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880 lines
32 KiB
JavaScript
880 lines
32 KiB
JavaScript
9 years ago
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define([
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//'jquery',
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//'RTWiki_WebHome_sharejs_textarea',
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//'RTWiki_ErrorBox',
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//'RTWiki_WebHome_chainpad'
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'/common/crypto.js',
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'/bower_components/jquery/dist/jquery.min.js',
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'/code/errorbox.js',
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'/common/chainpad.js',
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'/common/otaml.js'
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], function(Crypto, TextArea, ErrorBox) {
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var $ = window.jQuery;
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var ChainPad = window.ChainPad;
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var Otaml = window.Otaml;
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var module = { exports: {} };
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var LOCALSTORAGE_DISALLOW = 'rtwiki-disallow';
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// Number for a message type which will not interfere with chainpad.
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var MESSAGE_TYPE_ISAVED = 5000;
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// how often to check if the document has been saved recently
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var SAVE_DOC_CHECK_CYCLE = 20000;
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// how often to save the document
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var SAVE_DOC_TIME = 60000;
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// How long to wait before determining that the connection is lost.
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var MAX_LAG_BEFORE_DISCONNECT = 30000;
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var warn = function (x) { };
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var debug = function (x) { };
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//debug = function (x) { console.log(x) };
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warn = function (x) { console.log(x) };
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var setStyle = function () {
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$('head').append([
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'<style>',
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'.rtwiki-toolbar {',
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' width: 100%;',
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' color: #666;',
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' font-weight: bold;',
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' background-color: #f0f0ee;',
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' border: 0, none;',
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' height: 24px;',
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' float: left;',
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'}',
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'.rtwiki-toolbar div {',
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' padding: 0 10px;',
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' height: 1.5em;',
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' background: #f0f0ee;',
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' line-height: 25px;',
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' height: 24px;',
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'}',
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'.rtwiki-toolbar-leftside {',
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' float: left;',
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'}',
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'.rtwiki-toolbar-rightside {',
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' float: right;',
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'}',
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'.rtwiki-lag {',
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' float: right;',
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'}',
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'</style>'
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].join(''));
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};
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var uid = function () {
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return 'rtwiki-uid-' + String(Math.random()).substring(2);
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};
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var updateUserList = function (myUserName, listElement, userList, messages) {
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var meIdx = userList.indexOf(myUserName);
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if (meIdx === -1) {
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listElement.text(messages.disconnected);
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return;
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}
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var userMap = {};
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userMap[messages.myself] = 1;
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userList.splice(meIdx, 1);
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for (var i = 0; i < userList.length; i++) {
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var user;
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if (userList[i].indexOf('xwiki:XWiki.XWikiGuest') === 0) {
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if (userMap.Guests) {
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user = messages.guests;
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} else {
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user = messages.guest;
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}
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} else {
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user = userList[i].replace(/^.*-([^-]*)%2d[0-9]*$/, function(all, one) {
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return decodeURIComponent(one);
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});
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}
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userMap[user] = userMap[user] || 0;
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if (user === messages.guest && userMap[user] > 0) {
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userMap.Guests = userMap[user];
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delete userMap[user];
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user = messages.guests;
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}
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userMap[user]++;
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}
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var userListOut = [];
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for (var name in userMap) {
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if (userMap[name] > 1) {
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userListOut.push(userMap[name] + " " + name);
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} else {
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userListOut.push(name);
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}
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}
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if (userListOut.length > 1) {
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userListOut[userListOut.length-1] =
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messages.and + ' ' + userListOut[userListOut.length-1];
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}
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listElement.text(messages.editingWith + ' ' + userListOut.join(', '));
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};
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var createUserList = function (realtime, myUserName, container, messages) {
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var id = uid();
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$(container).prepend('<div class="rtwiki-userlist" id="'+id+'"></div>');
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var listElement = $('#'+id);
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return listElement;
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};
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var checkLag = function (realtime, lagElement, messages) {
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var lag = realtime.getLag();
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var lagSec = lag.lag/1000;
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var lagMsg = messages.lag + ' ';
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if (lag.waiting && lagSec > 1) {
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lagMsg += "?? " + Math.floor(lagSec);
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} else {
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lagMsg += lagSec;
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}
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lagElement.text(lagMsg);
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};
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var createLagElement = function (socket, realtime, container, messages) {
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var id = uid();
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$(container).append('<div class="rtwiki-lag" id="'+id+'"></div>');
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var lagElement = $('#'+id);
