953 lines
24 KiB
JavaScript
953 lines
24 KiB
JavaScript
/**
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* This code is mostly from the old Etherpad. Please help us to comment this code.
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* This helps other people to understand this code better and helps them to improve it.
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* TL;DR COMMENTS ON THIS FILE ARE HIGHLY APPRECIATED
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*/
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/**
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* Copyright 2009 Google Inc., 2011 Peter 'Pita' Martischka (Primary Technology Ltd)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS-IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* global $, window */
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var socket;
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var LineNumbersDisabled = false;
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var noColors = false;
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var useMonospaceFontGlobal = false;
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var globalUserName = false;
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var hideQRCode = false;
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var rtlIsTrue = false;
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$(document).ready(function()
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{
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//start the costum js
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if(typeof costumStart == "function") costumStart();
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getParams();
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handshake();
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});
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$(window).unload(function()
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{
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pad.dispose();
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});
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function createCookie(name, value, days, path)
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{
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if (days)
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{
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var date = new Date();
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date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
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var expires = "; expires=" + date.toGMTString();
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}
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else var expires = "";
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if(!path)
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path = "/";
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document.cookie = name + "=" + value + expires + "; path=" + path;
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}
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function readCookie(name)
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{
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var nameEQ = name + "=";
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var ca = document.cookie.split(';');
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for (var i = 0; i < ca.length; i++)
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{
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var c = ca[i];
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while (c.charAt(0) == ' ') c = c.substring(1, c.length);
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if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
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}
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return null;
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}
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function randomString()
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{
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var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
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var string_length = 20;
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var randomstring = '';
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for (var i = 0; i < string_length; i++)
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{
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var rnum = Math.floor(Math.random() * chars.length);
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randomstring += chars.substring(rnum, rnum + 1);
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}
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return "t." + randomstring;
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}
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function getParams()
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{
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var params = getUrlVars()
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var showControls = params["showControls"];
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var showChat = params["showChat"];
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var userName = params["userName"];
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var showLineNumbers = params["showLineNumbers"];
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var useMonospaceFont = params["useMonospaceFont"];
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var IsnoColors = params["noColors"];
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var hideQRCode = params["hideQRCode"];
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var rtl = params["rtl"];
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if(IsnoColors)
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{
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if(IsnoColors == "true")
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{
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noColors = true;
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$('#clearAuthorship').hide();
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}
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}
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if(showControls)
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{
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if(showControls == "false")
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{
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$('#editbar').hide();
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$('#editorcontainer').css({"top":"0px"});
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}
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}
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if(showChat)
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{
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if(showChat == "false")
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{
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$('#chaticon').hide();
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}
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}
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if(showLineNumbers)
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{
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if(showLineNumbers == "false")
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{
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LineNumbersDisabled = true;
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}
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}
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if(useMonospaceFont)
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{
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if(useMonospaceFont == "true")
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{
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useMonospaceFontGlobal = true;
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}
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}
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if(userName)
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{
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// If the username is set as a parameter we should set a global value that we can call once we have initiated the pad.
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globalUserName = unescape(userName);
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}
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if(hideQRCode)
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{
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$('#qrcode').hide();
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}
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if(rtl)
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{
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if(rtl == "true")
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{
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rtlIsTrue = true
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}
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}
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}
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function getUrlVars()
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{
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var vars = [], hash;
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var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
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for(var i = 0; i < hashes.length; i++)
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{
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hash = hashes[i].split('=');
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vars.push(hash[0]);
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vars[hash[0]] = hash[1];
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}
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return vars;
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}
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function savePassword()
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{
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//set the password cookie
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createCookie("password",$("#passwordinput").val(),null,document.location.pathname);
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//reload
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document.location=document.location;
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}
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function handshake()
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{
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var loc = document.location;
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//get the correct port
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var port = loc.port == "" ? (loc.protocol == "https:" ? 443 : 80) : loc.port;
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//create the url
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var url = loc.protocol + "//" + loc.hostname + ":" + port + "/";
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//find out in which subfolder we are
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var resource = loc.pathname.substr(1, loc.pathname.indexOf("/p/")) + "socket.io";
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//connect
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socket = io.connect(url, {
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resource: resource,
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'max reconnection attempts': 3
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});
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function sendClientReady(isReconnect)
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{
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var padId = document.location.pathname.substring(document.location.pathname.lastIndexOf("/") + 1);
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padId = decodeURIComponent(padId); // unescape neccesary due to Safari and Opera interpretation of spaces
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if(!isReconnect)
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document.title = document.title + " | " + padId.replace(/_+/g, ' ');
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var token = readCookie("token");
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if (token == null)
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{
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token = randomString();
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createCookie("token", token, 60);
