354 lines
14 KiB
JavaScript
354 lines
14 KiB
JavaScript
define([
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'/api/config?cb=' + Math.random().toString(16).substring(2),
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'/common/messages.js',
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'/common/crypto.js',
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'/padrtc/realtime-input.js',
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'/bower_components/hyperjson/hyperjson.amd.js',
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'/common/hyperscript.js',
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'/common/toolbar.js',
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'/common/cursor.js',
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'/common/json-ot.js',
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'/bower_components/diff-dom/diffDOM.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, Messages, Crypto, realtimeInput, Hyperjson, Hyperscript, Toolbar, Cursor, JsonOT) {
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var $ = window.jQuery;
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var ifrw = $('#pad-iframe')[0].contentWindow;
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var Ckeditor; // to be initialized later...
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var DiffDom = window.diffDOM;
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window.Toolbar = Toolbar;
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window.Hyperjson = Hyperjson;
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var hjsonToDom = function (H) {
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return Hyperjson.callOn(H, Hyperscript);
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};
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var module = window.REALTIME_MODULE = {
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localChangeInProgress: 0
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};
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var userName = Crypto.rand64(8),
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toolbar;
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var isNotMagicLine = function (el) {
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// factor as:
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// return !(el.tagName === 'SPAN' && el.contentEditable === 'false');
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var filter = (el.tagName === 'SPAN' && el.contentEditable === 'false');
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if (filter) {
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console.log("[hyperjson.serializer] prevented an element" +
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"from being serialized:", el);
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return false;
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}
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return true;
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};
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var andThen = function (Ckeditor) {
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// $(window).on('hashchange', function() {
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// window.location.reload();
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// });
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var key;
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var channel = '';
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if (window.location.href.indexOf('#') === -1) {
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key = Crypto.genKey();
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// window.location.href = window.location.href + '#' + Crypto.genKey();
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// return;
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}
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else {
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var hash = window.location.hash.substring(1);
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var sep = hash.indexOf('|');
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channel = hash.substr(0,sep);
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key = hash.substr(sep+1);
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}
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var fixThings = false;
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// var key = Crypto.parseKey(window.location.hash.substring(1));
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var editor = window.editor = Ckeditor.replace('editor1', {
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// https://dev.ckeditor.com/ticket/10907
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needsBrFiller: fixThings,
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needsNbspFiller: fixThings,
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removeButtons: 'Source,Maximize',
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// magicline plugin inserts html crap into the document which is not part of the
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// document itself and causes problems when it's sent across the wire and reflected back
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removePlugins: 'resize'
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});
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editor.on('instanceReady', function (Ckeditor) {
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editor.execCommand('maximize');
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var documentBody = ifrw.$('iframe')[0].contentDocument.body;
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documentBody.innerHTML = Messages.initialState;
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var inner = window.inner = documentBody;
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var cursor = window.cursor = Cursor(inner);
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var setEditable = function (bool) {
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inner.setAttribute('contenteditable',
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(typeof (bool) !== 'undefined'? bool : true));
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};
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// don't let the user edit until the pad is ready
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setEditable(false);
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var diffOptions = {
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preDiffApply: function (info) {
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/* Don't remove local instances of the magicline plugin */
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if (info.node && info.node.tagName === 'SPAN' &&
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info.node.getAttribute('contentEditable') === 'false') {
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return true;
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}
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if (!cursor.exists()) { return; }
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var frame = info.frame = cursor.inNode(info.node);
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if (!frame) { return; }
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if (typeof info.diff.oldValue === 'string' &&
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typeof info.diff.newValue === 'string') {
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var pushes = cursor.pushDelta(info.diff.oldValue,
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info.diff.newValue);
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if (frame & 1) {
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if (pushes.commonStart < cursor.Range.start.offset) {
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cursor.Range.start.offset += pushes.delta;
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}
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}
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if (frame & 2) {
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if (pushes.commonStart < cursor.Range.end.offset) {
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cursor.Range.end.offset += pushes.delta;
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}
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}
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}
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},
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postDiffApply: function (info) {
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if (info.frame) {
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if (info.node) {
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if (info.frame & 1) { cursor.fixStart(info.node); }
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if (info.frame & 2) { cursor.fixEnd(info.node); }
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} else { console.log("info.node did not exist"); }
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var sel = cursor.makeSelection();
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var range = cursor.makeRange();
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cursor.fixSelection(sel, range);
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}
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}
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};
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var now = function () { return new Date().getTime(); };
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var initializing = true;
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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 = 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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editor.fire( 'change' );
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}
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});
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};
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var DD = new DiffDom(diffOptions);
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// apply patches, and try not to lose the cursor in the process!
