+          return;
+        }
+        e.preventDefault();
+        view.prev();
+        break;
+      case KEY_CODE.N:
+        if (!e.ctrlKey) {
+          return;
+        }
+        e.preventDefault();
+        view.next();
+        break;
+      case KEY_CODE.TAB:
+      case KEY_CODE.ENTER:
+      case KEY_CODE.SPACE:
+        if (!view.visible()) {
+          return;
+        }
+        if (!this.controller().getOpt('spaceSelectsMatch') && e.keyCode === KEY_CODE.SPACE) {
+          return;
+        }
+        if (!this.controller().getOpt('tabSelectsMatch') && e.keyCode === KEY_CODE.TAB) {
+          return;
+        }
+        if (view.highlighted()) {
+          e.preventDefault();
+          view.choose(e);
+        } else {
+          view.hide(e);
+        }
+        break;
+      default:
+        $.noop();
+    }
+  };
+
+  return App;
+
+})();
+
+var Controller,
+  slice = [].slice;
+
+Controller = (function() {
+  Controller.prototype.uid = function() {
+    return (Math.random().toString(16) + "000000000").substr(2, 8) + (new Date().getTime());
+  };
+
+  function Controller(app, at1) {
+    this.app = app;
+    this.at = at1;
+    this.$inputor = this.app.$inputor;
+    this.id = this.$inputor[0].id || this.uid();
+    this.expectedQueryCBId = null;
+    this.setting = null;
+    this.query = null;
+    this.pos = 0;
+    this.range = null;
+    if ((this.$el = $("#atwho-ground-" + this.id, this.app.$el)).length === 0) {
+      this.app.$el.append(this.$el = $("<div id='atwho-ground-" + this.id + "'></div>"));
+    }
+    this.model = new Model(this);
+    this.view = new View(this);
+  }
+
+  Controller.prototype.init = function(setting) {
+    this.setting = $.extend({}, this.setting || $.fn.atwho["default"], setting);
+    this.view.init();
+    return this.model.reload(this.setting.data);
+  };
+
+  Controller.prototype.destroy = function() {
+    this.trigger('beforeDestroy');
+    this.model.destroy();
+    this.view.destroy();
+    return this.$el.remove();
+  };
+
+  Controller.prototype.callDefault = function() {
+    var args, error, error1, funcName;
+    funcName = arguments[0], args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
+    try {
+      return DEFAULT_CALLBACKS[funcName].apply(this, args);
+    } catch (error1) {
+      error = error1;
+      return $.error(error + " Or maybe At.js doesn't have function " + funcName);
+    }
+  };
+
+  Controller.prototype.trigger = function(name, data) {
+    var alias, eventName;
+    if (data == null) {
+      data = [];
+    }
+    data.push(this);
+    alias = this.getOpt('alias');
+    eventName = alias ? name + "-" + alias + ".atwho" : name + ".atwho";
+    return this.$inputor.trigger(eventName, data);
+  };
+
+  Controller.prototype.callbacks = function(funcName) {
+    return this.getOpt("callbacks")[funcName] || DEFAULT_CALLBACKS[funcName];
+  };
+
+  Controller.prototype.getOpt = function(at, default_value) {
+    var e, error1;
+    try {
+      return this.setting[at];
+    } catch (error1) {
+      e = error1;
+      return null;
+    }
+  };
+
+  Controller.prototype.insertContentFor = function($li) {
+    var data, tpl;
+    tpl = this.getOpt('insertTpl');
+    data = $.extend({}, $li.data('item-data'), {
+      'atwho-at': this.at
+    });
+    return this.callbacks("tplEval").call(this, tpl, data, "onInsert");
+  };
+
+  Controller.prototype.renderView = function(data) {
+    var searchKey;
+    searchKey = this.getOpt("searchKey");
+    data = this.callbacks("sorter").call(this, this.query.text, data.slice(0, 1001), searchKey);
+    return this.view.render(data.slice(0, this.getOpt('limit')));
+  };
+
+  Controller.arrayToDefaultHash = function(data) {
+    var i, item, len, results;
+    if (!$.isArray(data)) {
+      return data;
+    }
+    results = [];
+    for (i = 0, len = data.length; i < len; i++) {
+      item = data[i];
+      if ($.isPlainObject(item)) {
+        results.push(item);
+      } else {
+        results.push({
+          name: item
+        });
+      }
+    }
+    return results;
+  };
+
+  Controller.prototype.lookUp = function(e) {
+    var query, wait;
+    if (e && e.type === 'click' && !this.getOpt('lookUpOnClick')) {
+      return;
+    }
+    if (this.getOpt('suspendOnComposing') && this.app.isComposing) {
+      return;
+    }
+    query = this.catchQuery(e);
+    if (!query) {
+      this.expectedQueryCBId = null;
+      return query;
+    }
+    this.app.setContextFor(this.at);
+    if (wait = this.getOpt('delay')) {
+      this._delayLookUp(query, wait);
+    } else {
+      this._lookUp(query);
+    }
+    return query;
+  };
+
+  Controller.prototype._delayLookUp = function(query, wait) {
+    var now, remaining;
+    now = Date.now ? Date.now() : new Date().getTime();
+    this.previousCallTime || (this.previousCallTime = now);
+    remaining = wait - (now - this.previousCallTime);
+    if ((0 < remaining && remaining < wait)) {
+      this.previousCallTime = now;
+      this._stopDelayedCall();
+      return this.delayedCallTimeout = setTimeout((function(_this) {
+        return function() {
+          _this.previousCallTime = 0;
+          _this.delayedCallTimeout = null;
+          return _this._lookUp(query);
+        };
+      })(this), wait);
+    } else {
+      this._stopDelayedCall();
+      if (this.previousCallTime !== now) {
+        this.previousCallTime = 0;
+      }
+      return this._lookUp(query);
+    }
+  };
+
+  Controller.prototype._stopDelayedCall = function() {
+    if (this.delayedCallTimeout) {
+      clearTimeout(this.delayedCallTimeout);
+      return this.delayedCallTimeout = null;
+    }
+  };
+
+  Controller.prototype._generateQueryCBId = function() {
+    return {};
+  };
+
+  Controller.prototype._lookUp = function(query) {
+    var _callback;
+    _callback = function(queryCBId, data) {
+      if (queryCBId !== this.expectedQueryCBId) {
+        return;
+      }
+      if (data && data.length > 0) {
+        return this.renderView(this.constructor.arrayToDefaultHash(data));
+      } else {
+        return this.view.hide();
+      }
+    };
+    this.expectedQueryCBId = this._generateQueryCBId();
+    return this.model.query(query.text, $.proxy(_callback, this, this.expectedQueryCBId));
+  };
+
+  return Controller;
+
+})();
+
+var TextareaController,
+  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+  hasProp = {}.hasOwnProperty;
+
+TextareaController = (function(superClass) {
+  extend(TextareaController, superClass);
+
+  function TextareaController() {
+    return TextareaController.__super__.constructor.apply(this, arguments);
+  }
+
+  TextareaController.prototype.catchQuery = function() {
+    var caretPos, content, end, isString, query, start, subtext;
+    content = this.$inputor.val();
+    caretPos = this.$inputor.caret('pos', {
+      iframe: this.app.iframe
+    });
+    subtext = content.slice(0, caretPos);
+    query = this.callbacks("matcher").call(this, this.at, subtext, this.getOpt('startWithSpace'), this.getOpt("acceptSpaceBar"));
+    isString = typeof query === 'string';
+    if (isString && query.length < this.getOpt('minLen', 0)) {
+      return;
+    }
+    if (isString && query.length <= this.getOpt('maxLen', 20)) {
+      start = caretPos - query.length;
+      end = start + query.length;
+      this.pos = start;
+      query = {
+        'text': query,
+        'headPos': start,
+        'endPos': end
+      };
+      this.trigger("matched", [this.at, query.text]);
+    } else {
+      query = null;
+      this.view.hide();
+    }
+    return this.query = query;
+  };
+
+  TextareaController.prototype.rect = function() {
+    var c, iframeOffset, scaleBottom;
+    if (!(c = this.$inputor.caret('offset', this.pos - 1, {
+      iframe: this.app.iframe
+    }))) {
+      return;
+    }
+    if (this.app.iframe && !this.app.iframeAsRoot) {
+      iframeOffset = $(this.app.iframe).offset();
+      c.left += iframeOffset.left;
+      c.top += iframeOffset.top;
+    }
+    scaleBottom = this.app.document.selection ? 0 : 2;
+    return {
+      left: c.left,
+      top: c.top,
+      bottom: c.top + c.height + scaleBottom
+    };
+  };
+
+  TextareaController.prototype.insert = function(content, $li) {
+    var $inputor, source, startStr, suffix, text;
+    $inputor = this.$inputor;
+    source = $inputor.val();
+    startStr = source.slice(0, Math.max(this.query.headPos - this.at.length, 0));
+    suffix = (suffix = this.getOpt('suffix')) === "" ? suffix : suffix || " ";
+    content += suffix;
+    text = "" + startStr + content + (source.slice(this.query['endPos'] || 0));
+    $inputor.val(text);
+    $inputor.caret('pos', startStr.length + content.length, {
+      iframe: this.app.iframe
+    });
+    if (!$inputor.is(':focus')) {
+      $inputor.focus();
+    }
+    return $inputor.change();
+  };
+
