Merge branch 'develop' of git://github.com/Pita/etherpad-lite

1 files changed, 1000 insertions, 0 deletions

diff --git a/src/static/js/pad.js b/src/static/js/pad.js
new file mode 100644
index 00000000..d19cface
--- /dev/null
+++ b/src/static/js/pad.js
@@ -0,0 +1,1000 @@
+/**
+ * This code is mostly from the old Etherpad. Please help us to comment this code. 
+ * This helps other people to understand this code better and helps them to improve it.
+ * TL;DR COMMENTS ON THIS FILE ARE HIGHLY APPRECIATED
+ */
+
+/**
+ * Copyright 2009 Google Inc., 2011 Peter 'Pita' Martischka (Primary Technology Ltd)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS-IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* global $, window */
+
+var socket;
+
+// These jQuery things should create local references, but for now `require()`
+// assigns to the global `$` and augments it with plugins.
+require('./jquery');
+require('./farbtastic');
+require('./excanvas');
+JSON = require('./json2');
+require('./undo-xpopup');
+require('./prefixfree');
+
+var chat = require('./chat').chat;
+var getCollabClient = require('./collab_client').getCollabClient;
+var padconnectionstatus = require('./pad_connectionstatus').padconnectionstatus;
+var padcookie = require('./pad_cookie').padcookie;
+var paddocbar = require('./pad_docbar').paddocbar;
+var padeditbar = require('./pad_editbar').padeditbar;
+var padeditor = require('./pad_editor').padeditor;
+var padimpexp = require('./pad_impexp').padimpexp;
+var padmodals = require('./pad_modals').padmodals;
+var padsavedrevs = require('./pad_savedrevs').padsavedrevs;
+var paduserlist = require('./pad_userlist').paduserlist;
+var padutils = require('./pad_utils').padutils;
+
+var createCookie = require('./pad_utils').createCookie;
+var readCookie = require('./pad_utils').readCookie;
+var randomString = require('./pad_utils').randomString;
+
+function getParams()
+{
+  var params = getUrlVars()
+  var showControls = params["showControls"];
+  var showChat = params["showChat"];
+  var userName = params["userName"];
+  var showLineNumbers = params["showLineNumbers"];
+  var useMonospaceFont = params["useMonospaceFont"];
+  var IsnoColors = params["noColors"];
+  var hideQRCode = params["hideQRCode"];
+  var rtl = params["rtl"];
+  var alwaysShowChat = params["alwaysShowChat"];
+
+  if(IsnoColors)
+  {
+    if(IsnoColors == "true")
+    {
+      settings.noColors = true;
+      $('#clearAuthorship').hide();
+    }
+  }
+  if(showControls)
+  {
+    if(showControls == "false")
+    { 
+      $('#editbar').hide();
+      $('#editorcontainer').css({"top":"0px"});
+    }
+  }
+  if(showChat)
+  {
+    if(showChat == "false")
+    {
+      $('#chaticon').hide();
+    }
+  }
+  if(showLineNumbers)
+  {
+    if(showLineNumbers == "false")
+    {
+      settings.LineNumbersDisabled = true;
+    }
+  }
+  if(useMonospaceFont)
+  {
+    if(useMonospaceFont == "true")
+    {
+      settings.useMonospaceFontGlobal = true;
+    }
+  }
+  if(userName)
+  {
+    // If the username is set as a parameter we should set a global value that we can call once we have initiated the pad.