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var applyHjson = function (shjson) {
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// var hjson = JSON.parse(shjson);
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// var peerUserList = hjson[hjson.length-1];
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// if(peerUserList.metadata) {
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// var userData = peerUserList.metadata;
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// addToUserList(userData);
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// delete hjson[hjson.length-1];
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// }
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var userDocStateDom = hjsonToDom(JSON.parse(shjson));
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userDocStateDom.setAttribute("contenteditable", "true"); // lol wtf
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var patch = (DD).diff(inner, userDocStateDom);
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(DD).apply(inner, patch);
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};
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var realtimeOptions = {
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// provide initialstate...
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initialState: JSON.stringify(Hyperjson.fromDOM(inner, isNotMagicLine)),
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// the websocket URL (deprecated?)
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websocketURL: Config.websocketURL,
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webrtcURL: Config.webrtcURL,
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// our username
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userName: userName,
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// the channel we will communicate over
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channel: channel,
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// our encryption key
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cryptKey: key,
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setMyID: setMyID,
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// really basic operational transform
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transformFunction : JsonOT.validate,
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crypto: Crypto,
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};
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var onRemote = realtimeOptions.onRemote = function (info) {
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if (initializing) { return; }
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var shjson = info.realtime.getUserDoc();
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// remember where the cursor is
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cursor.update();
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// Extract the user list (metadata) from the hyperjson
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var hjson = JSON.parse(shjson);
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var peerUserList = hjson[hjson.length-1];
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if(peerUserList.metadata) {
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var userData = peerUserList.metadata;
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// Update the local user data
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userList = userData;
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// Send the new data to the toolbar
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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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hjson.pop();
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}
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// build a dom from HJSON, diff, and patch the editor
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applyHjson(shjson);
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// Build a new stringified Chainpad hyperjson without metadata to compare with the one build from the dom
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shjson = JSON.stringify(hjson);
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var hjson2 = Hyperjson.fromDOM(inner);
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var shjson2 = JSON.stringify(hjson2);
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if (shjson2 !== shjson) {
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console.error("shjson2 !== shjson");
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module.realtimeInput.patchText(shjson2);
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}
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};
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var onInit = realtimeOptions.onInit = function (info) {
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var $bar = $('#pad-iframe')[0].contentWindow.$('#cke_1_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.webChannel, info.userList, config);
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createChangeName('cryptpad-changeName', $bar);
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/* TODO handle disconnects and such*/
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};
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var onReady = realtimeOptions.onReady = function (info) {
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console.log("Unlocking editor");
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initializing = false;
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setEditable(true);
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var shjson = info.realtime.getUserDoc();
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applyHjson(shjson);
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};
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var onAbort = realtimeOptions.onAbort = function (info) {
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console.log("Aborting the session!");
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// stop the user from continuing to edit
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setEditable(false);
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// TODO inform them that the session was torn down
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toolbar.failed();
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};
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var rti = module.realtimeInput = realtimeInput.start(realtimeOptions);
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/* catch `type="_moz"` before it goes over the wire */
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var brFilter = function (hj) {
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if (hj[1].type === '_moz') { hj[1].type = undefined; }
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return hj;
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};
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// $textarea.val(JSON.stringify(Convert.dom.to.hjson(inner)));
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/* It's incredibly important that you assign 'rti.onLocal'
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It's used inside of realtimeInput to make sure that all changes
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make it into chainpad.
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It's being assigned this way because it can't be passed in, and
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and can't be easily returned from realtime input without making
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the code less extensible.
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*/
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var propogate = rti.onLocal = function () {
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/* if the problem were a matter of external patches being
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applied while a local patch were in progress, then we would
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expect to be able to check and find
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'module.localChangeInProgress' with a non-zero value while
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we were applying a remote change.
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*/
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var hjson = Hyperjson.fromDOM(inner, isNotMagicLine, brFilter);
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if(Object.keys(myData).length > 0) {
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hjson[hjson.length] = {metadata: userList};
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}
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var shjson = JSON.stringify(hjson);
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if (!rti.patchText(shjson)) {
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return;
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}
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rti.onEvent(shjson);
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};
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/* hitting enter makes a new line, but places the cursor inside
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of the <br> instead of the <p>. This makes it such that you
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cannot type until you click, which is rather unnacceptable.
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If the cursor is ever inside such a <br>, you probably want
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to push it out to the parent element, which ought to be a
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paragraph tag. This needs to be done on keydown, otherwise
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the first such keypress will not be inserted into the P. */
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inner.addEventListener('keydown', cursor.brFix);
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editor.on('change', propogate);
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// editor.on('change', function () {
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// var hjson = Convert.core.hyperjson.fromDOM(inner);
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// if(myData !== {}) {
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// hjson[hjson.length] = {metadata: userList};
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// }
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// $textarea.val(JSON.stringify(hjson));
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// rti.bumpSharejs();
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// });
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});
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};
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var interval = 100;
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var first = function () {
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Ckeditor = ifrw.CKEDITOR;
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if (Ckeditor) {
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andThen(Ckeditor);
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} else {
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console.log("Ckeditor was not defined. Trying again in %sms",interval);
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setTimeout(first, interval);
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}
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};
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$(first);
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});
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