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var intr = setInterval(function () {
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checkLag(realtime, lagElement, messages);
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}, 3000);
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socket.onClose.push(function () { clearTimeout(intr); });
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return lagElement;
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};
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var createRealtimeToolbar = function (container) {
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var id = uid();
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$(container).prepend(
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'<div class="rtwiki-toolbar" id="' + id + '">' +
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'<div class="rtwiki-toolbar-leftside"></div>' +
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'<div class="rtwiki-toolbar-rightside"></div>' +
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'</div>'
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);
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return $('#'+id);
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};
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var now = function () { return (new Date()).getTime(); };
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var getFormToken = function () {
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return $('meta[name="form_token"]').attr('content');
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};
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var getDocumentSection = function (sectionNum, andThen) {
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debug("getting document section...");
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$.ajax({
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url: window.docediturl,
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type: "POST",
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async: true,
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dataType: 'text',
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data: {
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xpage: 'editwiki',
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section: ''+sectionNum
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},
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success: function (jqxhr) {
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var content = $(jqxhr).find('#content');
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if (!content || !content.length) {
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andThen(new Error("could not find content"));
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} else {
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andThen(undefined, content.text());
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}
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},
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error: function (jqxhr, err, cause) {
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andThen(new Error(err));
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}
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});
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};
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var getIndexOfDocumentSection = function (documentContent, sectionNum, andThen) {
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getDocumentSection(sectionNum, function (err, content) {
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if (err) {
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andThen(err);
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return;
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}
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// This is screwed up, XWiki generates the section by rendering the XDOM back to
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// XWiki2.0 syntax so it's not possible to find the actual location of a section.
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// See: http://jira.xwiki.org/browse/XWIKI-10430
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var idx = documentContent.indexOf(content);
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if (idx === -1) {
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content = content.split('\n')[0];
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idx = documentContent.indexOf(content);
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}
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if (idx === -1) {
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warn("Could not find section content..");
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} else if (idx !== documentContent.lastIndexOf(content)) {
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warn("Duplicate section content..");
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} else {
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andThen(undefined, idx);
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return;
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}
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andThen(undefined, 0);
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});
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};
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var seekToSection = function (textArea, andThen) {
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var sect = window.location.hash.match(/^#!([\W\w]*&)?section=([0-9]+)/);
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if (!sect || !sect[2]) {
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andThen();
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return;
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}
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var text = $(textArea).text();
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getIndexOfDocumentSection(text, Number(sect[2]), function (err, idx) {
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if (err) { andThen(err); return; }
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if (idx === 0) {
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warn("Attempted to seek to a section which could not be found");
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} else {
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var heightOne = $(textArea)[0].scrollHeight;
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$(textArea).text(text.substring(idx));
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var heightTwo = $(textArea)[0].scrollHeight;
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$(textArea).text(text);
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$(textArea).scrollTop(heightOne - heightTwo);
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}
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andThen();
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})
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};
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var saveDocument = function (textArea, language, andThen) {
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debug("saving document...");
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$.ajax({
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url: window.docsaveurl,
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type: "POST",
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async: true,
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dataType: 'text',
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data: {
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xredirect: '',
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content: $(textArea).val(),
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xeditaction: 'edit',
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comment: 'Auto-Saved by Realtime Session',
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action_saveandcontinue: 'Save & Continue',
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minorEdit: 1,
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ajax: true,
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form_token: getFormToken(),
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language: language
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},
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success: function () {
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andThen();
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},
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error: function (jqxhr, err, cause) {
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warn(err);
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// Don't callback, this way in case of error we will keep trying.
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//andThen();
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}
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});
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};
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/**
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* If we are editing a page which does not exist and creating it from a template
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* then we should not auto-save the document otherwise it will cause RTWIKI-16
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*/
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var createPageMode = function () {
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return (window.location.href.indexOf('template=') !== -1);
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};
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var createSaver = function (socket, channel, myUserName, textArea, demoMode, language) {
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var timeOfLastSave = now();
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socket.onMessage.unshift(function (evt) {
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// get the content...