+  return TextareaController;
+
+})(Controller);
+
+var EditableController,
+  extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+  hasProp = {}.hasOwnProperty;
+
+EditableController = (function(superClass) {
+  extend(EditableController, superClass);
+
+  function EditableController() {
+    return EditableController.__super__.constructor.apply(this, arguments);
+  }
+
+  EditableController.prototype._getRange = function() {
+    var sel;
+    sel = this.app.window.getSelection();
+    if (sel.rangeCount > 0) {
+      return sel.getRangeAt(0);
+    }
+  };
+
+  EditableController.prototype._setRange = function(position, node, range) {
+    if (range == null) {
+      range = this._getRange();
+    }
+    if (!range) {
+      return;
+    }
+    node = $(node)[0];
+    if (position === 'after') {
+      range.setEndAfter(node);
+      range.setStartAfter(node);
+    } else {
+      range.setEndBefore(node);
+      range.setStartBefore(node);
+    }
+    range.collapse(false);
+    return this._clearRange(range);
+  };
+
+  EditableController.prototype._clearRange = function(range) {
+    var sel;
+    if (range == null) {
+      range = this._getRange();
+    }
+    sel = this.app.window.getSelection();
+    if (this.ctrl_a_pressed == null) {
+      sel.removeAllRanges();
+      return sel.addRange(range);
+    }
+  };
+
+  EditableController.prototype._movingEvent = function(e) {
+    var ref;
+    return e.type === 'click' || ((ref = e.which) === KEY_CODE.RIGHT || ref === KEY_CODE.LEFT || ref === KEY_CODE.UP || ref === KEY_CODE.DOWN);
+  };
+
+  EditableController.prototype._unwrap = function(node) {
+    var next;
+    node = $(node).unwrap().get(0);
+    if ((next = node.nextSibling) && next.nodeValue) {
+      node.nodeValue += next.nodeValue;
+      $(next).remove();
+    }
+    return node;
+  };
+
+  EditableController.prototype.catchQuery = function(e) {
+    var $inserted, $query, _range, index, inserted, isString, lastNode, matched, offset, query, query_content, range;
+    if (!(range = this._getRange())) {
+      return;
+    }
+    if (!range.collapsed) {
+      return;
+    }
+    if (e.which === KEY_CODE.ENTER) {
+      ($query = $(range.startContainer).closest('.atwho-query')).contents().unwrap();
+      if ($query.is(':empty')) {
+        $query.remove();
+      }
+      ($query = $(".atwho-query", this.app.document)).text($query.text()).contents().last().unwrap();
+      this._clearRange();
+      return;
+    }
+    if (/firefox/i.test(navigator.userAgent)) {
+      if ($(range.startContainer).is(this.$inputor)) {
+        this._clearRange();
+        return;
+      }
+      if (e.which === KEY_CODE.BACKSPACE && range.startContainer.nodeType === document.ELEMENT_NODE && (offset = range.startOffset - 1) >= 0) {
+        _range = range.cloneRange();
+        _range.setStart(range.startContainer, offset);
+        if ($(_range.cloneContents()).contents().last().is('.atwho-inserted')) {
+          inserted = $(range.startContainer).contents().get(offset);
+          this._setRange('after', $(inserted).contents().last());
+        }
+      } else if (e.which === KEY_CODE.LEFT && range.startContainer.nodeType === document.TEXT_NODE) {
+        $inserted = $(range.startContainer.previousSibling);
+        if ($inserted.is('.atwho-inserted') && range.startOffset === 0) {
+          this._setRange('after', $inserted.contents().last());
+        }
+      }
+    }
+    $(range.startContainer).closest('.atwho-inserted').addClass('atwho-query').siblings().removeClass('atwho-query');
+    if (($query = $(".atwho-query", this.app.document)).length > 0 && $query.is(':empty') && $query.text().length === 0) {
+      $query.remove();
+    }
+    if (!this._movingEvent(e)) {
+      $query.removeClass('atwho-inserted');
+    }
+    if ($query.length > 0) {
+      switch (e.which) {
+        case KEY_CODE.LEFT:
+          this._setRange('before', $query.get(0), range);
+          $query.removeClass('atwho-query');
+          return;
+        case KEY_CODE.RIGHT:
+          this._setRange('after', $query.get(0).nextSibling, range);
+          $query.removeClass('atwho-query');
+          return;
+      }
+    }
+    if ($query.length > 0 && (query_content = $query.attr('data-atwho-at-query'))) {
+      $query.empty().html(query_content).attr('data-atwho-at-query', null);
+      this._setRange('after', $query.get(0), range);
+    }
+    _range = range.cloneRange();
+    _range.setStart(range.startContainer, 0);
+    matched = this.callbacks("matcher").call(this, this.at, _range.toString(), this.getOpt('startWithSpace'), this.getOpt("acceptSpaceBar"));
+    isString = typeof matched === 'string';
+    if ($query.length === 0 && isString && (index = range.startOffset - this.at.length - matched.length) >= 0) {
+      range.setStart(range.startContainer, index);
+      $query = $('<span/>', this.app.document).attr(this.getOpt("editableAtwhoQueryAttrs")).addClass('atwho-query');
+      range.surroundContents($query.get(0));
+      lastNode = $query.contents().last().get(0);
+      if (/firefox/i.test(navigator.userAgent)) {
+        range.setStart(lastNode, lastNode.length);
+        range.setEnd(lastNode, lastNode.length);
+        this._clearRange(range);
+      } else {
+        this._setRange('after', lastNode, range);
+      }
+    }
+    if (isString && matched.length < this.getOpt('minLen', 0)) {
+      return;
+    }
+    if (isString && matched.length <= this.getOpt('maxLen', 20)) {
+      query = {
+        text: matched,
+        el: $query
+      };
+      this.trigger("matched", [this.at, query.text]);
+      return this.query = query;
+    } else {
+      this.view.hide();
+      this.query = {
+        el: $query
+      };
+      if ($query.text().indexOf(this.at) >= 0) {
+        if (this._movingEvent(e) && $query.hasClass('atwho-inserted')) {
+          $query.removeClass('atwho-query');
+        } else if (false !== this.callbacks('afterMatchFailed').call(this, this.at, $query)) {
+          this._setRange("after", this._unwrap($query.text($query.text()).contents().first()));
+        }
+      }
+      return null;
+    }
+  };
+
+  EditableController.prototype.rect = function() {
+    var $iframe, iframeOffset, rect;
+    rect = this.query.el.offset();
+    if (this.app.iframe && !this.app.iframeAsRoot) {
+      iframeOffset = ($iframe = $(this.app.iframe)).offset();
+      rect.left += iframeOffset.left - this.$inputor.scrollLeft();
+      rect.top += iframeOffset.top - this.$inputor.scrollTop();
+    }
+    rect.bottom = rect.top + this.query.el.height();
+    return rect;
+  };
+
+  EditableController.prototype.insert = function(content, $li) {
+    var data, range, suffix, suffixNode;
+    if (!this.$inputor.is(':focus')) {
+      this.$inputor.focus();
+    }
+    suffix = (suffix = this.getOpt('suffix')) === "" ? suffix : suffix || "\u00A0";
+    data = $li.data('item-data');
+    this.query.el.removeClass('atwho-query').addClass('atwho-inserted').html(content).attr('data-atwho-at-query', "" + data['atwho-at'] + this.query.text);
+    if (range = this._getRange()) {
+      range.setEndAfter(this.query.el[0]);
+      range.collapse(false);
+      range.insertNode(suffixNode = this.app.document.createTextNode("\u200D" + suffix));
+      this._setRange('after', suffixNode, range);
+    }
+    if (!this.$inputor.is(':focus')) {
+      this.$inputor.focus();
+    }
+    return this.$inputor.change();
+  };
+
+  return EditableController;
+
+})(Controller);
+
+var Model;
+
+Model = (function() {
+  function Model(context) {
+    this.context = context;
+    this.at = this.context.at;
+    this.storage = this.context.$inputor;
+  }
+
+  Model.prototype.destroy = function() {
+    return this.storage.data(this.at, null);
+  };
+
+  Model.prototype.saved = function() {
+    return this.fetch() > 0;
+  };
+
+  Model.prototype.query = function(query, callback) {
+    var _remoteFilter, data, searchKey;
+    data = this.fetch();
+    searchKey = this.context.getOpt("searchKey");
+    data = this.context.callbacks('filter').call(this.context, query, data, searchKey) || [];
+    _remoteFilter = this.context.callbacks('remoteFilter');
+    if (data.length > 0 || (!_remoteFilter && data.length === 0)) {
+      return callback(data);
+    } else {
+      return _remoteFilter.call(this.context, query, callback);
+    }
+  };
+
+  Model.prototype.fetch = function() {
+    return this.storage.data(this.at) || [];
+  };
+
+  Model.prototype.save = function(data) {
+    return this.storage.data(this.at, this.context.callbacks("beforeSave").call(this.context, data || []));
+  };
+
+  Model.prototype.load = function(data) {
+    if (!(this.saved() || !data)) {
+      return this._load(data);
+    }
+  };
+
+  Model.prototype.reload = function(data) {
+    return this._load(data);
+  };
+
+  Model.prototype._load = function(data) {
