XWR-190: Make CryptPad version with rtwiki/CodeMirror

pull/1/head
mouhb 9 years ago
parent 9a932a3f56
commit 9626dfc365

@ -1,10 +1,10 @@
define([ define([
'/api/config?cb=' + Math.random().toString(16).substring(2), '/api/config?cb=' + Math.random().toString(16).substring(2),
'/code/realtime-wysiwyg.js', '/code/rtwiki.js',
'/common/messages.js', '/common/messages.js',
'/common/crypto.js', '/common/crypto.js',
'/bower_components/jquery/dist/jquery.min.js' '/bower_components/jquery/dist/jquery.min.js'
], function (Config, RTWysiwyg, Messages, Crypto) { ], function (Config, RTWiki, Messages, Crypto) {
'/customize/pad.js' '/customize/pad.js'
var $ = window.jQuery; var $ = window.jQuery;
var ifrw = $('#pad-iframe')[0].contentWindow; var ifrw = $('#pad-iframe')[0].contentWindow;
@ -36,7 +36,7 @@ define([
editor.setValue(Messages.codeInitialState); editor.setValue(Messages.codeInitialState);
var rtw = var rtw =
RTWysiwyg.start(ifrw, RTWiki.start(ifrw,
Config.websocketURL, Config.websocketURL,
Crypto.rand64(8), Crypto.rand64(8),
key.channel, key.channel,