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var chanIdx = evt.data.indexOf(channel);
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var content = evt.data.substring(evt.data.indexOf(':[', chanIdx + channel.length)+1);
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// parse
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var json = JSON.parse(content);
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// not an isaved message
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if (json[0] !== MESSAGE_TYPE_ISAVED) { return; }
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timeOfLastSave = now();
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return false;
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});
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var lastSavedState = '';
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var to;
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var check = function () {
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if (to) { clearTimeout(to); }
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debug("createSaver.check");
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to = setTimeout(check, Math.random() * SAVE_DOC_CHECK_CYCLE);
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if (now() - timeOfLastSave < SAVE_DOC_TIME) { return; }
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var toSave = $(textArea).val();
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if (lastSavedState === toSave) { return; }
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if (demoMode) { return; }
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saveDocument(textArea, language, function () {
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debug("saved document");
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timeOfLastSave = now();
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lastSavedState = toSave;
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var saved = JSON.stringify([MESSAGE_TYPE_ISAVED, 0]);
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socket.send('1:x' +
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myUserName.length + ':' + myUserName +
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channel.length + ':' + channel +
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saved.length + ':' + saved
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);
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});
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};
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check();
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socket.onClose.push(function () {
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clearTimeout(to);
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});
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};
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var isSocketDisconnected = function (socket, realtime) {
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return socket.readyState === socket.CLOSING ||
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socket.readyState === socket.CLOSED ||
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(realtime.getLag().waiting && realtime.getLag().lag > MAX_LAG_BEFORE_DISCONNECT);
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};
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var setAutosaveHiddenState = function (hidden) {
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var elem = $('#autosaveControl');
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if (hidden) {
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elem.hide();
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} else {
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elem.show();
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}
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};
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var startWebSocket = function (textArea,
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toolbarContainer,
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websocketUrl,
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userName,
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channel,
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messages,
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demoMode,
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language)
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{
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debug("Opening websocket");
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localStorage.removeItem(LOCALSTORAGE_DISALLOW);
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var toolbar = createRealtimeToolbar(toolbarContainer);
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var socket = new WebSocket(websocketUrl);
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socket.onClose = [];
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socket.onMessage = [];
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var initState = $(textArea).val();
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var realtime = socket.realtime = ChainPad.create(userName, 'x', channel, initState);
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// for debugging
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window.rtwiki_chainpad = realtime;
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// http://jira.xwiki.org/browse/RTWIKI-21
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var onbeforeunload = window.onbeforeunload || function () { };
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window.onbeforeunload = function (ev) {
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socket.intentionallyClosing = true;
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return onbeforeunload(ev);
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};
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var isErrorState = false;
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var checkSocket = function () {