+    settings.globalUserName = decodeURIComponent(userName);
+  }
+  if(hideQRCode)
+  {
+    $('#qrcode').hide();
+  }
+  if(rtl)
+  {
+    if(rtl == "true")
+    {
+      settings.rtlIsTrue = true
+    }
+  }
+  if(alwaysShowChat)
+  {
+    if(alwaysShowChat == "true")
+    {
+      chat.stickToScreen();
+    }
+  }
+}
+
+function getUrlVars()
+{
+  var vars = [], hash;
+  var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
+  for(var i = 0; i < hashes.length; i++)
+  {
+    hash = hashes[i].split('=');
+    vars.push(hash[0]);
+    vars[hash[0]] = hash[1];
+  }
+  return vars;
+}
+
+function savePassword()
+{
+  //set the password cookie
+  createCookie("password",$("#passwordinput").val(),null,document.location.pathname);
+  //reload
+  document.location=document.location;
+}
+
+function ieTestXMLHTTP(){
+  // Test for IE known XML HTTP issue
+  if ($.browser.msie && !window.XMLHttpRequest){
+    $("#editorloadingbox").html("You do not have XML HTTP enabled in your browser. <a target='_blank' href='https://github.com/Pita/etherpad-lite/wiki/How-to-enable-native-XMLHTTP-support-in-IE'>Fix this issue</a>");
+  }
+}
+function handshake()
+{
+  var loc = document.location;
+  //get the correct port
+  var port = loc.port == "" ? (loc.protocol == "https:" ? 443 : 80) : loc.port;
+  //create the url
+  var url = loc.protocol + "//" + loc.hostname + ":" + port + "/";
+  //find out in which subfolder we are
+  var resource = loc.pathname.substr(1, loc.pathname.indexOf("/p/")) + "socket.io";
+  //connect
+  socket = pad.socket = io.connect(url, {
+    resource: resource,
+    'max reconnection attempts': 3,
+    'sync disconnect on unload' : false
+  });
+
+  function sendClientReady(isReconnect)
+  {
+    var padId = document.location.pathname.substring(document.location.pathname.lastIndexOf("/") + 1);
+    padId = decodeURIComponent(padId); // unescape neccesary due to Safari and Opera interpretation of spaces
+
+    if(!isReconnect)
+      document.title = padId.replace(/_+/g, ' ') + " | " + document.title;
+
+    var token = readCookie("token");
+    if (token == null)
+    {
+      token = "t." + randomString();
+      createCookie("token", token, 60);
+    }
+    
+    var sessionID = readCookie("sessionID");
+    var password = readCookie("password");
+
+    var msg = {
+      "component": "pad",
+      "type": "CLIENT_READY",
+      "padId": padId,
+      "sessionID": sessionID,
+      "password": password,
+      "token": token,
+      "protocolVersion": 2
+    };
+    
+    //this is a reconnect, lets tell the server our revisionnumber
+    if(isReconnect == true)
+    {
+      msg.client_rev=pad.collabClient.getCurrentRevisionNumber();
+      msg.reconnect=true;
+    }
+    
+    socket.json.send(msg);
+  };
+
+  var disconnectTimeout;
+
+  socket.once('connect', function () {
+    sendClientReady(false);
+  });
+  
+  socket.on('reconnect', function () {
+    //reconnect is before the timeout, lets stop the timeout
+    if(disconnectTimeout)
+    {
+      clearTimeout(disconnectTimeout);
+    }
+
+    pad.collabClient.setChannelState("CONNECTED");
+    sendClientReady(true);
+  });
+  
+  socket.on('disconnect', function (reason) {
+    if(reason == "booted"){
+      pad.collabClient.setChannelState("DISCONNECTED");
+    } else {
+      function disconnectEvent()
+      {
+        pad.collabClient.setChannelState("DISCONNECTED", "reconnect_timeout");
+      }
+      
+      pad.collabClient.setChannelState("RECONNECTING");
+      
+      disconnectTimeout = setTimeout(disconnectEvent, 10000);
+    }
+  });
+
+  var receivedClientVars = false;