+    if (typeof data === "string") {
+      return $.ajax(data, {
+        dataType: "json"
+      }).done((function(_this) {
+        return function(data) {
+          return _this.save(data);
+        };
+      })(this));
+    } else {
+      return this.save(data);
+    }
+  };
+
+  return Model;
+
+})();
+
+var View;
+
+View = (function() {
+  function View(context) {
+    this.context = context;
+    this.$el = $("<div class='atwho-view'><ul class='atwho-view-ul'></ul></div>");
+    this.$elUl = this.$el.children();
+    this.timeoutID = null;
+    this.context.$el.append(this.$el);
+    this.bindEvent();
+  }
+
+  View.prototype.init = function() {
+    var header_tpl, id;
+    id = this.context.getOpt("alias") || this.context.at.charCodeAt(0);
+    header_tpl = this.context.getOpt("headerTpl");
+    if (header_tpl && this.$el.children().length === 1) {
+      this.$el.prepend(header_tpl);
+    }
+    return this.$el.attr({
+      'id': "at-view-" + id
+    });
+  };
+
+  View.prototype.destroy = function() {
+    return this.$el.remove();
+  };
+
+  View.prototype.bindEvent = function() {
+    var $menu, lastCoordX, lastCoordY;
+    $menu = this.$el.find('ul');
+    lastCoordX = 0;
+    lastCoordY = 0;
+    return $menu.on('mousemove.atwho-view', 'li', (function(_this) {
+      return function(e) {
+        var $cur;
+        if (lastCoordX === e.clientX && lastCoordY === e.clientY) {
+          return;
+        }
+        lastCoordX = e.clientX;
+        lastCoordY = e.clientY;
+        $cur = $(e.currentTarget);
+        if ($cur.hasClass('cur')) {
+          return;
+        }
+        $menu.find('.cur').removeClass('cur');
+        return $cur.addClass('cur');
+      };
+    })(this)).on('click.atwho-view', 'li', (function(_this) {
+      return function(e) {
+        $menu.find('.cur').removeClass('cur');
+        $(e.currentTarget).addClass('cur');
+        _this.choose(e);
+        return e.preventDefault();
+      };
+    })(this));
+  };
+
+  View.prototype.visible = function() {
+    return this.$el.is(":visible");
+  };
+
+  View.prototype.highlighted = function() {
+    return this.$el.find(".cur").length > 0;
+  };
+
+  View.prototype.choose = function(e) {
+    var $li, content;
+    if (($li = this.$el.find(".cur")).length) {
+      content = this.context.insertContentFor($li);
+      this.context._stopDelayedCall();
+      this.context.insert(this.context.callbacks("beforeInsert").call(this.context, content, $li, e), $li);
+      this.context.trigger("inserted", [$li, e]);
+      this.hide(e);
+    }
+    if (this.context.getOpt("hideWithoutSuffix")) {
+      return this.stopShowing = true;
+    }
+  };
+
+  View.prototype.reposition = function(rect) {
+    var _window, offset, overflowOffset, ref;
+    _window = this.context.app.iframeAsRoot ? this.context.app.window : window;
+    if (rect.bottom + this.$el.height() - $(_window).scrollTop() > $(_window).height()) {
+      rect.bottom = rect.top - this.$el.height();
+    }
+    if (rect.left > (overflowOffset = $(_window).width() - this.$el.width() - 5)) {
+      rect.left = overflowOffset;
+    }
+    offset = {
+      left: rect.left,
+      top: rect.bottom
+    };
+    if ((ref = this.context.callbacks("beforeReposition")) != null) {
+      ref.call(this.context, offset);
+    }
+    this.$el.offset(offset);
+    return this.context.trigger("reposition", [offset]);
+  };
+
+  View.prototype.next = function() {
+    var cur, next, nextEl, offset;
+    cur = this.$el.find('.cur').removeClass('cur');
+    next = cur.next();
+    if (!next.length) {
+      next = this.$el.find('li:first');
+    }
+    next.addClass('cur');
+    nextEl = next[0];
+    offset = nextEl.offsetTop + nextEl.offsetHeight + (nextEl.nextSibling ? nextEl.nextSibling.offsetHeight : 0);
+    return this.scrollTop(Math.max(0, offset - this.$el.height()));
+  };
+
+  View.prototype.prev = function() {
+    var cur, offset, prev, prevEl;
+    cur = this.$el.find('.cur').removeClass('cur');
+    prev = cur.prev();
+    if (!prev.length) {
+      prev = this.$el.find('li:last');
+    }
+    prev.addClass('cur');
+    prevEl = prev[0];
+    offset = prevEl.offsetTop + prevEl.offsetHeight + (prevEl.nextSibling ? prevEl.nextSibling.offsetHeight : 0);
+    return this.scrollTop(Math.max(0, offset - this.$el.height()));
+  };
+
+  View.prototype.scrollTop = function(scrollTop) {
+    var scrollDuration;
+    scrollDuration = this.context.getOpt('scrollDuration');
+    if (scrollDuration) {
+      return this.$elUl.animate({
+        scrollTop: scrollTop
+      }, scrollDuration);
+    } else {
+      return this.$elUl.scrollTop(scrollTop);
+    }
+  };
+
+  View.prototype.show = function() {
+    var rect;
+    if (this.stopShowing) {
+      this.stopShowing = false;
+      return;
+    }
+    if (!this.visible()) {
+      this.$el.show();
+      this.$el.scrollTop(0);
+      this.context.trigger('shown');
+    }
+    if (rect = this.context.rect()) {
+      return this.reposition(rect);
+    }
+  };
+
+  View.prototype.hide = function(e, time) {
+    var callback;
+    if (!this.visible()) {
+      return;
+    }
+    if (isNaN(time)) {
+      this.$el.hide();
+      return this.context.trigger('hidden', [e]);
+    } else {
+      callback = (function(_this) {
+        return function() {
+          return _this.hide();
+        };
+      })(this);
+      clearTimeout(this.timeoutID);
+      return this.timeoutID = setTimeout(callback, time);
+    }
+  };
+
+  View.prototype.render = function(list) {
+    var $li, $ul, i, item, len, li, tpl;
+    if (!($.isArray(list) && list.length > 0)) {
+      this.hide();
+      return;
+    }
+    this.$el.find('ul').empty();
+    $ul = this.$el.find('ul');
+    tpl = this.context.getOpt('displayTpl');
+    for (i = 0, len = list.length; i < len; i++) {
+      item = list[i];
+      item = $.extend({}, item, {
+        'atwho-at': this.context.at
+      });
+      li = this.context.callbacks("tplEval").call(this.context, tpl, item, "onDisplay");
+      $li = $(this.context.callbacks("highlighter").call(this.context, li, this.context.query.text));
+      $li.data("item-data", item);
+      $ul.append($li);
+    }
+    this.show();
+    if (this.context.getOpt('highlightFirst')) {
+      return $ul.find("li:first").addClass("cur");
+    }
+  };
+
+  return View;
+
+})();
+
+var Api;
+
+Api = {
+  load: function(at, data) {
+    var c;
+    if (c = this.controller(at)) {
+      return c.model.load(data);
+    }
+  },
+  isSelecting: function() {
+    var ref;
+    return !!((ref = this.controller()) != null ? ref.view.visible() : void 0);
+  },
+  hide: function() {
+    var ref;
+    return (ref = this.controller()) != null ? ref.view.hide() : void 0;
+  },
+  reposition: function() {
+    var c;
+    if (c = this.controller()) {
+      return c.view.reposition(c.rect());
+    }
+  },
+  setIframe: function(iframe, asRoot) {
+    this.setupRootElement(iframe, asRoot);
+    return null;
+  },
+  run: function() {
+    return this.dispatch();
+  },
+  destroy: function() {
+    this.shutdown();
+    return this.$inputor.data('atwho', null);
+  }
+};
+
+$.fn.atwho = function(method) {
+  var _args, result;
+  _args = arguments;
+  result = null;
+  this.filter('textarea, input, [contenteditable=""], [contenteditable=true]').each(function() {
+    var $this, app;
+    if (!(app = ($this = $(this)).data("atwho"))) {
+      $this.data('atwho', (app = new App(this)));
+    }
+    if (typeof method === 'object' || !method) {
+      return app.reg(method.at, method);
+    } else if (Api[method] && app) {
+      return result = Api[method].apply(app, Array.prototype.slice.call(_args, 1));
+    } else {
+      return $.error("Method " + method + " does not exist on jQuery.atwho");
+    }
+  });
+  if (result != null) {
+    return result;
+  } else {
+    return this;
+  }
+};
+
+$.fn.atwho["default"] = {
+  at: void 0,
+  alias: void 0,
+  data: null,
+  displayTpl: "<li>${name}</li>",
+  insertTpl: "${atwho-at}${name}",
+  headerTpl: null,
+  callbacks: DEFAULT_CALLBACKS,
+  searchKey: "name",
+  suffix: void 0,
+  hideWithoutSuffix: false,
+  startWithSpace: true,
+  acceptSpaceBar: false,
+  highlightFirst: true,
+  limit: 5,
+  maxLen: 20,
+  minLen: 0,
+  displayTimeout: 300,
+  delay: null,
+  spaceSelectsMatch: false,
+  tabSelectsMatch: true,
+  editableAtwhoQueryAttrs: {},
+  scrollDuration: 150,
+  suspendOnComposing: true,
+  lookUpOnClick: true
+};
+
+$.fn.atwho.debug = false;
+
+}));
diff --git a/vendor/assets/javascripts/jquery.caret.js b/vendor/assets/javascripts/jquery.caret.js
new file mode 100644
index 00000000000..811ec63ee47
--- /dev/null
+++ b/vendor/assets/javascripts/jquery.caret.js
@@ -0,0 +1,436 @@
+(function (root, factory) {
+  if (typeof define === 'function' && define.amd) {
+    // AMD. Register as an anonymous module.