@ -0,0 +1,879 @@
define([
//'jquery',
//'RTWiki_WebHome_sharejs_textarea',
//'RTWiki_ErrorBox',
//'RTWiki_WebHome_chainpad'
'/common/crypto.js',
'/bower_components/jquery/dist/jquery.min.js',
'/code/errorbox.js',
'/common/chainpad.js',
'/common/otaml.js'
], function(Crypto, TextArea, ErrorBox) {
var $ = window.jQuery;
var ChainPad = window.ChainPad;
var Otaml = window.Otaml;
var module = { exports: {} };
var LOCALSTORAGE_DISALLOW = 'rtwiki-disallow';
// Number for a message type which will not interfere with chainpad.
var MESSAGE_TYPE_ISAVED = 5000;
// how often to check if the document has been saved recently
var SAVE_DOC_CHECK_CYCLE = 20000;
// how often to save the document
var SAVE_DOC_TIME = 60000;
// How long to wait before determining that the connection is lost.
var MAX_LAG_BEFORE_DISCONNECT = 30000;
var warn = function (x) { };
var debug = function (x) { };
//debug = function (x) { console.log(x) };
warn = function (x) { console.log(x) };
var setStyle = function () {
$('head').append([
'<style>',
'.rtwiki-toolbar {',
' width: 100%;',
' color: #666;',
' font-weight: bold;',
' background-color: #f0f0ee;',
' border: 0, none;',
' height: 24px;',
' float: left;',
'}',
'.rtwiki-toolbar div {',
' padding: 0 10px;',
' height: 1.5em;',
' background: #f0f0ee;',
' line-height: 25px;',
' height: 24px;',
'}',
'.rtwiki-toolbar-leftside {',
' float: left;',
'}',
'.rtwiki-toolbar-rightside {',
' float: right;',
'}',
'.rtwiki-lag {',
' float: right;',
'}',
'</style>'
].join(''));
};
var uid = function () {
return 'rtwiki-uid-' + String(Math.random()).substring(2);
};
var updateUserList = function (myUserName, listElement, userList, messages) {
var meIdx = userList.indexOf(myUserName);
if (meIdx === -1) {
listElement.text(messages.disconnected);
return;
}
var userMap = {};
userMap[messages.myself] = 1;
userList.splice(meIdx, 1);
for (var i = 0; i < userList.length; i++) {
var user;
if (userList[i].indexOf('xwiki:XWiki.XWikiGuest') === 0) {
if (userMap.Guests) {
user = messages.guests;
} else {
user = messages.guest;
}
} else {
user = userList[i].replace(/^.*-([^-]*)%2d[0-9]*$/, function(all, one) {
return decodeURIComponent(one);
});
}
userMap[user] = userMap[user] || 0;
if (user === messages.guest && userMap[user] > 0) {
userMap.Guests = userMap[user];
delete userMap[user];
user = messages.guests;
}
userMap[user]++;
}
var userListOut = [];
for (var name in userMap) {
if (userMap[name] > 1) {
userListOut.push(userMap[name] + " " + name);
} else {
userListOut.push(name);
}
}
if (userListOut.length > 1) {
userListOut[userListOut.length-1] =
messages.and + ' ' + userListOut[userListOut.length-1];
}
listElement.text(messages.editingWith + ' ' + userListOut.join(', '));
};
var createUserList = function (realtime, myUserName, container, messages) {
var id = uid();
$(container).prepend('<div class="rtwiki-userlist" id="'+id+'"></div>');
var listElement = $('#'+id);
return listElement;
};
var checkLag = function (realtime, lagElement, messages) {
var lag = realtime.getLag();
var lagSec = lag.lag/1000;
var lagMsg = messages.lag + ' ';
if (lag.waiting && lagSec > 1) {
lagMsg += "?? " + Math.floor(lagSec);
} else {
lagMsg += lagSec;
}
lagElement.text(lagMsg);
};
var createLagElement = function (socket, realtime, container, messages) {
var id = uid();
$(container).append('<div class="rtwiki-lag" id="'+id+'"></div>');
var lagElement = $('#'+id);
var intr = setInterval(function () {
checkLag(realtime, lagElement, messages);
}, 3000);
socket.onClose.push(function () { clearTimeout(intr); });
return lagElement;
};
var createRealtimeToolbar = function (container) {
var id = uid();
$(container).prepend(
'<div class="rtwiki-toolbar" id="' + id + '">' +
'<div class="rtwiki-toolbar-leftside"></div>' +
'<div class="rtwiki-toolbar-rightside"></div>' +
'</div>'
);
return $('#'+id);
};
var now = function () { return (new Date()).getTime(); };
var getFormToken = function () {
return $('meta[name="form_token"]').attr('content');
};
var getDocumentSection = function (sectionNum, andThen) {
debug("getting document section...");
$.ajax({
url: window.docediturl,
type: "POST",
async: true,
dataType: 'text',
data: {
xpage: 'editwiki',
section: ''+sectionNum
},
success: function (jqxhr) {
var content = $(jqxhr).find('#content');
if (!content || !content.length) {
andThen(new Error("could not find content"));
} else {
andThen(undefined, content.text());
}
},
error: function (jqxhr, err, cause) {
andThen(new Error(err));
}
});
};
var getIndexOfDocumentSection = function (documentContent, sectionNum, andThen) {
getDocumentSection(sectionNum, function (err, content) {
if (err) {
andThen(err);
return;
}
// This is screwed up, XWiki generates the section by rendering the XDOM back to
// XWiki2.0 syntax so it's not possible to find the actual location of a section.
// See: http://jira.xwiki.org/browse/XWIKI-10430
var idx = documentContent.indexOf(content);
if (idx === -1) {
content = content.split('\n')[0];
idx = documentContent.indexOf(content);
}
if (idx === -1) {
warn("Could not find section content..");
} else if (idx !== documentContent.lastIndexOf(content)) {
warn("Duplicate section content..");
} else {
andThen(undefined, idx);
return;
}
andThen(undefined, 0);
});
};
var seekToSection = function (textArea, andThen) {
var sect = window.location.hash.match(/^#!([\W\w]*&)?section=([0-9]+)/);
if (!sect || !sect[2]) {
andThen();
return;
}
var text = $(textArea).text();
getIndexOfDocumentSection(text, Number(sect[2]), function (err, idx) {
if (err) { andThen(err); return; }
if (idx === 0) {
warn("Attempted to seek to a section which could not be found");
} else {
var heightOne = $(textArea)[0].scrollHeight;
$(textArea).text(text.substring(idx));
var heightTwo = $(textArea)[0].scrollHeight;
$(textArea).text(text);
$(textArea).scrollTop(heightOne - heightTwo);
}
andThen();
})
};
var saveDocument = function (textArea, language, andThen) {
debug("saving document...");
$.ajax({
url: window.docsaveurl,
type: "POST",
async: true,
dataType: 'text',
data: {
xredirect: '',
content: $(textArea).val(),
xeditaction: 'edit',
comment: 'Auto-Saved by Realtime Session',
action_saveandcontinue: 'Save & Continue',
minorEdit: 1,
ajax: true,
form_token: getFormToken(),
language: language
},
success: function () {
andThen();
},
error: function (jqxhr, err, cause) {
warn(err);
// Don't callback, this way in case of error we will keep trying.
//andThen();
}
});
};
/**
* If we are editing a page which does not exist and creating it from a template
* then we should not auto-save the document otherwise it will cause RTWIKI-16
*/
var createPageMode = function () {
return (window.location.href.indexOf('template=') !== -1);
};
var createSaver = function (socket, channel, myUserName, textArea, demoMode, language) {
var timeOfLastSave = now();
socket.onMessage.unshift(function (evt) {
// get the content...
var chanIdx = evt.data.indexOf(channel);
var content = evt.data.substring(evt.data.indexOf(':[', chanIdx + channel.length)+1);
// parse
var json = JSON.parse(content);
// not an isaved message
if (json[0] !== MESSAGE_TYPE_ISAVED) { return; }
timeOfLastSave = now();
return false;
});
var lastSavedState = '';
var to;
var check = function () {
if (to) { clearTimeout(to); }
debug("createSaver.check");
to = setTimeout(check, Math.random() * SAVE_DOC_CHECK_CYCLE);
if (now() - timeOfLastSave < SAVE_DOC_TIME) { return; }
var toSave = $(textArea).val();
if (lastSavedState === toSave) { return; }
if (demoMode) { return; }
saveDocument(textArea, language, function () {
debug("saved document");
timeOfLastSave = now();
lastSavedState = toSave;
var saved = JSON.stringify([MESSAGE_TYPE_ISAVED, 0]);
socket.send('1:x' +
myUserName.length + ':' + myUserName +
channel.length + ':' + channel +
saved.length + ':' + saved
);
});
};
check();
socket.onClose.push(function () {
clearTimeout(to);
});
};
var isSocketDisconnected = function (socket, realtime) {
return socket.readyState === socket.CLOSING ||
socket.readyState === socket.CLOSED ||
(realtime.getLag().waiting && realtime.getLag().lag > MAX_LAG_BEFORE_DISCONNECT);
};
var setAutosaveHiddenState = function (hidden) {
var elem = $('#autosaveControl');
if (hidden) {
elem.hide();
} else {
elem.show();
}
};
var startWebSocket = function (textArea,
toolbarContainer,
websocketUrl,
userName,
channel,
messages,
demoMode,
language)
{
debug("Opening websocket");
localStorage.removeItem(LOCALSTORAGE_DISALLOW);
var toolbar = createRealtimeToolbar(toolbarContainer);
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 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);
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;
});
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