+  var initalized = false;
+
+  socket.on('message', function(obj)
+  {
+    //the access was not granted, give the user a message
+    if(!receivedClientVars && obj.accessStatus)
+    {
+      if(obj.accessStatus == "deny")
+      {
+        $("#editorloadingbox").html("<b>You do not have permission to access this pad</b>");
+      }
+      else if(obj.accessStatus == "needPassword")
+      {
+        $("#editorloadingbox").html("<b>You need a password to access this pad</b><br>" +
+                                    "<input id='passwordinput' type='password' name='password'>"+
+                                    "<button type='button' onclick=\"" + padutils.escapeHtml('require('+JSON.stringify(module.id)+").savePassword()") + "\">ok</button>");
+      }
+      else if(obj.accessStatus == "wrongPassword")
+      {
+        $("#editorloadingbox").html("<b>You're password was wrong</b><br>" +
+                                    "<input id='passwordinput' type='password' name='password'>"+
+                                    "<button type='button' onclick=\"" + padutils.escapeHtml('require('+JSON.stringify(module.id)+").savePassword()") + "\">ok</button>");
+      }
+    }
+    
+    //if we haven't recieved the clientVars yet, then this message should it be
+    else if (!receivedClientVars)
+    {
+      //log the message
+      if (window.console) console.log(obj);
+
+      receivedClientVars = true;
+
+      //set some client vars
+      clientVars = obj;
+      clientVars.userAgent = "Anonymous";
+      clientVars.collab_client_vars.clientAgent = "Anonymous";
+
+      //initalize the pad
+      pad._afterHandshake();
+      initalized = true;
+
+      // If the LineNumbersDisabled value is set to true then we need to hide the Line Numbers
+      if (settings.LineNumbersDisabled == true)
+      {
+        pad.changeViewOption('showLineNumbers', false);
+      }
+
+      // If the noColors value is set to true then we need to hide the background colors on the ace spans
+      if (settings.noColors == true)
+      {
+        pad.changeViewOption('noColors', true);
+      }
+      
+      if (settings.rtlIsTrue == true)
+      {
+        pad.changeViewOption('rtl', true);
+      }
+
+      // If the Monospacefont value is set to true then change it to monospace.
+      if (settings.useMonospaceFontGlobal == true)
+      {
+        pad.changeViewOption('useMonospaceFont', true);
+      }
+      // if the globalUserName value is set we need to tell the server and the client about the new authorname
+      if (settings.globalUserName !== false)
+      {
+        pad.notifyChangeName(settings.globalUserName); // Notifies the server
+        pad.myUserInfo.name = settings.globalUserName;
+        $('#myusernameedit').attr({"value":settings.globalUserName}); // Updates the current users UI
+      }
+    }
+    //This handles every Message after the clientVars
+    else
+    {
+      //this message advices the client to disconnect
+      if (obj.disconnect)
+      {
+        padconnectionstatus.disconnected(obj.disconnect);
+        socket.disconnect();
+        return;
+      }
+      else
+      {
+        pad.collabClient.handleMessageFromServer(obj);
+      }
+    }
+  });
+  // Bind the colorpicker
+  var fb = $('#colorpicker').farbtastic({ callback: '#mycolorpickerpreview', width: 220});
+}
+
+var pad = {
+  // don't access these directly from outside this file, except
+  // for debugging
+  collabClient: null,
+  myUserInfo: null,
+  diagnosticInfo: {},
+  initTime: 0,
+  clientTimeOffset: null,
+  preloadedImages: false,
+  padOptions: {},
+