+    define(["jquery"], function ($) {
+      return (root.returnExportsGlobal = factory($));
+    });
+  } else if (typeof exports === 'object') {
+    // Node. Does not work with strict CommonJS, but
+    // only CommonJS-like enviroments that support module.exports,
+    // like Node.
+    module.exports = factory(require("jquery"));
+  } else {
+    factory(jQuery);
+  }
+}(this, function ($) {
+
+/*
+  Implement Github like autocomplete mentions
+  http://ichord.github.com/At.js
+
+  Copyright (c) 2013 chord.luo@gmail.com
+  Licensed under the MIT license.
+*/
+
+/*
+本插件操作 textarea 或者 input 内的插入符
+只实现了获得插入符在文本框中的位置，我设置
+插入符的位置.
+*/
+
+"use strict";
+var EditableCaret, InputCaret, Mirror, Utils, discoveryIframeOf, methods, oDocument, oFrame, oWindow, pluginName, setContextBy;
+
+pluginName = 'caret';
+
+EditableCaret = (function() {
+  function EditableCaret($inputor) {
+    this.$inputor = $inputor;
+    this.domInputor = this.$inputor[0];
+  }
+
+  EditableCaret.prototype.setPos = function(pos) {
+    var fn, found, offset, sel;
+    if (sel = oWindow.getSelection()) {
+      offset = 0;
+      found = false;
+      (fn = function(pos, parent) {
+        var node, range, _i, _len, _ref, _results;
+        _ref = parent.childNodes;
+        _results = [];
+        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+          node = _ref[_i];
+          if (found) {
+            break;
+          }
+          if (node.nodeType === 3) {
+            if (offset + node.length >= pos) {
+              found = true;
+              range = oDocument.createRange();
+              range.setStart(node, pos - offset);
+              sel.removeAllRanges();
+              sel.addRange(range);
+              break;
+            } else {
+              _results.push(offset += node.length);
+            }
+          } else {
+            _results.push(fn(pos, node));
+          }
+        }
+        return _results;
+      })(pos, this.domInputor);
+    }
+    return this.domInputor;
+  };
+
+  EditableCaret.prototype.getIEPosition = function() {
+    return this.getPosition();
+  };
+
+  EditableCaret.prototype.getPosition = function() {
+    var inputor_offset, offset;
+    offset = this.getOffset();
+    inputor_offset = this.$inputor.offset();
+    offset.left -= inputor_offset.left;
+    offset.top -= inputor_offset.top;
+    return offset;
+  };
+
+  EditableCaret.prototype.getOldIEPos = function() {
+    var preCaretTextRange, textRange;
+    textRange = oDocument.selection.createRange();
+    preCaretTextRange = oDocument.body.createTextRange();
+    preCaretTextRange.moveToElementText(this.domInputor);
+    preCaretTextRange.setEndPoint("EndToEnd", textRange);
+    return preCaretTextRange.text.length;
+  };
+
+  EditableCaret.prototype.getPos = function() {
+    var clonedRange, pos, range;
+    if (range = this.range()) {
+      clonedRange = range.cloneRange();
+      clonedRange.selectNodeContents(this.domInputor);
+      clonedRange.setEnd(range.endContainer, range.endOffset);
+      pos = clonedRange.toString().length;
+      clonedRange.detach();
+      return pos;
+    } else if (oDocument.selection) {
+      return this.getOldIEPos();
+    }
+  };
+
+  EditableCaret.prototype.getOldIEOffset = function() {
+    var range, rect;
+    range = oDocument.selection.createRange().duplicate();
+    range.moveStart("character", -1);
+    rect = range.getBoundingClientRect();
+    return {
+      height: rect.bottom - rect.top,
+      left: rect.left,
+      top: rect.top
+    };
+  };
+
+  EditableCaret.prototype.getOffset = function(pos) {
+    var clonedRange, offset, range, rect, shadowCaret;
+    if (oWindow.getSelection && (range = this.range())) {
+      if (range.endOffset - 1 > 0 && range.endContainer !== this.domInputor) {
+        clonedRange = range.cloneRange();
+        clonedRange.setStart(range.endContainer, range.endOffset - 1);
+        clonedRange.setEnd(range.endContainer, range.endOffset);
+        rect = clonedRange.getBoundingClientRect();
+        offset = {
+          height: rect.height,
+          left: rect.left + rect.width,
+          top: rect.top
+        };
+        clonedRange.detach();
+      }
+      if (!offset || (offset != null ? offset.height : void 0) === 0) {
+        clonedRange = range.cloneRange();
+        shadowCaret = $(oDocument.createTextNode("|"));
+        clonedRange.insertNode(shadowCaret[0]);
+        clonedRange.selectNode(shadowCaret[0]);
+        rect = clonedRange.getBoundingClientRect();
+        offset = {
+          height: rect.height,
+          left: rect.left,
+          top: rect.top
+        };
+        shadowCaret.remove();
+        clonedRange.detach();
+      }
+    } else if (oDocument.selection) {
+      offset = this.getOldIEOffset();
+    }
+    if (offset) {
+      offset.top += $(oWindow).scrollTop();
+      offset.left += $(oWindow).scrollLeft();
+    }
+    return offset;
+  };
+
+  EditableCaret.prototype.range = function() {
+    var sel;
+    if (!oWindow.getSelection) {
+      return;
+    }
+    sel = oWindow.getSelection();
+    if (sel.rangeCount > 0) {
+      return sel.getRangeAt(0);
+    } else {
+      return null;
+    }
+  };
+
+  return EditableCaret;
+
+})();
+
+InputCaret = (function() {
+  function InputCaret($inputor) {
+    this.$inputor = $inputor;
+    this.domInputor = this.$inputor[0];
+  }
+
+  InputCaret.prototype.getIEPos = function() {
+    var endRange, inputor, len, normalizedValue, pos, range, textInputRange;
+    inputor = this.domInputor;
+    range = oDocument.selection.createRange();
+    pos = 0;
+    if (range && range.parentElement() === inputor) {
+      normalizedValue = inputor.value.replace(/\r\n/g, "\n");
+      len = normalizedValue.length;
+      textInputRange = inputor.createTextRange();
+      textInputRange.moveToBookmark(range.getBookmark());
+      endRange = inputor.createTextRange();
+      endRange.collapse(false);
+      if (textInputRange.compareEndPoints("StartToEnd", endRange) > -1) {
+        pos = len;
+      } else {
+        pos = -textInputRange.moveStart("character", -len);
+      }
+    }
+    return pos;
+  };
+
+  InputCaret.prototype.getPos = function() {
+    if (oDocument.selection) {
+      return this.getIEPos();
+    } else {
+      return this.domInputor.selectionStart;
+    }
+  };
+
+  InputCaret.prototype.setPos = function(pos) {
+    var inputor, range;
+    inputor = this.domInputor;
+    if (oDocument.selection) {
+      range = inputor.createTextRange();
+      range.move("character", pos);
+      range.select();
+    } else if (inputor.setSelectionRange) {
+      inputor.setSelectionRange(pos, pos);
+    }
+    return inputor;
+  };
+
+  InputCaret.prototype.getIEOffset = function(pos) {
+    var h, textRange, x, y;
+    textRange = this.domInputor.createTextRange();
+    pos || (pos = this.getPos());
+    textRange.move('character', pos);
+    x = textRange.boundingLeft;
+    y = textRange.boundingTop;
+    h = textRange.boundingHeight;
+    return {
+      left: x,
+      top: y,
+      height: h
+    };
+  };
+
+  InputCaret.prototype.getOffset = function(pos) {
+    var $inputor, offset, position;
+    $inputor = this.$inputor;
+    if (oDocument.selection) {
+      offset = this.getIEOffset(pos);
+      offset.top += $(oWindow).scrollTop() + $inputor.scrollTop();
+      offset.left += $(oWindow).scrollLeft() + $inputor.scrollLeft();
+      return offset;
+    } else {
+      offset = $inputor.offset();
+      position = this.getPosition(pos);
+      return offset = {
+        left: offset.left + position.left - $inputor.scrollLeft(),
+        top: offset.top + position.top - $inputor.scrollTop(),
+        height: position.height
+      };
+    }
+  };
+
+  InputCaret.prototype.getPosition = function(pos) {
+    var $inputor, at_rect, end_range, format, html, mirror, start_range;
+    $inputor = this.$inputor;