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if (socket.intentionallyClosing || isErrorState) { return false; }
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if (isSocketDisconnected(socket, realtime)) {
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realtime.abort();
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socket.close();
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ErrorBox.show('disconnected');
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isErrorState = true;
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return true;
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}
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return false;
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};
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socket.onopen = function (evt) {
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var initializing = true;
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var userListElement = createUserList(realtime,
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userName,
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toolbar.find('.rtwiki-toolbar-leftside'),
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messages);
|
||
|
|
|
||
|
|
userListElement.text(messages.initializing);
|
||
|
|
|
||
|
|
createLagElement(socket,
|
||
|
|
realtime,
|
||
|
|
toolbar.find('.rtwiki-toolbar-rightside'),
|
||
|
|
messages);
|
||
|
|
|
||
|
|
setAutosaveHiddenState(true);
|
||
|
|
|
||
|
|
createSaver(socket, channel, userName, textArea, demoMode, language);
|
||
|
|
|
||
|
|
socket.onMessage.push(function (evt) {
|
||
|
|
debug(evt.data);
|
||
|
|
realtime.message(evt.data);
|
||
|
|
});
|
||
|
|
realtime.onMessage(function (message) { socket.send(message); });
|
||
|
|
|
||
|
|
$(textArea).attr("disabled", "disabled");
|
||
|
|
|
||
|
|
realtime.onUserListChange(function (userList) {
|
||
|
|
if (initializing && userList.indexOf(userName) > -1) {
|
||
|
|
initializing = false;
|
||
|
|
$(textArea).val(realtime.getUserDoc());
|
||
|
|
TextArea.attach($(textArea)[0], realtime);
|
||
|
|
$(textArea).removeAttr("disabled");
|
||
|
|
}
|
||
|
|
if (!initializing) {
|
||
|
|
updateUserList(userName, userListElement, userList, messages);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
|
||
|
|
debug("Bound websocket");
|
||
|
|
realtime.start();
|
||
|
|
};
|
||
|
|
socket.onclose = function (evt) {
|
||
|
|
for (var i = 0; i < socket.onClose.length; i++) {
|
||
|
|
if (socket.onClose[i](evt) === false) { return; }
|
||
|
|
}
|
||
|
|
};
|
||
|
|
socket.onmessage = function (evt) {
|
||
|
|
for (var i = 0; i < socket.onMessage.length; i++) {
|
||
|
|
if (socket.onMessage[i](evt) === false) { return; }
|
||
|
|
}
|
||
|
|
};
|
||
|
|
socket.onerror = function (err) {
|
||
|
|
warn(err);
|
||
|
|
checkSocket(realtime);
|
||
|
|
};
|
||
|
|
|
||
|
|
var to = setInterval(function () {
|
||
|
|
checkSocket(realtime);
|
||
|
|
}, 500);
|
||
|
|
socket.onClose.push(function () {
|
||
|
|
clearTimeout(to);
|
||
|
|
toolbar.remove();
|
||
|
|
setAutosaveHiddenState(false);
|
||
|
|
});
|
||
|
|
|
||
|
|
return socket;
|
||
|
|
};
|
||
|
|
|
||
|
|
var stopWebSocket = function (socket) {
|
||
|
|
debug("Stopping websocket");
|
||
|
|
socket.intentionallyClosing = true;
|
||
|
|
if (!socket) { return; }
|
||
|
|
if (socket.realtime) { socket.realtime.abort(); }
|
||
|
|
socket.close();
|
||
|
|
};
|
||
|
|
|
||
|
|
var checkSectionEdit = function () {
|
||
|
|
var href = window.location.href;
|
||
|
|
if (href.indexOf('#') === -1) { href += '#!'; }
|
||
|
|
var si = href.indexOf('section=');
|
||
|
|
if (si === -1 || si > href.indexOf('#')) { return false; }
|
||
|
|
var m = href.match(/([&]*section=[0-9]+)/)[1];
|
||
|
|
href = href.replace(m, '');
|
||
|
|
if (m[0] === '&') { m = m.substring(1); }
|
||
|
|
href = href + '&' + m;
|
||
|
|
window.location.href = href;
|
||
|
|
return true;
|
||
|
|
};
|
||
|
|
|
||
|
|
var editor = function (websocketUrl, userName, messages, channel, demoMode, language) {
|
||
|
|
var contentInner = $('#xwikieditcontentinner');
|
||
|
|
var textArea = contentInner.find('#content');
|
||
|
|
if (!textArea.length) {
|
||
|
|
warn("WARNING: Could not find textarea to bind to");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (createPageMode()) { return; }
|
||
|
|
|
||
|
|
if (checkSectionEdit()) { return; }
|
||
|
|
|
||
|
|
setStyle();
|
||
|
|
|
||
|
|
var checked = (localStorage.getItem(LOCALSTORAGE_DISALLOW)) ? "" : 'checked="checked"';
|
||
|
|
var allowRealtimeCbId = uid();
|
||
|
|
$('#mainEditArea .buttons').append(
|
||
|
|
'<div class="rtwiki-allow-outerdiv">' +
|
||
|
|
'<label class="rtwiki-allow-label" for="' + allowRealtimeCbId + '">' +
|
||
|
|
'<input type="checkbox" class="rtwiki-allow" id="' + allowRealtimeCbId + '" ' +
|
||
|
|
checked + '" />' +
|
||
|
|
' ' + messages.allowRealtime +
|
||
|
|
'</label>' +
|
||
|
|
'</div>'
|
||
|
|
);
|
||
|
|
|
||
|
|
var socket;
|
||
|
|
var checkboxClick = function (checked) {
|
||
|
|
if (checked || demoMode) {
|
||
|
|
socket = startWebSocket(textArea,
|
||
|
|
contentInner,
|
||
|
|
websocketUrl,
|
||
|
|
userName,
|
||
|
|
channel,
|
||
|
|
messages,
|
||
|
|
demoMode,
|
||
|
|
language);
|
||
|
|
} else if (socket) {
|
||
|
|
localStorage.setItem(LOCALSTORAGE_DISALLOW, 1);
|
||
|
|
stopWebSocket(socket);
|
||
|
|
socket = undefined;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
seekToSection(textArea, function (err) {
|
||
|
|
if (err) { throw err; }
|
||
|
|
$('#'+allowRealtimeCbId).click(function () { checkboxClick(this.checked); });
|
||
|
|
checkboxClick(checked);
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
var main = module.exports.main = function (websocketUrl,
|
||
|
|
userName,
|
||
|
|
messages,
|
||
|
|
channel,
|
||
|
|
demoMode,
|
||
|
|
language)
|
||
|
|
{
|
||
|
|
|
||
|
|
if (!websocketUrl) {
|
||
|
|
throw new Error("No WebSocket URL, please ensure Realtime Backend is installed.");
|
||
|
|
}
|
||
|
|
|
||
|
|
// Either we are in edit mode or the document is locked.