+  // these don't require init; clientVars should all go through here
+  getPadId: function()
+  {
+    return clientVars.padId;
+  },
+  getClientIp: function()
+  {
+    return clientVars.clientIp;
+  },
+  getIsProPad: function()
+  {
+    return clientVars.isProPad;
+  },
+  getColorPalette: function()
+  {
+    return clientVars.colorPalette;
+  },
+  getDisplayUserAgent: function()
+  {
+    return padutils.uaDisplay(clientVars.userAgent);
+  },
+  getIsDebugEnabled: function()
+  {
+    return clientVars.debugEnabled;
+  },
+  getPrivilege: function(name)
+  {
+    return clientVars.accountPrivs[name];
+  },
+  getUserIsGuest: function()
+  {
+    return clientVars.userIsGuest;
+  },
+  getUserId: function()
+  {
+    return pad.myUserInfo.userId;
+  },
+  getUserName: function()
+  {
+    return pad.myUserInfo.name;
+  },
+  sendClientMessage: function(msg)
+  {
+    pad.collabClient.sendClientMessage(msg);
+  },
+
+  init: function()
+  {
+    padutils.setupGlobalExceptionHandler();
+
+    $(document).ready(function()
+    {
+      // test for XML HTTP capabiites
+      ieTestXMLHTTP();
+      // start the custom js
+      if (typeof customStart == "function") customStart();
+      getParams();
+      handshake();
+    });
+  },
+  _afterHandshake: function()
+  {
+    pad.clientTimeOffset = new Date().getTime() - clientVars.serverTimestamp;
+  
+    //initialize the chat
+    chat.init(this);
+    pad.initTime = +(new Date());
+    pad.padOptions = clientVars.initialOptions;
+
+    if ((!$.browser.msie) && (!($.browser.mozilla && $.browser.version.indexOf("1.8.") == 0)))
+    {
+      document.domain = document.domain; // for comet
+    }
+
+    // for IE
+    if ($.browser.msie)
+    {
+      try
+      {
+        doc.execCommand("BackgroundImageCache", false, true);
+      }
+      catch (e)
+      {}
+    }
+
+    // order of inits is important here:
+    padcookie.init(clientVars.cookiePrefsToSet, this);
+      
+    $("#widthprefcheck").click(pad.toggleWidthPref);
+    // $("#sidebarcheck").click(pad.togglewSidebar);
+
+    pad.myUserInfo = {
+      userId: clientVars.userId,
+      name: clientVars.userName,
+      ip: pad.getClientIp(),
+      colorId: clientVars.userColor,
+      userAgent: pad.getDisplayUserAgent()
+    };
+
+    if (clientVars.specialKey)
+    {
+      pad.myUserInfo.specialKey = clientVars.specialKey;
+      if (clientVars.specialKeyTranslation)
+      {
+        $("#specialkeyarea").html("mode: " + String(clientVars.specialKeyTranslation).toUpperCase());
+      }
+    }
+    paddocbar.init(
+    {
+      isTitleEditable: pad.getIsProPad(),
+      initialTitle: clientVars.initialTitle,
+      initialPassword: clientVars.initialPassword,
+      guestPolicy: pad.padOptions.guestPolicy
+    }, this);
+    padimpexp.init(this);
+    padsavedrevs.init(clientVars.initialRevisionList, this);
+
+    padeditor.init(postAceInit, pad.padOptions.view || {}, this);
+
+    paduserlist.init(pad.myUserInfo, this);
+    //    padchat.init(clientVars.chatHistory, pad.myUserInfo);
+    padconnectionstatus.init();
+    padmodals.init(this);
+
+    pad.collabClient = getCollabClient(padeditor.ace, clientVars.collab_client_vars, pad.myUserInfo, {
+      colorPalette: pad.getColorPalette()
+    }, pad);
+    pad.collabClient.setOnUserJoin(pad.handleUserJoin);
+    pad.collabClient.setOnUpdateUserInfo(pad.handleUserUpdate);
+    pad.collabClient.setOnUserLeave(pad.handleUserLeave);
+    pad.collabClient.setOnClientMessage(pad.handleClientMessage);
+    pad.collabClient.setOnServerMessage(pad.handleServerMessage);
+    pad.collabClient.setOnChannelStateChange(pad.handleChannelStateChange);