+    format = function(value) {
+      value = value.replace(/<|>|`|"|&/g, '?').replace(/\r\n|\r|\n/g, "<br/>");
+      if (/firefox/i.test(navigator.userAgent)) {
+        value = value.replace(/\s/g, '&nbsp;');
+      }
+      return value;
+    };
+    if (pos === void 0) {
+      pos = this.getPos();
+    }
+    start_range = $inputor.val().slice(0, pos);
+    end_range = $inputor.val().slice(pos);
+    html = "<span style='position: relative; display: inline;'>" + format(start_range) + "</span>";
+    html += "<span id='caret' style='position: relative; display: inline;'>|</span>";
+    html += "<span style='position: relative; display: inline;'>" + format(end_range) + "</span>";
+    mirror = new Mirror($inputor);
+    return at_rect = mirror.create(html).rect();
+  };
+
+  InputCaret.prototype.getIEPosition = function(pos) {
+    var h, inputorOffset, offset, x, y;
+    offset = this.getIEOffset(pos);
+    inputorOffset = this.$inputor.offset();
+    x = offset.left - inputorOffset.left;
+    y = offset.top - inputorOffset.top;
+    h = offset.height;
+    return {
+      left: x,
+      top: y,
+      height: h
+    };
+  };
+
+  return InputCaret;
+
+})();
+
+Mirror = (function() {
+  Mirror.prototype.css_attr = ["borderBottomWidth", "borderLeftWidth", "borderRightWidth", "borderTopStyle", "borderRightStyle", "borderBottomStyle", "borderLeftStyle", "borderTopWidth", "boxSizing", "fontFamily", "fontSize", "fontWeight", "height", "letterSpacing", "lineHeight", "marginBottom", "marginLeft", "marginRight", "marginTop", "outlineWidth", "overflow", "overflowX", "overflowY", "paddingBottom", "paddingLeft", "paddingRight", "paddingTop", "textAlign", "textOverflow", "textTransform", "whiteSpace", "wordBreak", "wordWrap"];
+
+  function Mirror($inputor) {
+    this.$inputor = $inputor;
+  }
+
+  Mirror.prototype.mirrorCss = function() {
+    var css,
+      _this = this;
+    css = {
+      position: 'absolute',
+      left: -9999,
+      top: 0,
+      zIndex: -20000
+    };
+    if (this.$inputor.prop('tagName') === 'TEXTAREA') {
+      this.css_attr.push('width');
+    }
+    $.each(this.css_attr, function(i, p) {
+      return css[p] = _this.$inputor.css(p);
+    });
+    return css;
+  };
+
+  Mirror.prototype.create = function(html) {
+    this.$mirror = $('<div></div>');
+    this.$mirror.css(this.mirrorCss());
+    this.$mirror.html(html);
+    this.$inputor.after(this.$mirror);
+    return this;
+  };
+
+  Mirror.prototype.rect = function() {
+    var $flag, pos, rect;
+    $flag = this.$mirror.find("#caret");
+    pos = $flag.position();
+    rect = {
+      left: pos.left,
+      top: pos.top,
+      height: $flag.height()
+    };
+    this.$mirror.remove();
+    return rect;
+  };
+
+  return Mirror;
+
+})();
+
+Utils = {
+  contentEditable: function($inputor) {
+    return !!($inputor[0].contentEditable && $inputor[0].contentEditable === 'true');
+  }
+};
+
+methods = {
+  pos: function(pos) {
+    if (pos || pos === 0) {
+      return this.setPos(pos);
+    } else {
+      return this.getPos();
+    }
+  },
+  position: function(pos) {
+    if (oDocument.selection) {
+      return this.getIEPosition(pos);
+    } else {
+      return this.getPosition(pos);
+    }
+  },
+  offset: function(pos) {
+    var offset;
+    offset = this.getOffset(pos);
+    return offset;
+  }
+};
+
+oDocument = null;
+
+oWindow = null;
+
+oFrame = null;
+
+setContextBy = function(settings) {
+  var iframe;
+  if (iframe = settings != null ? settings.iframe : void 0) {
+    oFrame = iframe;
+    oWindow = iframe.contentWindow;
+    return oDocument = iframe.contentDocument || oWindow.document;
+  } else {
+    oFrame = void 0;
+    oWindow = window;
+    return oDocument = document;
+  }
+};
+
+discoveryIframeOf = function($dom) {
+  var error;
+  oDocument = $dom[0].ownerDocument;
+  oWindow = oDocument.defaultView || oDocument.parentWindow;
+  try {
+    return oFrame = oWindow.frameElement;
+  } catch (_error) {
+    error = _error;
+  }
+};
+
+$.fn.caret = function(method, value, settings) {
+  var caret;
+  if (methods[method]) {
+    if ($.isPlainObject(value)) {
+      setContextBy(value);
+      value = void 0;
+    } else {
+      setContextBy(settings);
+    }
+    caret = Utils.contentEditable(this) ? new EditableCaret(this) : new InputCaret(this);
+    return methods[method].apply(caret, [value]);
+  } else {
+    return $.error("Method " + method + " does not exist on jQuery.caret");
+  }
+};
+
+$.fn.caret.EditableCaret = EditableCaret;
+
+$.fn.caret.InputCaret = InputCaret;
+
+$.fn.caret.Utils = Utils;
+
+$.fn.caret.apis = methods;
+
+
+}));
diff --git a/vendor/assets/javascripts/jquery.turbolinks.js b/vendor/assets/javascripts/jquery.turbolinks.js
new file mode 100644
index 00000000000..fd6e95e75d5
--- /dev/null
+++ b/vendor/assets/javascripts/jquery.turbolinks.js
@@ -0,0 +1,49 @@
+// Generated by CoffeeScript 1.7.1
+
+/*
+jQuery.Turbolinks ~ https://github.com/kossnocorp/jquery.turbolinks
+jQuery plugin for drop-in fix binded events problem caused by Turbolinks
+
+The MIT License
+Copyright (c) 2012-2013 Sasha Koss & Rico Sta. Cruz
+ */
+
+(function() {
+  var $, $document;
+
+  $ = window.jQuery || (typeof require === "function" ? require('jquery') : void 0);
+
+  $document = $(document);
+
+  $.turbo = {
+    version: '2.1.0',
+    isReady: false,
+    use: function(load, fetch) {
+      return $document.off('.turbo').on("" + load + ".turbo", this.onLoad).on("" + fetch + ".turbo", this.onFetch);
+    },
+    addCallback: function(callback) {
+      if ($.turbo.isReady) {
+        callback($);
+      }
+      return $document.on('turbo:ready', function() {
+        return callback($);
+      });
+    },
+    onLoad: function() {
+      $.turbo.isReady = true;
+      return $document.trigger('turbo:ready');
+    },
+    onFetch: function() {
+      return $.turbo.isReady = false;
+    },
+    register: function() {
+      $(this.onLoad);
+      return $.fn.ready = this.addCallback;
+    }
+  };
+
+  $.turbo.register();
+
+  $.turbo.use('page:load', 'page:fetch');
+
+}).call(this);
diff --git a/vendor/assets/javascripts/turbolinks.js b/vendor/assets/javascripts/turbolinks.js
new file mode 100644
index 00000000000..17a2635bf2a
--- /dev/null
+++ b/vendor/assets/javascripts/turbolinks.js
@@ -0,0 +1,781 @@
+// Turbolinks Classic v2.5.3 compiled from CoffeeScript
+(function() {
+  var CSRFToken, Click, ComponentUrl, EVENTS, Link, ProgressBar, browserIsntBuggy, browserSupportsCustomEvents, browserSupportsPushState, browserSupportsTurbolinks, bypassOnLoadPopstate, cacheCurrentPage, cacheSize, changePage, clone, constrainPageCacheTo, createDocument, crossOriginRedirect, currentState, enableProgressBar, enableTransitionCache, executeScriptTags, extractTitleAndBody, fetch, fetchHistory, fetchReplacement, historyStateIsDefined, initializeTurbolinks, installDocumentReadyPageEventTriggers, installHistoryChangeHandler, installJqueryAjaxSuccessPageUpdateTrigger, loadedAssets, manuallyTriggerHashChangeForFirefox, pageCache, pageChangePrevented, pagesCached, popCookie, processResponse, progressBar, recallScrollPosition, ref, referer, reflectNewUrl, reflectRedirectedUrl, rememberCurrentState, rememberCurrentUrl, rememberReferer, removeNoscriptTags, requestMethodIsSafe, resetScrollPosition, setAutofocusElement, transitionCacheEnabled, transitionCacheFor, triggerEvent, visit, xhr,
+    indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; },
+    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
+    hasProp = {}.hasOwnProperty,
+    slice = [].slice,
+    bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
+
+  pageCache = {};
+
+  cacheSize = 10;
+
+  transitionCacheEnabled = false;
+
+  progressBar = null;
+
+  currentState = null;
+
+  loadedAssets = null;
+
+  referer = null;
+
+  xhr = null;
+
+  EVENTS = {
+    BEFORE_CHANGE: 'page:before-change',