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}
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var sessionID = readCookie("sessionID");
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var password = readCookie("password");
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var msg = {
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"component": "pad",
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"type": "CLIENT_READY",
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"padId": padId,
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"sessionID": sessionID,
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"password": password,
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"token": token,
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"protocolVersion": 2
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};
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//this is a reconnect, lets tell the server our revisionnumber
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if(isReconnect == true)
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{
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msg.client_rev=pad.collabClient.getCurrentRevisionNumber();
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msg.reconnect=true;
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}
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socket.json.send(msg);
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};
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var disconnectTimeout;
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socket.once('connect', function () {
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sendClientReady(false);
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});
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socket.on('reconnect', function () {
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//reconnect is before the timeout, lets stop the timeout
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if(disconnectTimeout)
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{
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clearTimeout(disconnectTimeout);
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}
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pad.collabClient.setChannelState("CONNECTED");
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sendClientReady(true);
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});
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socket.on('disconnect', function () {
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function disconnectEvent()
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{
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pad.collabClient.setChannelState("DISCONNECTED", "reconnect_timeout");
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}
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pad.collabClient.setChannelState("RECONNECTING");
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disconnectTimeout = setTimeout(disconnectEvent, 10000);
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});
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var receivedClientVars = false;
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var initalized = false;
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socket.on('message', function(obj)
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{
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//the access was not granted, give the user a message
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if(!receivedClientVars && obj.accessStatus)
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{
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if(obj.accessStatus == "deny")
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{
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$("#editorloadingbox").html("<b>You do not have permission to access this pad</b>");
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}
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else if(obj.accessStatus == "needPassword")
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{
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$("#editorloadingbox").html("<b>You need a password to access this pad</b><br>" +
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"<input id='passwordinput' type='password' name='password'>"+
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"<button type='button' onclick='savePassword()'>ok</button>");
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}
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else if(obj.accessStatus == "wrongPassword")
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{
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$("#editorloadingbox").html("<b>You're password was wrong</b><br>" +
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"<input id='passwordinput' type='password' name='password'>"+
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"<button type='button' onclick='savePassword()'>ok</button>");
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}
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}
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//if we haven't recieved the clientVars yet, then this message should it be
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else if (!receivedClientVars)
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{
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//log the message
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if (window.console) console.log(obj);
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receivedClientVars = true;
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//set some client vars
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clientVars = obj;
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clientVars.userAgent = "Anonymous";
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clientVars.collab_client_vars.clientAgent = "Anonymous";
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//initalize the pad
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pad.init();
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initalized = true;
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// If the LineNumbersDisabled value is set to true then we need to hide the Line Numbers
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if (LineNumbersDisabled == true)
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{
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pad.changeViewOption('showLineNumbers', false);
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}
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// If the noColors value is set to true then we need to hide the backround colors on the ace spans
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if (noColors == true)
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{
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pad.changeViewOption('noColors', true);
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}
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if (rtlIsTrue == true)
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{
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pad.changeViewOption('rtl', true);
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}
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// If the Monospacefont value is set to true then change it to monospace.
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if (useMonospaceFontGlobal == true)
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{
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pad.changeViewOption('useMonospaceFont', true);
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}
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// if the globalUserName value is set we need to tell the server and the client about the new authorname
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if (globalUserName !== false)
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{
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pad.notifyChangeName(globalUserName); // Notifies the server
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pad.myUserInfo.name = globalUserName;
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$('#myusernameedit').attr({"value":globalUserName}); // Updates the current users UI
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}
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}
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//This handles every Message after the clientVars
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else
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{
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//this message advices the client to disconnect
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if (obj.disconnect)
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{
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padconnectionstatus.disconnected(obj.disconnect);
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socket.disconnect();
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return;
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}
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else
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{
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pad.collabClient.handleMessageFromServer(obj);
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}
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}
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});
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// Bind the colorpicker
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var fb = $('#colorpicker').farbtastic({ callback: '#mycolorpickerpreview', width: 220});
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}
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var pad = {
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// don't access these directly from outside this file, except
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// for debugging
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collabClient: null,
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myUserInfo: null,
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diagnosticInfo: {},
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initTime: 0,
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clientTimeOffset: null,
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preloadedImages: false,
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padOptions: {},
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// these don't require init; clientVars should all go through here
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getPadId: function()
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{
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return clientVars.padId;
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},
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getClientIp: function()
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{
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return clientVars.clientIp;
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},
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getIsProPad: function()
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{
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return clientVars.isProPad;
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},
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getColorPalette: function()
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{
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return clientVars.colorPalette;
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},
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getDisplayUserAgent: function()
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{
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return padutils.uaDisplay(clientVars.userAgent);
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},
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getIsDebugEnabled: function()
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{
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return clientVars.debugEnabled;
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},
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getPrivilege: function(name)
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{
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return clientVars.accountPrivs[name];
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},
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getUserIsGuest: function()
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{
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return clientVars.userIsGuest;
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},