+    pad.collabClient.setOnInternalAction(pad.handleCollabAction);
+
+    function postAceInit()
+    {
+      padeditbar.init();
+      setTimeout(function()
+      {
+        padeditor.ace.focus();
+      }, 0);
+      if(padcookie.getPref("chatAlwaysVisible")){ // if we have a cookie for always showing chat then show it
+        chat.stickToScreen(true); // stick it to the screen
+        $('#options-stickychat').prop("checked", true); // set the checkbox to on
+      }
+      if(padcookie.getPref("showAuthorshipColors") == false){
+	pad.changeViewOption('showAuthorColors', false);
+      }
+    }
+  },
+  dispose: function()
+  {
+    padeditor.dispose();
+  },
+  notifyChangeName: function(newName)
+  {
+    pad.myUserInfo.name = newName;
+    pad.collabClient.updateUserInfo(pad.myUserInfo);
+    //padchat.handleUserJoinOrUpdate(pad.myUserInfo);
+  },
+  notifyChangeColor: function(newColorId)
+  {
+    pad.myUserInfo.colorId = newColorId;
+    pad.collabClient.updateUserInfo(pad.myUserInfo);
+    //padchat.handleUserJoinOrUpdate(pad.myUserInfo);
+  },
+  notifyChangeTitle: function(newTitle)
+  {
+    pad.collabClient.sendClientMessage(
+    {
+      type: 'padtitle',
+      title: newTitle,
+      changedBy: pad.myUserInfo.name || "unnamed"
+    });
+  },
+  notifyChangePassword: function(newPass)
+  {
+    pad.collabClient.sendClientMessage(
+    {
+      type: 'padpassword',
+      password: newPass,
+      changedBy: pad.myUserInfo.name || "unnamed"
+    });
+  },
+  changePadOption: function(key, value)
+  {
+    var options = {};
+    options[key] = value;
+    pad.handleOptionsChange(options);
+    pad.collabClient.sendClientMessage(
+    {
+      type: 'padoptions',
+      options: options,
+      changedBy: pad.myUserInfo.name || "unnamed"
+    });
+  },
+  changeViewOption: function(key, value)
+  {
+    var options = {
+      view: {}
+    };
+    options.view[key] = value;
+    pad.handleOptionsChange(options);
+  },
+  handleOptionsChange: function(opts)
+  {
+    // opts object is a full set of options or just
+    // some options to change
+    if (opts.view)
+    {
+      if (!pad.padOptions.view)
+      {
+        pad.padOptions.view = {};
+      }
+      for (var k in opts.view)
+      {
+        pad.padOptions.view[k] = opts.view[k];
+      }
+      padeditor.setViewOptions(pad.padOptions.view);
+    }
+    if (opts.guestPolicy)
+    {
+      // order important here
+      pad.padOptions.guestPolicy = opts.guestPolicy;
+      paddocbar.setGuestPolicy(opts.guestPolicy);
+    }
+  },
+  getPadOptions: function()
+  {
+    // caller shouldn't mutate the object
+    return pad.padOptions;
+  },
+  isPadPublic: function()
+  {
+    return (!pad.getIsProPad()) || (pad.getPadOptions().guestPolicy == 'allow');
+  },
+  suggestUserName: function(userId, name)
+  {
+    pad.collabClient.sendClientMessage(
+    {
+      type: 'suggestUserName',
+      unnamedId: userId,
+      newName: name
+    });
+  },
+  handleUserJoin: function(userInfo)
+  {
+    paduserlist.userJoinOrUpdate(userInfo);
+    //padchat.handleUserJoinOrUpdate(userInfo);
+  },
+  handleUserUpdate: function(userInfo)
+  {
+    paduserlist.userJoinOrUpdate(userInfo);
+    //padchat.handleUserJoinOrUpdate(userInfo);
+  },
+  handleUserLeave: function(userInfo)
+  {
+    paduserlist.userLeave(userInfo);
+    //padchat.handleUserLeave(userInfo);
+  },
+  handleClientMessage: function(msg)
+  {
+    if (msg.type == 'suggestUserName')
+    {
+      if (msg.unnamedId == pad.myUserInfo.userId && msg.newName && !pad.myUserInfo.name)
+      {
+        pad.notifyChangeName(msg.newName);