|
||
|
|
// There is no cross-language way that the UI tells us the document is locked
|
||
|
|
// but we can hunt for the force button.
|
||
|
|
var forceLink = $('a[href$="&force=1"][href*="/edit/"]');
|
||
|
|
|
||
|
|
var hasActiveRealtimeSession = function () {
|
||
|
|
forceLink.text(messages.joinSession);
|
||
|
|
forceLink.attr('href', forceLink.attr('href') + '&editor=wiki');
|
||
|
|
};
|
||
|
|
|
||
|
|
if (forceLink.length && !localStorage.getItem(LOCALSTORAGE_DISALLOW)) {
|
||
|
|
// ok it's locked.
|
||
|
|
var socket = new WebSocket(websocketUrl);
|
||
|
|
socket.onopen = function (evt) {
|
||
|
|
socket.onmessage = function (evt) {
|
||
|
|
debug("Message! " + evt.data);
|
||
|
|
var regMsgEnd = '3:[0]';
|
||
|
|
if (evt.data.indexOf(regMsgEnd) !== evt.data.length - regMsgEnd.length) {
|
||
|
|
// Not a register message
|
||
|
|
} else if (evt.data.indexOf(userName.length + ':' + userName) === 0) {
|
||
|
|
// It's us registering
|
||
|
|
} else {
|
||
|
|
// Someone has registered
|
||
|
|
debug("hasActiveRealtimeSession");
|
||
|
|
socket.close();
|
||
|
|
hasActiveRealtimeSession();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
socket.send('1:x' + userName.length + ':' + userName +
|
||
|
|
channel.length + ':' + channel + '3:[0]');
|
||
|
|
debug("Bound websocket");
|
||
|
|
};
|
||
|
|
} else if (window.XWiki.editor === 'wiki' || demoMode) {
|
||
|
|
editor(websocketUrl, userName, messages, channel, demoMode, language);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// CodeMirror/RTWiki
|
||
|
|
// Trapping Keyboard Events
|
||
|
|
var bindEvents = function (element, events, callback, unbind) {
|
||
|
|
for (var i = 0; i < events.length; i++) {
|
||
|
|
var e = events[i];
|
||
|
|
if (element.addEventListener) {
|
||
|
|
if (unbind) {
|
||
|
|
element.removeEventListener(e, callback, false);
|
||
|
|
} else {
|
||
|
|
element.addEventListener(e, callback, false);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (unbind) {
|
||
|
|
element.detachEvent('on' + e, callback);
|
||
|
|
} else {
|
||
|
|
element.attachEvent('on' + e, callback);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
var bindAllEvents = function (cmDiv, onEvent, unbind)
|
||
|
|
{
|
||
|
|
bindEvents(cmDiv,
|
||
|
|
['textInput', 'keydown', 'keyup', 'select', 'cut', 'paste', 'mousedown','mouseup','click'],
|
||
|
|
onEvent,
|
||
|
|
unbind);
|
||
|
|
};
|
||
|
|
|
||
|
|
var transformCursorCMRemove = function(text, cursor, pos, length) {
|
||
|
|
var newCursor = cursor;
|
||
|
|
var textLines = text.substr(0, pos).split("\n");
|
||
|
|
var removedTextLineNumber = textLines.length-1;
|
||
|
|
var removedTextColumnIndex = textLines[textLines.length-1].length;
|
||
|
|
var removedLines = text.substr(pos, length).split("\n").length - 1;
|
||
|
|
if(cursor.line > (removedTextLineNumber + removedLines)) {
|
||
|
|
newCursor.line -= removedLines;
|
||
|
|
}
|
||
|
|
else if(removedLines > 0 && cursor.line === (removedTextLineNumber+removedLines)) {
|
||
|
|
var lastLineCharsRemoved = text.substr(pos, length).split("\n")[removedLines].length;
|
||
|
|
if(cursor.ch >= lastLineCharsRemoved) {
|
||
|
|
newCursor.line = removedTextLineNumber;
|
||
|
|
newCursor.ch = removedTextColumnIndex + cursor.ch - lastLineCharsRemoved;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