+    FETCH: 'page:fetch',
+    RECEIVE: 'page:receive',
+    CHANGE: 'page:change',
+    UPDATE: 'page:update',
+    LOAD: 'page:load',
+    RESTORE: 'page:restore',
+    BEFORE_UNLOAD: 'page:before-unload',
+    EXPIRE: 'page:expire'
+  };
+
+  fetch = function(url) {
+    var cachedPage;
+    url = new ComponentUrl(url);
+    rememberReferer();
+    cacheCurrentPage();
+    if (progressBar != null) {
+      progressBar.start();
+    }
+    if (transitionCacheEnabled && (cachedPage = transitionCacheFor(url.absolute))) {
+      fetchHistory(cachedPage);
+      return fetchReplacement(url, null, false);
+    } else {
+      return fetchReplacement(url, resetScrollPosition);
+    }
+  };
+
+  transitionCacheFor = function(url) {
+    var cachedPage;
+    cachedPage = pageCache[url];
+    if (cachedPage && !cachedPage.transitionCacheDisabled) {
+      return cachedPage;
+    }
+  };
+
+  enableTransitionCache = function(enable) {
+    if (enable == null) {
+      enable = true;
+    }
+    return transitionCacheEnabled = enable;
+  };
+
+  enableProgressBar = function(enable) {
+    if (enable == null) {
+      enable = true;
+    }
+    if (!browserSupportsTurbolinks) {
+      return;
+    }
+    if (enable) {
+      return progressBar != null ? progressBar : progressBar = new ProgressBar('html');
+    } else {
+      if (progressBar != null) {
+        progressBar.uninstall();
+      }
+      return progressBar = null;
+    }
+  };
+
+  fetchReplacement = function(url, onLoadFunction, showProgressBar) {
+    if (showProgressBar == null) {
+      showProgressBar = true;
+    }
+    triggerEvent(EVENTS.FETCH, {
+      url: url.absolute
+    });
+    if (xhr != null) {
+      xhr.abort();
+    }
+    xhr = new XMLHttpRequest;
+    xhr.open('GET', url.withoutHashForIE10compatibility(), true);
+    xhr.setRequestHeader('Accept', 'text/html, application/xhtml+xml, application/xml');
+    xhr.setRequestHeader('X-XHR-Referer', referer);
+    xhr.onload = function() {
+      var doc;
+      triggerEvent(EVENTS.RECEIVE, {
+        url: url.absolute
+      });
+      if (doc = processResponse()) {
+        reflectNewUrl(url);
+        reflectRedirectedUrl();
+        changePage.apply(null, extractTitleAndBody(doc));
+        manuallyTriggerHashChangeForFirefox();
+        if (typeof onLoadFunction === "function") {
+          onLoadFunction();
+        }
+        return triggerEvent(EVENTS.LOAD);
+      } else {
+        return document.location.href = crossOriginRedirect() || url.absolute;
+      }
+    };
+    if (progressBar && showProgressBar) {
+      xhr.onprogress = (function(_this) {
+        return function(event) {
+          var percent;
+          percent = event.lengthComputable ? event.loaded / event.total * 100 : progressBar.value + (100 - progressBar.value) / 10;
+          return progressBar.advanceTo(percent);
+        };
+      })(this);
+    }
+    xhr.onloadend = function() {
+      return xhr = null;
+    };
+    xhr.onerror = function() {
+      return document.location.href = url.absolute;
+    };
+    return xhr.send();
+  };
+
+  fetchHistory = function(cachedPage) {
+    if (xhr != null) {
+      xhr.abort();
+    }
+    changePage(cachedPage.title, cachedPage.body);
+    recallScrollPosition(cachedPage);
+    return triggerEvent(EVENTS.RESTORE);
+  };
+
+  cacheCurrentPage = function() {
+    var currentStateUrl;
+    currentStateUrl = new ComponentUrl(currentState.url);
+    pageCache[currentStateUrl.absolute] = {
+      url: currentStateUrl.relative,
+      body: document.body,
+      title: document.title,
+      positionY: window.pageYOffset,
+      positionX: window.pageXOffset,
+      cachedAt: new Date().getTime(),
+      transitionCacheDisabled: document.querySelector('[data-no-transition-cache]') != null
+    };
+    return constrainPageCacheTo(cacheSize);
+  };
+
+  pagesCached = function(size) {
+    if (size == null) {
+      size = cacheSize;
+    }
+    if (/^[\d]+$/.test(size)) {
+      return cacheSize = parseInt(size);
+    }
+  };
+
+  constrainPageCacheTo = function(limit) {
+    var cacheTimesRecentFirst, i, key, len, pageCacheKeys, results;
+    pageCacheKeys = Object.keys(pageCache);
+    cacheTimesRecentFirst = pageCacheKeys.map(function(url) {
+      return pageCache[url].cachedAt;
+    }).sort(function(a, b) {
+      return b - a;
+    });
+    results = [];
+    for (i = 0, len = pageCacheKeys.length; i < len; i++) {
+      key = pageCacheKeys[i];
+      if (!(pageCache[key].cachedAt <= cacheTimesRecentFirst[limit])) {
+        continue;
+      }
+      triggerEvent(EVENTS.EXPIRE, pageCache[key]);
+      results.push(delete pageCache[key]);
+    }
+    return results;
+  };
+
+  changePage = function(title, body, csrfToken, runScripts) {
+    triggerEvent(EVENTS.BEFORE_UNLOAD);
+    document.title = title;
+    document.documentElement.replaceChild(body, document.body);
+    if (csrfToken != null) {
+      CSRFToken.update(csrfToken);
+    }
+    setAutofocusElement();
+    if (runScripts) {
+      executeScriptTags();
+    }
+    currentState = window.history.state;
+    if (progressBar != null) {
+      progressBar.done();
+    }
+    triggerEvent(EVENTS.CHANGE);
+    return triggerEvent(EVENTS.UPDATE);
+  };
+
+  executeScriptTags = function() {
+    var attr, copy, i, j, len, len1, nextSibling, parentNode, ref, ref1, script, scripts;
+    scripts = Array.prototype.slice.call(document.body.querySelectorAll('script:not([data-turbolinks-eval="false"])'));
+    for (i = 0, len = scripts.length; i < len; i++) {
+      script = scripts[i];
+      if (!((ref = script.type) === '' || ref === 'text/javascript')) {
+        continue;
+      }
+      copy = document.createElement('script');
+      ref1 = script.attributes;
+      for (j = 0, len1 = ref1.length; j < len1; j++) {
+        attr = ref1[j];
+        copy.setAttribute(attr.name, attr.value);
+      }
+      if (!script.hasAttribute('async')) {
+        copy.async = false;
+      }
+      copy.appendChild(document.createTextNode(script.innerHTML));
+      parentNode = script.parentNode, nextSibling = script.nextSibling;
+      parentNode.removeChild(script);
+      parentNode.insertBefore(copy, nextSibling);
+    }
+  };
+
+  removeNoscriptTags = function(node) {
+    node.innerHTML = node.innerHTML.replace(/<noscript[\S\s]*?<\/noscript>/ig, '');
+    return node;
+  };
+
+  setAutofocusElement = function() {
+    var autofocusElement, list;
+    autofocusElement = (list = document.querySelectorAll('input[autofocus], textarea[autofocus]'))[list.length - 1];
+    if (autofocusElement && document.activeElement !== autofocusElement) {
+      return autofocusElement.focus();
+    }
+  };
+
+  reflectNewUrl = function(url) {
+    if ((url = new ComponentUrl(url)).absolute !== referer) {
+      return window.history.pushState({
+        turbolinks: true,
+        url: url.absolute
+      }, '', url.absolute);
+    }
+  };
+
+  reflectRedirectedUrl = function() {
+    var location, preservedHash;
+    if (location = xhr.getResponseHeader('X-XHR-Redirected-To')) {
+      location = new ComponentUrl(location);
+      preservedHash = location.hasNoHash() ? document.location.hash : '';
+      return window.history.replaceState(window.history.state, '', location.href + preservedHash);
+    }
+  };
+
+  crossOriginRedirect = function() {
+    var redirect;
+    if (((redirect = xhr.getResponseHeader('Location')) != null) && (new ComponentUrl(redirect)).crossOrigin()) {
+      return redirect;
+    }
+  };
+
+  rememberReferer = function() {
+    return referer = document.location.href;
+  };
+
+  rememberCurrentUrl = function() {
+    return window.history.replaceState({
+      turbolinks: true,
+      url: document.location.href
+    }, '', document.location.href);
+  };
+
+  rememberCurrentState = function() {
+    return currentState = window.history.state;
+  };
+
