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289 lines
10 KiB
JavaScript
289 lines
10 KiB
JavaScript
require.config({ paths: { 'json.sortify': '/bower_components/json.sortify/dist/JSON.sortify' } });
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define([
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'/api/config?cb=' + Math.random().toString(16).substring(2),
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// '/code/rt_codemirror.js',
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'/common/messages.js',
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'/common/crypto.js',
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'/common/realtime-input.js',
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'/common/TextPatcher.js',
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'/common/toolbar.js',
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'json.sortify',
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'/common/json-ot.js',
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'/bower_components/jquery/dist/jquery.min.js',
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'/customize/pad.js'
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], function (Config, /*RTCode,*/ Messages, Crypto, Realtime, TextPatcher, Toolbar, JSONSortify, JsonOT) {
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var $ = window.jQuery;
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var module = window.APP = {};
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var ifrw = module.ifrw = $('#pad-iframe')[0].contentWindow;
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var stringify = function (obj) {
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return JSONSortify(obj);
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};
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$(function () {
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var userName = Crypto.rand64(8),
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toolbar;
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var key;
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var channel = '';
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var hash = false;
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if (!/#/.test(window.location.href)) {
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key = Crypto.genKey();
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} else {
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hash = window.location.hash.slice(1);
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channel = hash.slice(0, 32);
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key = hash.slice(32);
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}
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var andThen = function (CMeditor) {
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var $pad = $('#pad-iframe');
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var $textarea = $pad.contents().find('#editor1');
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var editor = module.editor = CMeditor.fromTextArea($textarea[0], {
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lineNumbers: true,
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lineWrapping: true,
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autoCloseBrackets: true,
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matchBrackets : true,
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showTrailingSpace : true,
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styleActiveLine : true,
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search: true,
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highlightSelectionMatches: {showToken: /\w+/},
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extraKeys: {"Ctrl-Q": function(cm){ cm.foldCode(cm.getCursor()); }},
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foldGutter: true,
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gutters: ["CodeMirror-linenumbers", "CodeMirror-foldgutter"],
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mode: "javascript"
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});
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var userList = {}; // List of pretty name of all users (mapped with their server ID)
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var toolbarList; // List of users still connected to the channel (server IDs)
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var addToUserList = function(data) {
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for (var attrname in data) { userList[attrname] = data[attrname]; }
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if(toolbarList && typeof toolbarList.onChange === "function") {
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toolbarList.onChange(userList);
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}
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};
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var myData = {};
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var myUserName = ''; // My "pretty name"
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var myID; // My server ID
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var setMyID = function(info) {
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myID = info.myID || null;
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myUserName = myID;
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};
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var createChangeName = function(id, $container) {
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var buttonElmt = $container.find('#'+id)[0];
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buttonElmt.addEventListener("click", function() {
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var newName = window.prompt("Change your name :", myUserName);
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if (newName && newName.trim()) {
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var myUserNameTemp = newName.trim();
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if(newName.trim().length > 32) {
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myUserNameTemp = myUserNameTemp.substr(0, 32);
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}
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myUserName = myUserNameTemp;
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myData[myID] = {
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name: myUserName
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};
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addToUserList(myData);
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onLocal();
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}
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});
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};
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var config = {
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//initialState: Messages.codeInitialState,
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userName: userName,
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websocketURL: Config.websocketURL,
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channel: channel,
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cryptKey: key,
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crypto: Crypto,
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setMyID: setMyID,
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transformFunction: JsonOT.validate
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};
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// TODO lock editor until chain is synced
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// then unlock
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var setEditable = function () { };
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var canonicalize = function (t) { return t.replace(/\r\n/g, '\n'); };
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var initializing = true;
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var onInit = config.onInit = function (info) {
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var $bar = $('#pad-iframe')[0].contentWindow.$('#cme_toolbox');
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toolbarList = info.userList;
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var config = {
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userData: userList,
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changeNameID: 'cryptpad-changeName'
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};
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toolbar = info.realtime.toolbar = Toolbar.create($bar, info.myID, info.realtime, info.getLag, info.userList, config);
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createChangeName('cryptpad-changeName', $bar);
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window.location.hash = info.channel + key;
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/*if (!hash) {
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editor.setValue(Messages.codeInitialState);
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module.patchText(Messages.codeInitialState);
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module.patchText(Messages.codeInitialState);
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editor.setValue(Messages.codeInitialState);
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}*/
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//$(window).on('hashchange', function() { window.location.reload(); });
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};
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var updateUserList = function(shjson) {