newCursor.line -= removedLines;
|
||
|
|
newCursor.ch = removedTextColumnIndex;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if(cursor.line === removedTextLineNumber && cursor.ch > removedTextLineNumber) {
|
||
|
|
newCursor.ch -= Math.min(length, cursor.ch-removedTextLineNumber);
|
||
|
|
}
|
||
|
|
return newCursor;
|
||
|
|
};
|
||
|
|
var transformCursorCMInsert = function(oldtext, cursor, pos, text) {
|
||
|
|
var newCursor = cursor;
|
||
|
|
var textLines = oldtext.substr(0, pos).split("\n");
|
||
|
|
var addedTextLineNumber = textLines.length-1;
|
||
|
|
var addedTextColumnIndex = textLines[textLines.length-1].length;
|
||
|
|
var addedLines = text.split("\n").length - 1;
|
||
|
|
if(cursor.line > addedTextLineNumber) {
|
||
|
|
newCursor.line += addedLines;
|
||
|
|
}
|
||
|
|
else if(cursor.line === addedTextLineNumber && cursor.ch > addedTextColumnIndex) {
|
||
|
|
newCursor.line += addedLines;
|
||
|
|
if(addedLines > 0) {
|
||
|
|
newCursor.ch = newCursor.ch - addedTextColumnIndex + text.split("\n")[addedLines].length;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
newCursor.ch += text.split("\n")[addedLines].length;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return newCursor;
|
||
|
|
};
|
||
|
|
|
||
|
|
var startWebSocketCM = function (windowCM,
|
||
|
|
websocketUrl,
|
||
|
|
userName,
|
||
|
|
channel,
|
||
|
|
messages,
|
||
|
|
demoMode,
|
||
|
|
language,
|
||
|
|
cryptKey)
|
||
|
|
{
|
||
|
|
debug("Opening websocket");
|
||
|
|
var toolbar = createRealtimeToolbar('#cme_toolbox');/* To check */
|
||
|
|
var textArea = windowCM.document.getElementById('editor1');
|
||
|
|
var cmDiv = windowCM.document.getElementsByClassName('CodeMirror')[0];
|
||
|
|
var cmEditor = cmDiv.CodeMirror;
|
||
|
|
|
||
|
|
var socket = new WebSocket(websocketUrl);
|
||
|
|
socket.onClose = [];
|
||
|
|
socket.onMessage = [];
|
||
|
|
var initState = $(textArea).val();
|
||
|
|
var realtime = socket.realtime = ChainPad.create(userName, 'x', channel, initState);
|
||
|
|
// for debugging
|
||
|
|
window.rtwiki_chainpad = realtime;
|
||
|
|
|
||
|
|
// http://jira.xwiki.org/browse/RTWIKI-21
|
||
|
|
var onbeforeunload = window.onbeforeunload || function () { };
|
||
|
|
window.onbeforeunload = function (ev) {
|
||
|
|
socket.intentionallyClosing = true;
|
||
|
|
return onbeforeunload(ev);
|
||
|
|
};
|
||
|
|
var isErrorState = false;
|
||
|
|
var error = function (recoverable, err) {
|
||
|
|
console.log(new Error().stack);
|
||
|
|
console.log('error: ' + err.stack);
|
||
|
|
if (recoverable && recoverableErrorCount++ < MAX_RECOVERABLE_ERRORS) { return; }
|
||
|
|
var realtime = socket.realtime;
|
||
|
|
var docHtml = $(textArea).val();
|
||
|
|
isErrorState = true;
|
||
|
|
handleError(socket, realtime, err, docHtml, allMessages);
|
||
|
|
};
|
||
|
|
var attempt = function (func) {
|
||
|
|
return function () {
|
||
|
|
var e;
|
||
|
|
try { return func.apply(func, arguments); } catch (ee) { e = ee; }
|
||
|
|
if (e) {
|
||
|
|
console.log(e.stack);
|
||
|
|
error(true, e);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
var checkSocket = function () {
|
||
|
|
if (socket.intentionallyClosing || isErrorState) { return false; }
|
||
|
|
if (isSocketDisconnected(socket, realtime)) {
|
||
|
|