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//
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getUserId: function()
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{
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return pad.myUserInfo.userId;
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},
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getUserName: function()
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{
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return pad.myUserInfo.name;
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},
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sendClientMessage: function(msg)
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{
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pad.collabClient.sendClientMessage(msg);
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},
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init: function()
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{
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pad.clientTimeOffset = new Date().getTime() - clientVars.serverTimestamp;
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//initialize the chat
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chat.init();
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pad.initTime = +(new Date());
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pad.padOptions = clientVars.initialOptions;
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if ((!$.browser.msie) && (!($.browser.mozilla && $.browser.version.indexOf("1.8.") == 0)))
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{
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document.domain = document.domain; // for comet
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}
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// for IE
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if ($.browser.msie)
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{
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try
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{
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doc.execCommand("BackgroundImageCache", false, true);
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}
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catch (e)
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{}
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}
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// order of inits is important here:
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padcookie.init(clientVars.cookiePrefsToSet);
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$("#widthprefcheck").click(pad.toggleWidthPref);
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$("#sidebarcheck").click(pad.toggleSidebar);
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pad.myUserInfo = {
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userId: clientVars.userId,
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name: clientVars.userName,
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ip: pad.getClientIp(),
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colorId: clientVars.userColor,
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userAgent: pad.getDisplayUserAgent()
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};
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if (clientVars.specialKey)
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{
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pad.myUserInfo.specialKey = clientVars.specialKey;
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if (clientVars.specialKeyTranslation)
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{
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$("#specialkeyarea").html("mode: " + String(clientVars.specialKeyTranslation).toUpperCase());
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}
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}
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paddocbar.init(
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{
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isTitleEditable: pad.getIsProPad(),
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initialTitle: clientVars.initialTitle,
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initialPassword: clientVars.initialPassword,
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guestPolicy: pad.padOptions.guestPolicy
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});
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padimpexp.init();
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padsavedrevs.init(clientVars.initialRevisionList);
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padeditor.init(postAceInit, pad.padOptions.view || {});
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paduserlist.init(pad.myUserInfo);
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// padchat.init(clientVars.chatHistory, pad.myUserInfo);
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padconnectionstatus.init();
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padmodals.init();
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pad.collabClient = getCollabClient(padeditor.ace, clientVars.collab_client_vars, pad.myUserInfo, {
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colorPalette: pad.getColorPalette()
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});
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pad.collabClient.setOnUserJoin(pad.handleUserJoin);
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pad.collabClient.setOnUpdateUserInfo(pad.handleUserUpdate);
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pad.collabClient.setOnUserLeave(pad.handleUserLeave);
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pad.collabClient.setOnClientMessage(pad.handleClientMessage);
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pad.collabClient.setOnServerMessage(pad.handleServerMessage);
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pad.collabClient.setOnChannelStateChange(pad.handleChannelStateChange);
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pad.collabClient.setOnInternalAction(pad.handleCollabAction);
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function postAceInit()
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{
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padeditbar.init();
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setTimeout(function()
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{
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padeditor.ace.focus();
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}, 0);
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}
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},
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dispose: function()
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{
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padeditor.dispose();
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},
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notifyChangeName: function(newName)
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{
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pad.myUserInfo.name = newName;
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pad.collabClient.updateUserInfo(pad.myUserInfo);
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//padchat.handleUserJoinOrUpdate(pad.myUserInfo);
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},
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notifyChangeColor: function(newColorId)
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{
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pad.myUserInfo.colorId = newColorId;
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pad.collabClient.updateUserInfo(pad.myUserInfo);
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//padchat.handleUserJoinOrUpdate(pad.myUserInfo);
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},
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notifyChangeTitle: function(newTitle)
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{
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pad.collabClient.sendClientMessage(
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{
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type: 'padtitle',
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title: newTitle,
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changedBy: pad.myUserInfo.name || "unnamed"
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});
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},
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notifyChangePassword: function(newPass)
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{
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pad.collabClient.sendClientMessage(
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{
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type: 'padpassword',
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password: newPass,
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changedBy: pad.myUserInfo.name || "unnamed"
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});
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},
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changePadOption: function(key, value)
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{
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var options = {};
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options[key] = value;
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pad.handleOptionsChange(options);
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pad.collabClient.sendClientMessage(
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{
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type: 'padoptions',
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options: options,
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changedBy: pad.myUserInfo.name || "unnamed"
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});
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},
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changeViewOption: function(key, value)
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{
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var options = {
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view: {}
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};
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options.view[key] = value;
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pad.handleOptionsChange(options);
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// if the request isn't to hide line numbers then broadcast this to other users
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if (key != "showLineNumbers" && key != "useMonospaceFont")
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{
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pad.collabClient.sendClientMessage(
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{
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type: 'padoptions',
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options: options,
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changedBy: pad.myUserInfo.name || "unnamed"
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});
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}
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},
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handleOptionsChange: function(opts)
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{
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// opts object is a full set of options or just
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// some options to change
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if (opts.view)
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{
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if (!pad.padOptions.view)
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{
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pad.padOptions.view = {};
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}
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for (var k in opts.view)
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{
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pad.padOptions.view[k] = opts.view[k];
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}
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padeditor.setViewOptions(pad.padOptions.view);
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}
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if (opts.guestPolicy)
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|
{
|
|
// 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);
|
|
},
|
|
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');
|
|
}
|
|
},
|
|
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;
|
|
}());
|