Implement a new pad framework and make it work (seemingly) with /pad/
Caleb James DeLisle
7 years ago
parent
d9845d3450
commit
0eb2165f31
@ -0,0 +1,468 @@
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define([
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'jquery',
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'/bower_components/hyperjson/hyperjson.js',
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'/common/toolbar3.js',
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'/bower_components/chainpad-json-validator/json-ot.js',
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'/common/TypingTests.js',
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'json.sortify',
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'/bower_components/textpatcher/TextPatcher.js',
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'/common/cryptpad-common.js',
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'/common/cryptget.js',
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'/pad/links.js',
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'/bower_components/nthen/index.js',
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'/common/sframe-common.js',
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'/api/config',
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'/customize/messages.js',
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'/common/common-util.js',
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'css!/bower_components/bootstrap/dist/css/bootstrap.min.css',
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'less!/bower_components/components-font-awesome/css/font-awesome.min.css',
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'less!/customize/src/less2/main.less',
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], function (
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$,
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Hyperjson,
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Toolbar,
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JsonOT,
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TypingTest,
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JSONSortify,
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TextPatcher,
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Cryptpad,
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Cryptget,
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Links,
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nThen,
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SFCommon,
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ApiConfig,
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Messages,
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Util)
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{
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var SaveAs = window.saveAs;
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var UNINITIALIZED = 'UNINITIALIZED';
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var STATE = Object.freeze({
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DISCONNECTED: 'DISCONNECTED',
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FORGOTTEN: 'FORGOTTEN',
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INFINITE_SPINNER: 'INFINITE_SPINNER',
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INITIALIZING: 'INITIALIZING',
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HISTORY_MODE: 'HISTORY_MODE',
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READY: 'READY'
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});
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var onConnectError = function () {
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Cryptpad.errorLoadingScreen(Messages.websocketError);
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};
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var create = function (options, cb) {
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var evContentUpdate = Util.mkEvent();
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var evEditableStateChange = Util.mkEvent();
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var evOnReady = Util.mkEvent();
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var evOnDefaultContentNeeded = Util.mkEvent();
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var evStart = Util.mkEvent(true);
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var common;
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var cpNfInner;
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var textPatcher;
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var readOnly;
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var title;
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var toolbar;
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var state = STATE.DISCONNECTED;
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var titleRecommender = function () { return false; };
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var contentGetter = function () { return UNINITIALIZED; };
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var normalize = function (x) { return x; };
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var extractMetadata = function (content) {
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var meta = {};
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if (Array.isArray(content)) {
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var m = content.pop();
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if (typeof(m.metadata) === 'object') {
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// pad
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meta = m.metadata;
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} else {
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content.push(m);
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}
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} else if (typeof(content.metadata) === 'object') {
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meta = content.metadata;
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delete content.metadata;
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}
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return meta;
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};
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var isEditable = function () {
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return (state === STATE.READY && !readOnly);
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};
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var stateChange = function (newState) {
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var wasEditable = isEditable();
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if (state === STATE.INFINITE_SPINNER) { return; }
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if (newState === STATE.INFINITE_SPINNER) {
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state = newState;
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} else if (state === STATE.DISCONNECTED && newState !== STATE.INITIALIZING) {
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throw new Error("Cannot transition from DISCONNECTED to " + newState);
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} else if (state !== STATE.READY && newState === STATE.HISTORY_MODE) {
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throw new Error("Cannot transition from " + state + " to " + newState);
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} else {
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state = newState;
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}
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switch (state) {
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case STATE.DISCONNECTED:
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case STATE.INITIALIZING: {
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evStart.reg(function () { toolbar.reconnecting(); });
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break;
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}
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case STATE.INFINITE_SPINNER: {
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evStart.reg(function () { toolbar.failed(); });
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break;
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}
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default:
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}
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if (wasEditable !== isEditable()) { evEditableStateChange.fire(isEditable()); }
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};
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var onRemote = function () {
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if (state !== STATE.READY) { return; }
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var oldContent = normalize(contentGetter());
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var newContentStr = cpNfInner.realtime.getUserDoc();
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var newContent = normalize(JSON.parse(newContentStr));
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var meta = extractMetadata(newContent);
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cpNfInner.metadataMgr.updateMetadata(meta);
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evContentUpdate.fire(newContent);
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if (!readOnly) {
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var newContent2NoMeta = normalize(contentGetter());
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var newContent2StrNoMeta = JSONSortify(newContent2NoMeta);
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var newContentStrNoMeta = JSONSortify(newContent);
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if (newContent2StrNoMeta !== newContentStrNoMeta) {
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console.error("shjson2 !== shjson");
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textPatcher(newContent2StrNoMeta);
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/* pushing back over the wire is necessary, but it can
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result in a feedback loop, which we call a browser
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fight */
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if (module.logFights) {
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// what changed?