+        paduserlist.setMyUserInfo(pad.myUserInfo);
+      }
+    }
+    else if (msg.type == 'chat')
+    {
+      //padchat.receiveChat(msg);
+    }
+    else if (msg.type == 'padtitle')
+    {
+      paddocbar.changeTitle(msg.title);
+    }
+    else if (msg.type == 'padpassword')
+    {
+      paddocbar.changePassword(msg.password);
+    }
+    else if (msg.type == 'newRevisionList')
+    {
+      padsavedrevs.newRevisionList(msg.revisionList);
+    }
+    else if (msg.type == 'revisionLabel')
+    {
+      padsavedrevs.newRevisionList(msg.revisionList);
+    }
+    else if (msg.type == 'padoptions')
+    {
+      var opts = msg.options;
+      pad.handleOptionsChange(opts);
+    }
+    else if (msg.type == 'guestanswer')
+    {
+      // someone answered a prompt, remove it
+      paduserlist.removeGuestPrompt(msg.guestId);
+    }
+  },
+  editbarClick: function(cmd)
+  {
+    if (padeditbar)
+    {
+      padeditbar.toolbarClick(cmd);
+    }
+  },
+  dmesg: function(m)
+  {
+    if (pad.getIsDebugEnabled())
+    {
+      var djs = $('#djs').get(0);
+      var wasAtBottom = (djs.scrollTop - (djs.scrollHeight - $(djs).height()) >= -20);
+      $('#djs').append('<p>' + m + '</p>');
+      if (wasAtBottom)
+      {
+        djs.scrollTop = djs.scrollHeight;
+      }
+    }
+  },
+  handleServerMessage: function(m)
+  {
+    if (m.type == 'NOTICE')
+    {
+      if (m.text)
+      {
+        alertBar.displayMessage(function(abar)
+        {
+          abar.find("#servermsgdate").html(" (" + padutils.simpleDateTime(new Date) + ")");
+          abar.find("#servermsgtext").html(m.text);
+        });
+      }
+      if (m.js)
+      {
+        window['ev' + 'al'](m.js);
+      }
+    }
+    else if (m.type == 'GUEST_PROMPT')
+    {
+      paduserlist.showGuestPrompt(m.userId, m.displayName);
+    }
+  },
+  handleChannelStateChange: function(newState, message)
+  {
+    var oldFullyConnected = !! padconnectionstatus.isFullyConnected();
+    var wasConnecting = (padconnectionstatus.getStatus().what == 'connecting');
+    if (newState == "CONNECTED")
+    {
+      padconnectionstatus.connected();
+    }
+    else if (newState == "RECONNECTING")
+    {
+      padconnectionstatus.reconnecting();
+    }
+    else if (newState == "DISCONNECTED")
+    {
+      pad.diagnosticInfo.disconnectedMessage = message;
+      pad.diagnosticInfo.padId = pad.getPadId();
+      pad.diagnosticInfo.socket = {};
+      
+      //we filter non objects from the socket object and put them in the diagnosticInfo 
+      //this ensures we have no cyclic data - this allows us to stringify the data
+      for(var i in socket.socket)
+      {
+        var value = socket.socket[i];
+        var type = typeof value;
+        
+        if(type == "string" || type == "number")
+        {
+          pad.diagnosticInfo.socket[i] = value;
+        }
+      }
+    
+      pad.asyncSendDiagnosticInfo();
+      if (typeof window.ajlog == "string")
+      {
+        window.ajlog += ("Disconnected: " + message + '\n');
+      }
+      padeditor.disable();
+      padeditbar.disable();
+      paddocbar.disable();
+      padimpexp.disable();
+
+      padconnectionstatus.disconnected(message);
+    }
+    var newFullyConnected = !! padconnectionstatus.isFullyConnected();
+    if (newFullyConnected != oldFullyConnected)
+    {
+      pad.handleIsFullyConnected(newFullyConnected, wasConnecting);
+    }
+  },
+  handleIsFullyConnected: function(isConnected, isInitialConnect)
+  {
+    // load all images referenced from CSS, one at a time,
+    // starting one second after connection is first established.