+  manuallyTriggerHashChangeForFirefox = function() {
+    var url;
+    if (navigator.userAgent.match(/Firefox/) && !(url = new ComponentUrl).hasNoHash()) {
+      window.history.replaceState(currentState, '', url.withoutHash());
+      return document.location.hash = url.hash;
+    }
+  };
+
+  recallScrollPosition = function(page) {
+    return window.scrollTo(page.positionX, page.positionY);
+  };
+
+  resetScrollPosition = function() {
+    if (document.location.hash) {
+      return document.location.href = document.location.href;
+    } else {
+      return window.scrollTo(0, 0);
+    }
+  };
+
+  clone = function(original) {
+    var copy, key, value;
+    if ((original == null) || typeof original !== 'object') {
+      return original;
+    }
+    copy = new original.constructor();
+    for (key in original) {
+      value = original[key];
+      copy[key] = clone(value);
+    }
+    return copy;
+  };
+
+  popCookie = function(name) {
+    var ref, value;
+    value = ((ref = document.cookie.match(new RegExp(name + "=(\\w+)"))) != null ? ref[1].toUpperCase() : void 0) || '';
+    document.cookie = name + '=; expires=Thu, 01-Jan-70 00:00:01 GMT; path=/';
+    return value;
+  };
+
+  triggerEvent = function(name, data) {
+    var event;
+    if (typeof Prototype !== 'undefined') {
+      Event.fire(document, name, data, true);
+    }
+    event = document.createEvent('Events');
+    if (data) {
+      event.data = data;
+    }
+    event.initEvent(name, true, true);
+    return document.dispatchEvent(event);
+  };
+
+  pageChangePrevented = function(url) {
+    return !triggerEvent(EVENTS.BEFORE_CHANGE, {
+      url: url
+    });
+  };
+
+  processResponse = function() {
+    var assetsChanged, clientOrServerError, doc, extractTrackAssets, intersection, validContent;
+    clientOrServerError = function() {
+      var ref;
+      return (400 <= (ref = xhr.status) && ref < 600);
+    };
+    validContent = function() {
+      var contentType;
+      return ((contentType = xhr.getResponseHeader('Content-Type')) != null) && contentType.match(/^(?:text\/html|application\/xhtml\+xml|application\/xml)(?:;|$)/);
+    };
+    extractTrackAssets = function(doc) {
+      var i, len, node, ref, results;
+      ref = doc.querySelector('head').childNodes;
+      results = [];
+      for (i = 0, len = ref.length; i < len; i++) {
+        node = ref[i];
+        if ((typeof node.getAttribute === "function" ? node.getAttribute('data-turbolinks-track') : void 0) != null) {
+          results.push(node.getAttribute('src') || node.getAttribute('href'));
+        }
+      }
+      return results;
+    };
+    assetsChanged = function(doc) {
+      var fetchedAssets;
+      loadedAssets || (loadedAssets = extractTrackAssets(document));
+      fetchedAssets = extractTrackAssets(doc);
+      return fetchedAssets.length !== loadedAssets.length || intersection(fetchedAssets, loadedAssets).length !== loadedAssets.length;
+    };
+    intersection = function(a, b) {
+      var i, len, ref, results, value;
+      if (a.length > b.length) {
+        ref = [b, a], a = ref[0], b = ref[1];
+      }
+      results = [];
+      for (i = 0, len = a.length; i < len; i++) {
+        value = a[i];
+        if (indexOf.call(b, value) >= 0) {
+          results.push(value);
+        }
+      }
+      return results;
+    };
+    if (!clientOrServerError() && validContent()) {
+      doc = createDocument(xhr.responseText);
+      if (doc && !assetsChanged(doc)) {
+        return doc;
+      }
+    }
+  };
+
+  extractTitleAndBody = function(doc) {
+    var title;
+    title = doc.querySelector('title');
+    return [title != null ? title.textContent : void 0, removeNoscriptTags(doc.querySelector('body')), CSRFToken.get(doc).token, 'runScripts'];
+  };
+
+  CSRFToken = {
+    get: function(doc) {
+      var tag;
+      if (doc == null) {
+        doc = document;
+      }
+      return {
+        node: tag = doc.querySelector('meta[name="csrf-token"]'),
+        token: tag != null ? typeof tag.getAttribute === "function" ? tag.getAttribute('content') : void 0 : void 0
+      };
+    },
+    update: function(latest) {
+      var current;
+      current = this.get();
+      if ((current.token != null) && (latest != null) && current.token !== latest) {
+        return current.node.setAttribute('content', latest);
+      }
+    }
+  };
+
+  createDocument = function(html) {
+    var doc;
+    doc = document.documentElement.cloneNode();
+    doc.innerHTML = html;
+    doc.head = doc.querySelector('head');
+    doc.body = doc.querySelector('body');
+    return doc;
+  };
+
+  ComponentUrl = (function() {
+    function ComponentUrl(original1) {
+      this.original = original1 != null ? original1 : document.location.href;
+      if (this.original.constructor === ComponentUrl) {
+        return this.original;
+      }
+      this._parse();
+    }
+
+    ComponentUrl.prototype.withoutHash = function() {
+      return this.href.replace(this.hash, '').replace('#', '');
+    };
+
+    ComponentUrl.prototype.withoutHashForIE10compatibility = function() {
+      return this.withoutHash();
+    };
+
+    ComponentUrl.prototype.hasNoHash = function() {
+      return this.hash.length === 0;
+    };
+
+    ComponentUrl.prototype.crossOrigin = function() {
+      return this.origin !== (new ComponentUrl).origin;
+    };
+
+    ComponentUrl.prototype._parse = function() {
+      var ref;
+      (this.link != null ? this.link : this.link = document.createElement('a')).href = this.original;
+      ref = this.link, this.href = ref.href, this.protocol = ref.protocol, this.host = ref.host, this.hostname = ref.hostname, this.port = ref.port, this.pathname = ref.pathname, this.search = ref.search, this.hash = ref.hash;
+      this.origin = [this.protocol, '//', this.hostname].join('');
+      if (this.port.length !== 0) {
+        this.origin += ":" + this.port;
+      }
+      this.relative = [this.pathname, this.search, this.hash].join('');
+      return this.absolute = this.href;
+    };
+
+    return ComponentUrl;
+
+  })();
+
+  Link = (function(superClass) {
+    extend(Link, superClass);
+
+    Link.HTML_EXTENSIONS = ['html'];
+
+    Link.allowExtensions = function() {
+      var extension, extensions, i, len;
+      extensions = 1 <= arguments.length ? slice.call(arguments, 0) : [];
+      for (i = 0, len = extensions.length; i < len; i++) {
+        extension = extensions[i];
+        Link.HTML_EXTENSIONS.push(extension);
+      }
+      return Link.HTML_EXTENSIONS;
+    };
+
+    function Link(link1) {
+      this.link = link1;
+      if (this.link.constructor === Link) {
+        return this.link;
+      }
+      this.original = this.link.href;
+      this.originalElement = this.link;
+      this.link = this.link.cloneNode(false);
+      Link.__super__.constructor.apply(this, arguments);
+    }
+
+    Link.prototype.shouldIgnore = function() {
+      return this.crossOrigin() || this._anchored() || this._nonHtml() || this._optOut() || this._target();
+    };
+
+    Link.prototype._anchored = function() {
+      return (this.hash.length > 0 || this.href.charAt(this.href.length - 1) === '#') && (this.withoutHash() === (new ComponentUrl).withoutHash());
+    };
+
+    Link.prototype._nonHtml = function() {
+      return this.pathname.match(/\.[a-z]+$/g) && !this.pathname.match(new RegExp("\\.(?:" + (Link.HTML_EXTENSIONS.join('|')) + ")?$", 'g'));
+    };
+
+    Link.prototype._optOut = function() {
+      var ignore, link;
+      link = this.originalElement;
+      while (!(ignore || link === document)) {
+        ignore = link.getAttribute('data-no-turbolink') != null;
+        link = link.parentNode;
+      }
+      return ignore;
+    };
+
+    Link.prototype._target = function() {
+      return this.link.target.length !== 0;
+    };
+
+    return Link;
+
+  })(ComponentUrl);
+
+  Click = (function() {