realtime.abort();
|
||
|
|
socket.close();
|
||
|
|
ErrorBox.show('disconnected');
|
||
|
|
isErrorState = true;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
};
|
||
|
|
|
||
|
|
socket.onopen = function (evt) {
|
||
|
|
|
||
|
|
var initializing = true;
|
||
|
|
|
||
|
|
var userListElement = createUserList(realtime,
|
||
|
|
userName,
|
||
|
|
toolbar.find('.rtwiki-toolbar-leftside'),
|
||
|
|
messages);
|
||
|
|
userListElement.text(messages.initializing);
|
||
|
|
createLagElement(socket,
|
||
|
|
realtime,
|
||
|
|
toolbar.find('.rtwiki-toolbar-rightside'),
|
||
|
|
messages);
|
||
|
|
|
||
|
|
setAutosaveHiddenState(true);
|
||
|
|
socket.onEvent = function () {
|
||
|
|
if (isErrorState) { return; }
|
||
|
|
if (initializing) { return; }
|
||
|
|
var oldDocText = realtime.getUserDoc();
|
||
|
|
var docText = $(textArea).val();
|
||
|
|
var op = attempt(Otaml.makeTextOperation)(oldDocText, docText);
|
||
|
|
|
||
|
|
if (!op) { return; }
|
||
|
|
if (op.toRemove > 0) {
|
||
|
|
attempt(realtime.remove)(op.offset, op.toRemove);
|
||
|
|
}
|
||
|
|
if (op.toInsert.length > 0) {
|
||
|
|
attempt(realtime.insert)(op.offset, op.toInsert);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (realtime.getUserDoc() !== docText) {
|
||
|
|
error(false, 'realtime.getUserDoc() !== docText');
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
socket.onMessage.push(function (evt) {
|
||
|
|
debug(evt.data);
|
||
|
|
var message = Crypto.decrypt(evt.data, cryptKey);
|
||
|
|
realtime.message(message);
|
||
|
|
});
|
||
|
|
realtime.onMessage(function (message) { message = Crypto.encrypt(message, cryptKey);socket.send(message); });
|
||
|
|
bindAllEvents(cmDiv, socket.onEvent, false);
|
||
|
|
$(textArea).attr("disabled", "disabled");
|
||
|
|
|
||
|
|
var userDocBeforePatch;
|
||
|
|
var incomingPatch = function () {
|
||
|
|
if (isErrorState || initializing) { return; }
|
||
|
|
var textAreaVal = $(textArea).val();
|
||
|
|
userDocBeforePatch = userDocBeforePatch || textAreaVal;
|
||
|
|
if (userDocBeforePatch != textAreaVal) {
|
||
|
|
//error(false, "userDocBeforePatch != textAreaVal");
|
||
|
|
}
|
||
|
|
var op = attempt(Otaml.makeTextOperation)(userDocBeforePatch, realtime.getUserDoc());
|
||
|
|
var oldValue = textAreaVal;
|
||
|
|
var newValue = realtime.getUserDoc();
|
||
|
|
// Fix cursor and/or selection
|
||
|
|
var oldCursor = cmEditor.getCursor();
|
||
|
|
var oldCursorCMStart = cmEditor.getCursor('from');
|
||
|
|
var oldCursorCMEnd = cmEditor.getCursor('to');
|
||
|
|
var newCursor;
|
||
|
|
var newSelection;
|
||
|
|
if(oldCursorCMStart !== oldCursorCMEnd) { // Selection
|
||
|
|
if (op.toRemove > 0) {
|
||
|
|
var newSelection = [transformCursorCMRemove(oldValue, oldCursorCMStart, op.offset, op.toRemove), transformCursorCMRemove(oldValue, oldCursorCMEnd, op.offset, op.toRemove)];
|
||
|
|
}
|
||
|
|
if (op.toInsert.length > 0) {
|
||
|
|
var newSelection = [transformCursorCMInsert(oldValue, oldCursorCMStart, op.offset, op.toInsert), transformCursorCMInsert(oldValue, oldCursorCMEnd, op.offset, op.toInsert)];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else { // Cursor
|
||
|
|
if (op.toRemove > 0) {
|
||
|
|
var newCursor = transformCursorCMRemove(oldValue, oldCursor, op.offset, op.toRemove);
|
||
|
|
}
|
||
|
|