+    if (isConnected && !pad.preloadedImages)
+    {
+      window.setTimeout(function()
+      {
+        if (!pad.preloadedImages)
+        {
+          pad.preloadImages();
+          pad.preloadedImages = true;
+        }
+      }, 1000);
+    }
+
+    padsavedrevs.handleIsFullyConnected(isConnected);
+
+    // pad.determineSidebarVisibility(isConnected && !isInitialConnect);
+    pad.determineChatVisibility(isConnected && !isInitialConnect);
+    pad.determineAuthorshipColorsVisibility();
+
+  },
+/*  determineSidebarVisibility: function(asNowConnectedFeedback)
+  {
+    if (pad.isFullyConnected())
+    {
+      var setSidebarVisibility = padutils.getCancellableAction("set-sidebar-visibility", function()
+      {
+        // $("body").toggleClass('hidesidebar', !! padcookie.getPref('hideSidebar'));
+      });
+      window.setTimeout(setSidebarVisibility, asNowConnectedFeedback ? 3000 : 0);
+    }
+    else
+    {
+      padutils.cancelActions("set-sidebar-visibility");
+      $("body").removeClass('hidesidebar');
+    }
+  },
+*/
+  determineChatVisibility: function(asNowConnectedFeedback){
+    var chatVisCookie = padcookie.getPref('chatAlwaysVisible');
+    if(chatVisCookie){ // if the cookie is set for chat always visible
+      chat.stickToScreen(true); // stick it to the screen
+      $('#options-stickychat').prop("checked", true); // set the checkbox to on
+    }
+    else{
+      $('#options-stickychat').prop("checked", false); // set the checkbox for off
+    }
+  },
+  determineAuthorshipColorsVisibility: function(){
+    var authColCookie = padcookie.getPref('showAuthorshipColors');
+    if (authColCookie){
+      pad.changeViewOption('showAuthorColors', true);
+      $('#options-colorscheck').prop("checked", true);
+    }
+    else {
+      $('#options-colorscheck').prop("checked", false);
+    }
+  },
+  handleCollabAction: function(action)
+  {
+    if (action == "commitPerformed")
+    {
+      padeditbar.setSyncStatus("syncing");
+    }
+    else if (action == "newlyIdle")
+    {
+      padeditbar.setSyncStatus("done");
+    }
+  },
+  hideServerMessage: function()
+  {
+    alertBar.hideMessage();
+  },
+  asyncSendDiagnosticInfo: function()
+  {
+    window.setTimeout(function()
+    {
+      $.ajax(
+      {
+        type: 'post',
+        url: '/ep/pad/connection-diagnostic-info',
+        data: {
+          diagnosticInfo: JSON.stringify(pad.diagnosticInfo)
+        },
+        success: function()
+        {},
+        error: function()
+        {}
+      });
+    }, 0);
+  },
+  forceReconnect: function()
+  {
+    $('form#reconnectform input.padId').val(pad.getPadId());
+    pad.diagnosticInfo.collabDiagnosticInfo = pad.collabClient.getDiagnosticInfo();
+    $('form#reconnectform input.diagnosticInfo').val(JSON.stringify(pad.diagnosticInfo));
+    $('form#reconnectform input.missedChanges').val(JSON.stringify(pad.collabClient.getMissedChanges()));
+    $('form#reconnectform').submit();
+  },
+  toggleWidthPref: function()
+  {
+    var newValue = !padcookie.getPref('fullWidth');
+    padcookie.setPref('fullWidth', newValue);
+    $("#widthprefcheck").toggleClass('widthprefchecked', !! newValue).toggleClass('widthprefunchecked', !newValue);
+    pad.handleWidthChange();
+  },
+/*
+  toggleSidebar: function()
+  {
+    var newValue = !padcookie.getPref('hideSidebar');
+    padcookie.setPref('hideSidebar', newValue);
+    $("#sidebarcheck").toggleClass('sidebarchecked', !newValue).toggleClass('sidebarunchecked', !! newValue);