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// Extract the user list (metadata) from the hyperjson
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var hjson = (shjson === "") ? "" : JSON.parse(shjson);
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if(hjson && hjson.metadata) {
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var userData = hjson.metadata;
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// Update the local user data
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addToUserList(userData);
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}
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}
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var onReady = config.onReady = function (info) {
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var realtime = module.realtime = info.realtime;
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module.patchText = TextPatcher.create({
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realtime: realtime,
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//logging: true
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});
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var userDoc = module.realtime.getUserDoc();
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var newDoc = "";
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if(userDoc !== "") {
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var hjson = JSON.parse(userDoc);
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newDoc = hjson.content;
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}
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// Update the user list (metadata) from the hyperjson
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//updateUserList(shjson);
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editor.setValue(newDoc);
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initializing = false;
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};
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var cursorToPos = function(cursor, oldText) {
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var cLine = cursor.line;
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var cCh = cursor.ch;
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var pos = 0;
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var textLines = oldText.split("\n");
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for (var line = 0; line <= cLine; line++) {
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if(line < cLine) {
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pos += textLines[line].length+1;
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}
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else if(line === cLine) {
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pos += cCh;
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}
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}
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return pos;
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}
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var posToCursor = function(position, newText) {
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var cursor = {
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line: 0,
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ch: 0
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};
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var textLines = newText.substr(0, position).split("\n");
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cursor.line = textLines.length - 1;
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cursor.ch = textLines[cursor.line].length;
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return cursor;
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}
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var onRemote = config.onRemote = function (info) {
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if (initializing) { return; }
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var oldDoc = canonicalize($textarea.val());
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var shjson = module.realtime.getUserDoc();
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// Update the user list (metadata) from the hyperjson
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updateUserList(shjson);
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var hjson = JSON.parse(shjson);
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var remoteDoc = hjson.content;
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//get old cursor here
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var oldCursor = {};
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oldCursor.selectionStart = cursorToPos(editor.getCursor('from'), oldDoc);
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oldCursor.selectionEnd = cursorToPos(editor.getCursor('to'), oldDoc);
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editor.setValue(remoteDoc);
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editor.save();
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var op = TextPatcher.diff(oldDoc, remoteDoc);
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var selects = ['selectionStart', 'selectionEnd'].map(function (attr) {
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return TextPatcher.transformCursor(oldCursor[attr], op);
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});
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if(selects[0] === selects[1]) {
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editor.setCursor(posToCursor(selects[0], remoteDoc));
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}
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else {
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editor.setSelection(posToCursor(selects[0], remoteDoc), posToCursor(selects[1], remoteDoc));
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}
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var localDoc = canonicalize($textarea.val());
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var hjson2 = {
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content: localDoc,
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metadata: userList
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};
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var shjson2 = stringify(hjson2);
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if (shjson2 !== shjson) {
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console.error("shjson2 !== shjson");
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module.patchText(shjson2);
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}
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// check cursor
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// apply changes to textarea
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// replace cursor
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};
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var onLocal = config.onLocal = function () {
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if (initializing) { return; }
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editor.save();
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var textValue = canonicalize($textarea.val());
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var obj = {content: textValue};
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// append the userlist to the hyperjson structure
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obj.metadata = userList;
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// stringify the json and send it into chainpad
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var shjson = stringify(obj);
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module.patchText(shjson);
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if (module.realtime.getUserDoc() !== shjson) {
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console.error("realtime.getUserDoc() !== shjson");
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}
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};
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var onAbort = config.onAbort = function (info) {
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// TODO alert the user
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// inform of network disconnect
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window.alert("Network Connection Lost!");
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};
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var realtime = module.realtime = Realtime.start(config);
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editor.on('change', onLocal);
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};
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var interval = 100;
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var first = function () {
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if (ifrw.CodeMirror) {
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// it exists, call your continuation
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andThen(ifrw.CodeMirror);
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} else {
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console.log("CodeMirror was not defined. Trying again in %sms", interval);
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// try again in 'interval' ms
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setTimeout(first, interval);
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}
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};
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first();
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});
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});
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