+    Click.installHandlerLast = function(event) {
+      if (!event.defaultPrevented) {
+        document.removeEventListener('click', Click.handle, false);
+        return document.addEventListener('click', Click.handle, false);
+      }
+    };
+
+    Click.handle = function(event) {
+      return new Click(event);
+    };
+
+    function Click(event1) {
+      this.event = event1;
+      if (this.event.defaultPrevented) {
+        return;
+      }
+      this._extractLink();
+      if (this._validForTurbolinks()) {
+        if (!pageChangePrevented(this.link.absolute)) {
+          visit(this.link.href);
+        }
+        this.event.preventDefault();
+      }
+    }
+
+    Click.prototype._extractLink = function() {
+      var link;
+      link = this.event.target;
+      while (!(!link.parentNode || link.nodeName === 'A')) {
+        link = link.parentNode;
+      }
+      if (link.nodeName === 'A' && link.href.length !== 0) {
+        return this.link = new Link(link);
+      }
+    };
+
+    Click.prototype._validForTurbolinks = function() {
+      return (this.link != null) && !(this.link.shouldIgnore() || this._nonStandardClick());
+    };
+
+    Click.prototype._nonStandardClick = function() {
+      return this.event.which > 1 || this.event.metaKey || this.event.ctrlKey || this.event.shiftKey || this.event.altKey;
+    };
+
+    return Click;
+
+  })();
+
+  ProgressBar = (function() {
+    var className;
+
+    className = 'turbolinks-progress-bar';
+
+    function ProgressBar(elementSelector) {
+      this.elementSelector = elementSelector;
+      this._trickle = bind(this._trickle, this);
+      this.value = 0;
+      this.content = '';
+      this.speed = 300;
+      this.opacity = 0.99;
+      this.install();
+    }
+
+    ProgressBar.prototype.install = function() {
+      this.element = document.querySelector(this.elementSelector);
+      this.element.classList.add(className);
+      this.styleElement = document.createElement('style');
+      document.head.appendChild(this.styleElement);
+      return this._updateStyle();
+    };
+
+    ProgressBar.prototype.uninstall = function() {
+      this.element.classList.remove(className);
+      return document.head.removeChild(this.styleElement);
+    };
+
+    ProgressBar.prototype.start = function() {
+      return this.advanceTo(5);
+    };
+
+    ProgressBar.prototype.advanceTo = function(value) {
+      var ref;
+      if ((value > (ref = this.value) && ref <= 100)) {
+        this.value = value;
+        this._updateStyle();
+        if (this.value === 100) {
+          return this._stopTrickle();
+        } else if (this.value > 0) {
+          return this._startTrickle();
+        }
+      }
+    };
+
+    ProgressBar.prototype.done = function() {
+      if (this.value > 0) {
+        this.advanceTo(100);
+        return this._reset();
+      }
+    };
+
+    ProgressBar.prototype._reset = function() {
+      var originalOpacity;
+      originalOpacity = this.opacity;
+      setTimeout((function(_this) {
+        return function() {
+          _this.opacity = 0;
+          return _this._updateStyle();
+        };
+      })(this), this.speed / 2);
+      return setTimeout((function(_this) {
+        return function() {
+          _this.value = 0;
+          _this.opacity = originalOpacity;
+          return _this._withSpeed(0, function() {
+            return _this._updateStyle(true);
+          });
+        };
+      })(this), this.speed);
+    };
+
+    ProgressBar.prototype._startTrickle = function() {
+      if (this.trickling) {
+        return;
+      }
+      this.trickling = true;
+      return setTimeout(this._trickle, this.speed);
+    };
+
+    ProgressBar.prototype._stopTrickle = function() {
+      return delete this.trickling;
+    };
+
+    ProgressBar.prototype._trickle = function() {
+      if (!this.trickling) {
+        return;
+      }
+      this.advanceTo(this.value + Math.random() / 2);
+      return setTimeout(this._trickle, this.speed);
+    };
+
+    ProgressBar.prototype._withSpeed = function(speed, fn) {
+      var originalSpeed, result;
+      originalSpeed = this.speed;
+      this.speed = speed;
+      result = fn();
+      this.speed = originalSpeed;
+      return result;
+    };
+
+    ProgressBar.prototype._updateStyle = function(forceRepaint) {
+      if (forceRepaint == null) {
+        forceRepaint = false;
+      }
+      if (forceRepaint) {
+        this._changeContentToForceRepaint();
+      }
+      return this.styleElement.textContent = this._createCSSRule();
+    };
+
+    ProgressBar.prototype._changeContentToForceRepaint = function() {
+      return this.content = this.content === '' ? ' ' : '';
+    };
+
+    ProgressBar.prototype._createCSSRule = function() {
+      return this.elementSelector + "." + className + "::before {\n  content: '" + this.content + "';\n  position: fixed;\n  top: 0;\n  left: 0;\n  z-index: 2000;\n  background-color: #0076ff;\n  height: 3px;\n  opacity: " + this.opacity + ";\n  width: " + this.value + "%;\n  transition: width " + this.speed + "ms ease-out, opacity " + (this.speed / 2) + "ms ease-in;\n  transform: translate3d(0,0,0);\n}";
+    };
+
+    return ProgressBar;
+
+  })();
+
+  bypassOnLoadPopstate = function(fn) {
+    return setTimeout(fn, 500);
+  };
+
+  installDocumentReadyPageEventTriggers = function() {
+    return document.addEventListener('DOMContentLoaded', (function() {
+      triggerEvent(EVENTS.CHANGE);
+      return triggerEvent(EVENTS.UPDATE);
+    }), true);
+  };
+
+  installJqueryAjaxSuccessPageUpdateTrigger = function() {
+    if (typeof jQuery !== 'undefined') {
+      return jQuery(document).on('ajaxSuccess', function(event, xhr, settings) {
+        if (!jQuery.trim(xhr.responseText)) {
+          return;
+        }
+        return triggerEvent(EVENTS.UPDATE);
+      });
+    }
+  };
+
+  installHistoryChangeHandler = function(event) {
+    var cachedPage, ref;
+    if ((ref = event.state) != null ? ref.turbolinks : void 0) {
+      if (cachedPage = pageCache[(new ComponentUrl(event.state.url)).absolute]) {
+        cacheCurrentPage();
+        return fetchHistory(cachedPage);
+      } else {
+        return visit(event.target.location.href);
+      }
+    }
+  };
+
+  initializeTurbolinks = function() {
+    rememberCurrentUrl();
+    rememberCurrentState();
+    document.addEventListener('click', Click.installHandlerLast, true);
+    window.addEventListener('hashchange', function(event) {
+      rememberCurrentUrl();
+      return rememberCurrentState();
+    }, false);
+    return bypassOnLoadPopstate(function() {
+      return window.addEventListener('popstate', installHistoryChangeHandler, false);
+    });
+  };
+
+  historyStateIsDefined = window.history.state !== void 0 || navigator.userAgent.match(/Firefox\/2[6|7]/);
+
+  browserSupportsPushState = window.history && window.history.pushState && window.history.replaceState && historyStateIsDefined;
+
+  browserIsntBuggy = !navigator.userAgent.match(/CriOS\//);
+
+  requestMethodIsSafe = (ref = popCookie('request_method')) === 'GET' || ref === '';
+
+  browserSupportsTurbolinks = browserSupportsPushState && browserIsntBuggy && requestMethodIsSafe;
+
+  browserSupportsCustomEvents = document.addEventListener && document.createEvent;
+
+  if (browserSupportsCustomEvents) {
+    installDocumentReadyPageEventTriggers();
+    installJqueryAjaxSuccessPageUpdateTrigger();
+  }
+
+  if (browserSupportsTurbolinks) {
+    visit = fetch;
+    initializeTurbolinks();
+  } else {
+    visit = function(url) {
+      return document.location.href = url;
+    };
+  }
+
+  this.Turbolinks = {
+    visit: visit,
+    pagesCached: pagesCached,
+    enableTransitionCache: enableTransitionCache,
+    enableProgressBar: enableProgressBar,
+    allowLinkExtensions: Link.allowExtensions,
+    supported: browserSupportsTurbolinks,
+    EVENTS: clone(EVENTS)
+  };
+
+}).call(this);