if (op.toInsert.length > 0) {
|
||
|
|
var newCursor = transformCursorCMInsert(oldValue, oldCursor, op.offset, op.toInsert);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$(textArea).val(newValue);
|
||
|
|
cmEditor.setValue(newValue);
|
||
|
|
if(newCursor) {
|
||
|
|
cmEditor.setCursor(newCursor);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
cmEditor.setSelection(newSelection[0], newSelection[1]);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
realtime.onPatch(incomingPatch);
|
||
|
|
//**//
|
||
|
|
realtime.onUserListChange(function (userList) {
|
||
|
|
if (initializing && userList.indexOf(userName) > -1) {
|
||
|
|
initializing = false;
|
||
|
|
cmEditor.setValue(realtime.getUserDoc());
|
||
|
|
incomingPatch();
|
||
|
|
/*$(textArea).val(realtime.getUserDoc());
|
||
|
|
TextArea.attach($(textArea)[0], realtime);
|
||
|
|
$(textArea).removeAttr("disabled");*/
|
||
|
|
}
|
||
|
|
if (!initializing) {
|
||
|
|
updateUserList(userName, userListElement, userList, messages);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
|
||
|
|
debug("Bound websocket");
|
||
|
|
realtime.start();
|
||
|
|
};
|
||
|
|
socket.onclose = function (evt) {
|
||
|
|
for (var i = 0; i < socket.onClose.length; i++) {
|
||
|
|
if (socket.onClose[i](evt) === false) { return; }
|
||
|
|
}
|
||
|
|
};
|
||
|
|
socket.onmessage = function (evt) {
|
||
|
|
for (var i = 0; i < socket.onMessage.length; i++) {
|
||
|
|
if (socket.onMessage[i](evt) === false) { return; }
|
||
|
|
}
|
||
|
|
};
|
||
|
|
socket.onerror = function (err) {
|
||
|
|
warn(err);
|
||
|
|
checkSocket(realtime);
|
||
|
|
};
|
||
|
|
|
||
|
|
var to = setInterval(function () {
|
||
|
|
checkSocket(realtime);
|
||
|
|
}, 500);
|
||
|
|
socket.onClose.push(function () {
|
||
|
|
clearTimeout(to);
|
||
|
|
toolbar.remove();
|
||
|
|
setAutosaveHiddenState(false);
|
||
|
|
});
|
||
|
|
|
||
|
|
return socket;
|
||
|
|
};
|
||
|
|
|
||
|
|
var cmEditor = function (cmWindow, websocketUrl, userName, messages, channel, demoMode, language, cryptkey) {
|
||
|
|
var cmTextarea = $(cmWindow.document.getElementById('editor1'));
|
||
|
|
|
||
|
|
if (!cmTextarea.length) {
|
||
|
|
warn("WARNING: Could not find textarea to bind to");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
var socket = startWebSocketCM(cmWindow,
|
||
|
|
websocketUrl,
|
||
|
|
userName,
|
||
|
|
channel,
|
||
|
|
messages,
|
||
|
|
demoMode,
|
||
|
|
language,
|
||
|
|
cryptkey);
|
||
|
|
return {
|
||
|
|
onEvent: function() {
|
||
|
|
socket.onEvent();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
var start = module.exports.start = function (window, websocketUrl,
|
||
|
|
userName,
|
||
|
|
channel,
|
||
|
|
cryptkey)
|
||
|
|
{
|
||
|
|
if (!websocketUrl) {
|
||
|
|
throw new Error("No WebSocket URL, please ensure Realtime Backend is installed.");
|
||
|
|
}
|
||
|
|
var demoMode = false;
|
||
|
|
var language = "en";
|
||
|
|
var messages = [];
|
||
|
|
// Do not forget to remove demoMode and language variables, also check for messages
|
||
|
|
var cme = cmEditor(window, websocketUrl, userName, messages, channel, demoMode, language, cryptkey);
|
||
|
|
return {
|
||
|
|
onEvent: function () {
|
||
|
|
cme.onEvent();
|
||
|
|
}
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
return module.exports;
|
||
|
|
});
|