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var op = TextPatcher.diff(newContentStrNoMeta, newContent2StrNoMeta);
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// log the changes
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TextPatcher.log(newContentStrNoMeta, op);
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var sop = JSON.stringify(TextPatcher.format(newContentStrNoMeta, op));
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var index = module.fights.indexOf(sop);
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if (index === -1) {
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module.fights.push(sop);
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console.log("Found a new type of browser disagreement");
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console.log("You can inspect the list in your " +
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"console at `REALTIME_MODULE.fights`");
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console.log(module.fights);
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} else {
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console.log("Encountered a known browser disagreement: " +
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"available at `REALTIME_MODULE.fights[%s]`", index);
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}
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}
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}
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}
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// Notify only when the content has changed, not when someone has joined/left
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if (JSONSortify(newContent) !== JSONSortify(oldContent)) {
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common.notify();
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}
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};
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var setHistoryMode = function (bool, update) {
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stateChange((bool) ? STATE.HISTORY_MODE : STATE.READY);
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if (!bool && update) { onRemote(); }
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};
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var onLocal = function () {
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if (state !== STATE.READY) { return; }
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if (readOnly) { return; }
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// stringify the json and send it into chainpad
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var content = normalize(contentGetter());
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if (typeof(content) !== 'object') {
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if (content === UNINITIALIZED) { return; }
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throw new Error("Content must be an object or array, type is " + typeof(content));
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}
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if (Array.isArray(content)) {
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// Pad
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content.push({ metadata: cpNfInner.metadataMgr.getMetadataLazy() });
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} else {
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content.metadata = cpNfInner.metadataMgr.getMetadataLazy();
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}
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var contentStr = JSONSortify(content);
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textPatcher(contentStr);
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if (cpNfInner.chainpad.getUserDoc() !== contentStr) {
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console.error("realtime.getUserDoc() !== shjson");
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}
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};
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var emitResize = function () {
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var evt = window.document.createEvent('UIEvents');
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evt.initUIEvent('resize', true, false, window, 0);
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window.dispatchEvent(evt);
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};
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var onReady = function () {
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var newContentStr = cpNfInner.chainpad.getUserDoc();
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var newPad = false;
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if (newContentStr === '') { newPad = true; }
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if (!newPad) {
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var newContent = JSON.parse(newContentStr);
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var meta = extractMetadata(newContent);
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cpNfInner.metadataMgr.updateMetadata(meta);
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newContent = normalize(newContent);
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evContentUpdate.fire(newContent);
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if (!readOnly) {
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var newContent2NoMeta = normalize(contentGetter());
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var newContent2StrNoMeta = JSONSortify(newContent2NoMeta);
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var newContentStrNoMeta = JSONSortify(newContent);
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if (newContent2StrNoMeta !== newContentStrNoMeta) {
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console.log('err');
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console.error("shjson2 !== shjson");
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console.log(newContent2StrNoMeta);
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console.log(newContentStrNoMeta);
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Cryptpad.errorLoadingScreen(Messages.wrongApp);
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throw new Error();
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}
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}
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} else {
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title.updateTitle(Cryptpad.initialName || title.defaultTitle);
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}
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if (!readOnly) { onLocal(); }
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evOnReady.fire(newPad);
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Cryptpad.removeLoadingScreen(emitResize);
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stateChange(STATE.READY);
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if (newPad) {
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common.openTemplatePicker();
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}
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};
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var onConnectionChange = function (info) {
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stateChange(info.state ? STATE.INITIALIZING : STATE.DISCONNECTED);
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if (info.state) {
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Cryptpad.findOKButton().click();
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} else {
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Cryptpad.alert(Messages.common_connectionLost, undefined, true);
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}
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};
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var setFileExporter = function (extension, fe) {
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var $export = common.createButton('export', true, {}, function () {
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var suggestion = title.suggestTitle('cryptpad-document');
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Cryptpad.prompt(Messages.exportPrompt,
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Cryptpad.fixFileName(suggestion) + '.html', function (filename)
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{
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if (!(typeof(filename) === 'string' && filename)) { return; }
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var blob = fe();
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SaveAs(blob, filename);
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});
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});
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toolbar.$drawer.append($export);
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};
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var setFileImporter = function (mimeType, fi) {
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if (readOnly) { return; }
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toolbar.$drawer.append(
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common.createButton('import', true, { accept: mimeType }, function (c) {
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evContentUpdate.fire(fi(c));
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onLocal();
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})
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);
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};
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var feedback = function (action, force) {
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if (state === STATE.DISCONNECTED || state === STATE.INITIALIZING) { return; }
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common.feedback(action, force);
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};
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nThen(function (waitFor) {
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SFCommon.create(waitFor(function (c) { common = c; }));
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}).nThen(function (waitFor) {
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cpNfInner = common.startRealtime({
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// really basic operational transform
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transformFunction: options.transformFunction || JsonOT.validate,
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// cryptpad debug logging (default is 1)
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// logLevel: 0,
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validateContent: options.validateContent || function (content) {
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try {
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JSON.parse(content);
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return true;
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} catch (e) {
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console.log("Failed to parse, rejecting patch");
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return false;
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}
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},
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onRemote: function () { evStart.reg(onRemote); },
