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/**
* 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.
*
* 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.
*/
// These jQuery things should create local references, but for now `require()`
// assigns to the global `$` and augments it with plugins.
require('./jquery');
JSON = require('./json2');
require('./undo-xpopup');
var createCookie = require('./pad_utils').createCookie;
var readCookie = require('./pad_utils').readCookie;
var randomString = require('./pad_utils').randomString;
var socket, token, padId, export_links;
function init() {
$(document).ready(function ()
{
// start the custom js
if (typeof customStart == "function") customStart();
//get the padId out of the url
var urlParts= document.location.pathname.split("/");
padId = decodeURIComponent(urlParts[urlParts.length-2]);
//set the title
document.title = padId.replace(/_+/g, ' ') + " | " + document.title;
//ensure we have a token
token = readCookie("token");
if(token == null)
{
token = "t." + randomString();
createCookie("token", token, 60);
}
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";
//build up the socket io connection
socket = io.connect(url, {resource: resource});
//send the ready message once we're connected
socket.on('connect', function()
{
sendSocketMsg("CLIENT_READY", {});
});
//route the incoming messages
socket.on('message', function(message)
{
if(window.console) console.log(message);
if(message.type == "CLIENT_VARS")
{
handleClientVars(message);
}
else if(message.type == "CHANGESET_REQ")
{
changesetLoader.handleSocketResponse(message);
}
else if(message.accessStatus)
{
$("body").html("<h2>You have no permission to access this pad</h2>")
}
});
//get all the export links
export_links = $('#export > .exportlink')
if(document.referrer.length > 0 && document.referrer.substring(document.referrer.lastIndexOf("/")-1,document.referrer.lastIndexOf("/")) === "p") {
$("#returnbutton").attr("href", document.referrer);
} else {
$("#returnbutton").attr("href", document.location.href.substring(0,document.location.href.lastIndexOf("/")));
}
});
}
//sends a message over the socket
function sendSocketMsg(type, data)
{
var sessionID = readCookie("sessionID");
var password = readCookie("password");
var msg = { "component" : "timeslider",
"type": type,
"data": data,
"padId": padId,
"token": token,
"sessionID": sessionID,
"password": password,
"protocolVersion": 2};
socket.json.send(msg);
}
var fireWhenAllScriptsAreLoaded = [];
var BroadcastSlider, changesetLoader;
function handleClientVars(message)
{
//save the client Vars
clientVars = message.data;
//load all script that doesn't work without the clientVars
BroadcastSlider = require('./broadcast_slider').loadBroadcastSliderJS(fireWhenAllScriptsAreLoaded);
require('./broadcast_revisions').loadBroadcastRevisionsJS();
changesetLoader = require('./broadcast').loadBroadcastJS(socket, sendSocketMsg, fireWhenAllScriptsAreLoaded, BroadcastSlider);
//initialize export ui
require('./pad_impexp').padimpexp.init();
//change export urls when the slider moves
var export_rev_regex = /(\/\d+)?\/export/
BroadcastSlider.onSlider(function(revno)
{
export_links.each(function()
{
this.setAttribute('href', this.href.replace(export_rev_regex, '/' + revno + '/export'));
});
});
//fire all start functions of these scripts, formerly fired with window.load
for(var i=0;i < fireWhenAllScriptsAreLoaded.length;i++)
{
fireWhenAllScriptsAreLoaded[i]();
}
}
exports.init = init;
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