+    pad.determineSidebarVisibility();
+  },
+*/
+  handleWidthChange: function()
+  {
+    var isFullWidth = padcookie.getPref('fullWidth');
+    if (isFullWidth)
+    {
+      $("body").addClass('fullwidth').removeClass('limwidth').removeClass('squish1width').removeClass('squish2width');
+    }
+    else
+    {
+      $("body").addClass('limwidth').removeClass('fullwidth');
+
+      var pageWidth = $(window).width();
+      $("body").toggleClass('squish1width', (pageWidth < 912 && pageWidth > 812)).toggleClass('squish2width', (pageWidth <= 812));
+    }
+  },
+  // this is called from code put into a frame from the server:
+  handleImportExportFrameCall: function(callName, varargs)
+  {
+    padimpexp.handleFrameCall.call(padimpexp, callName, Array.prototype.slice.call(arguments, 1));
+  },
+  callWhenNotCommitting: function(f)
+  {
+    pad.collabClient.callWhenNotCommitting(f);
+  },
+  getCollabRevisionNumber: function()
+  {
+    return pad.collabClient.getCurrentRevisionNumber();
+  },
+  isFullyConnected: function()
+  {
+    return padconnectionstatus.isFullyConnected();
+  },
+  addHistoricalAuthors: function(data)
+  {
+    if (!pad.collabClient)
+    {
+      window.setTimeout(function()
+      {
+        pad.addHistoricalAuthors(data);
+      }, 1000);
+    }
+    else
+    {
+      pad.collabClient.addHistoricalAuthors(data);
+    }
+  },
+  preloadImages: function()
+  {
+    var images = ["../static/img/connectingbar.gif"];
+
+    function loadNextImage()
+    {
+      if (images.length == 0)
+      {
+        return;
+      }
+      var img = new Image();
+      img.src = images.shift();
+      if (img.complete)
+      {
+        scheduleLoadNextImage();
+      }
+      else
+      {
+        $(img).bind('error load onreadystatechange', scheduleLoadNextImage);
+      }
+    }
+
+    function scheduleLoadNextImage()
+    {
+      window.setTimeout(loadNextImage, 0);
+    }
+    scheduleLoadNextImage();
+  }
+};
+
+var alertBar = (function()
+{
+
+  var animator = padutils.makeShowHideAnimator(arriveAtAnimationState, false, 25, 400);
+
+  function arriveAtAnimationState(state)
+  {
+    if (state == -1)
+    {
+      $("#alertbar").css('opacity', 0).css('display', 'block');
+    }
+    else if (state == 0)
+    {
+      $("#alertbar").css('opacity', 1);
+    }
+    else if (state == 1)
+    {
+      $("#alertbar").css('opacity', 0).css('display', 'none');
+    }
+    else if (state < 0)
+    {
+      $("#alertbar").css('opacity', state + 1);
+    }
+    else if (state > 0)
+    {
+      $("#alertbar").css('opacity', 1 - state);
+    }
+  }
+
+  var self = {
+    displayMessage: function(setupFunc)
+    {
+      animator.show();
+      setupFunc($("#alertbar"));
+    },
+    hideMessage: function()
+    {
+      animator.hide();
+    }
+  };
+  return self;
+}());
+
+function init() {
+  return pad.init();
+}
+
+var settings = {
+  LineNumbersDisabled: false
+, noColors: false
+, useMonospaceFontGlobal: false
+, globalUserName: false
+, hideQRCode: false
+, rtlIsTrue: false
+};
+
+pad.settings = settings;
+
+exports.settings = settings;
+exports.createCookie = createCookie;
+exports.readCookie = readCookie;
+exports.randomString = randomString;
+exports.getParams = getParams;
+exports.getUrlVars = getUrlVars;
+exports.savePassword = savePassword;
+exports.handshake = handshake;
+exports.pad = pad;
+exports.init = init;
+exports.alertBar = alertBar;
+