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onLocal: function () { evStart.reg(onLocal); },
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onInit: function () { stateChange(STATE.INITIALIZING); },
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onReady: function () { evStart.reg(onReady); },
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onConnectionChange: onConnectionChange
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});
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var privReady = Util.once(waitFor());
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var checkReady = function () {
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if (typeof(cpNfInner.metadataMgr.getPrivateData().readOnly) === 'boolean') {
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readOnly = cpNfInner.metadataMgr.getPrivateData().readOnly;
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privReady();
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}
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};
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cpNfInner.metadataMgr.onChange(checkReady);
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checkReady();
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textPatcher = TextPatcher.create({ realtime: cpNfInner.chainpad });
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cpNfInner.onInfiniteSpinner(function () {
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toolbar.failed();
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cpNfInner.chainpad.abort();
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stateChange(STATE.INFINITE_SPINNER);
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Cryptpad.confirm(Messages.realtime_unrecoverableError, function (yes) {
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if (!yes) { return; }
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common.gotoURL();
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});
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});
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//Cryptpad.onLogout(function () { ... });
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Cryptpad.onError(function (info) {
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if (info && info.type === "store") {
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onConnectError();
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}
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});
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}).nThen(function () {
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var $bar = $('#cke_1_toolbox'); // TODO
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if (!$bar.length) { throw new Error(); }
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title = common.createTitle({ getHeadingText: titleRecommender }, onLocal);
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var configTb = {
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displayed: ['userlist', 'title', 'useradmin', 'spinner', 'newpad', 'share', 'limit'],
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title: title.getTitleConfig(),
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metadataMgr: cpNfInner.metadataMgr,
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readOnly: readOnly,
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ifrw: window,
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realtime: cpNfInner.chainpad,
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common: Cryptpad,
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sfCommon: common,
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$container: $bar,
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$contentContainer: $('#cke_1_contents'), // TODO
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};
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toolbar = Toolbar.create(configTb);
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title.setToolbar(toolbar);
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/* add a history button */
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var histConfig = {
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onLocal: onLocal,
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onRemote: onRemote,
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setHistory: setHistoryMode,
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applyVal: function (val) {
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evContentUpdate.fire(JSON.parse(val) || ["BODY",{},[]]);
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},
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$toolbar: $bar
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};
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var $hist = common.createButton('history', true, {histConfig: histConfig});
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toolbar.$drawer.append($hist);
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if (!cpNfInner.metadataMgr.getPrivateData().isTemplate) {
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var templateObj = {
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rt: cpNfInner.chainpad,
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getTitle: function () { return cpNfInner.metadataMgr.getMetadata().title; }
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};
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var $templateButton = common.createButton('template', true, templateObj);
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toolbar.$rightside.append($templateButton);
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}
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/* add a forget button */
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toolbar.$rightside.append(common.createButton('forget', true, {}, function (err) {
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if (err) { return; }
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stateChange(STATE.HISTORY_MODE);
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}));
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var $tags = common.createButton('hashtag', true);
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toolbar.$rightside.append($tags);
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cb(Object.freeze({
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// Register an event to be informed of a content update coming from remote
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// This event will pass you the object.
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onContentUpdate: evContentUpdate.reg,
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// Set the content supplier, this is the function which will supply the content
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// in the pad when requested by the framework.
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setContentGetter: function (cg) { contentGetter = cg; },
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// Inform the framework that the content of the pad has been changed locally.
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localChange: onLocal,
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// Register to be informed if the state (whether the document is editable) changes.
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onEditableChange: evEditableStateChange.reg,
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// Determine whether the UI should be locked for editing.
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isLocked: function () { return state !== STATE.READY; },
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// Determine whether the pad is a "read only" pad and cannot be changed.
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isReadOnly: function () { return readOnly; },
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// Call this to supply a function which can recommend a good title for the pad,
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// if possible.
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setTitleRecommender: function (ush) { titleRecommender = ush; },
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// Register to be called when the pad has completely loaded
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// (just before the loading screen is removed).
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onReady: evOnReady.reg,
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// Register to be called when a new pad is being setup and default content is
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// needed. When you are called back you must put the content in the UI and then
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// return and then the content getter (setContentGetter()) will be called.
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onDefaultContentNeeded: evOnDefaultContentNeeded.reg,
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// Set a file exporter, this takes 2 arguments.
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// 1. <string> A file extension which will be proposed when saving the file.
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// 2. <function> A function which when called, will return a Blob containing the
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// file to be saved.
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setFileExporter: setFileExporter,
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// Set a file importer, this takes 2 arguments.
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// 1. <string> The MIME Type of the types of file to allow importing.
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// 2. <function> A function which takes a single string argument and puts the
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// content into the UI.
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setFileImporter: setFileImporter,
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// Set a function which will normalize the content returned by the content getter
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// such as removing extra fields.
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setNormalizer: function (n) { normalize = n; },
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// Call the CryptPad feedback API.
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feedback: feedback,
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// Call this after all of the handlers are setup.
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start: evStart.fire,
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// Determine the internal state of the framework.
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getState: function () { return state; },
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// Internals
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_: {
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sfCommon: common,
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toolbar: toolbar,
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cpNfInner: cpNfInner,
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title: title
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}
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}));
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});
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};
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return { create: create };
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});
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