96 lines
2.9 KiB
JavaScript
96 lines
2.9 KiB
JavaScript
define([
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'/api/config?cb=' + Math.random().toString(16).substring(2),
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'/bower_components/chainpad-netflux/chainpad-netflux.js',
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'/bower_components/chainpad-crypto/crypto.js',
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'/bower_components/textpatcher/TextPatcher.amd.js',
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'/common/cryptpad-common.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, Realtime, Crypto, TextPatcher, Cryptpad) {
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var $ = window.jQuery;
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var secret = Cryptpad.getSecrets();
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var module = window.APP = {
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TextPatcher: TextPatcher
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};
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var userName = module.userName = Crypto.rand64(8);
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var initializing = true;
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var $textarea = $('textarea');
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var config = module.config = {
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initialState: '',
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websocketURL: Config.websocketURL,
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channel: secret.channel,
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crypto: Crypto.createEncryptor(secret.key),
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};
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var setEditable = function (bool) { $textarea.attr('disabled', !bool); };
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var canonicalize = function (text) { return text.replace(/\r\n/g, '\n'); };
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setEditable(false);
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var onInit = config.onInit = function (info) {
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window.location.hash = info.channel + secret.key;
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$(window).on('hashchange', function() {
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window.location.reload();
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});
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};
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var onRemote = config.onRemote = function (info) {
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if (initializing) { return; }
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var userDoc = module.realtime.getUserDoc();
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var content = canonicalize($textarea.val());
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var op = TextPatcher.diff(content, userDoc);
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var elem = $textarea[0];
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var selects = ['selectionStart', 'selectionEnd'].map(function (attr) {
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return TextPatcher.transformCursor(elem[attr], op);
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});
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$textarea.val(userDoc);
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elem.selectionStart = selects[0];
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elem.selectionEnd = selects[1];
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};
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var onLocal = config.onLocal = function () {
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if (initializing) { return; }
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module.patchText(canonicalize($textarea.val()));
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};
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var onReady = config.onReady = function (info) {
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var realtime = module.realtime = info.realtime;
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module.patchText = TextPatcher.create({
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realtime: realtime
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});
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$textarea.val(realtime.getUserDoc());
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setEditable(true);
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initializing = false;
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};
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var onAbort = config.onAbort = function (info) {
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setEditable(false);
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window.alert("Server Connection Lost");
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};
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var onConnectionChange = config.onConnectionChange = function (info) {
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if (info.state) {
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initializing = true;
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} else {
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setEditable(false);
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window.alert("Server Connection Lost. Trying to reconnect...");
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}
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};
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var rt = Realtime.start(config);
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['cut', 'paste', 'change', 'keyup', 'keydown', 'select', 'textInput']
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.forEach(function (evt) {
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$textarea.on(evt, onLocal);
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});
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});
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