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define([
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'jquery',
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'/common/common-interface.js',
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'/common/hyperscript.js',
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], function ($, UI, h) {
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//var ChainPad = window.ChainPad;
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var History = {};
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History.create = function (common, config) {
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if (!config.$toolbar) { return void console.error("config.$toolbar is undefined");}
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if (History.loading) { return void console.error("History is already being loaded..."); }
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History.loading = true;
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var $toolbar = config.$toolbar;
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var sframeChan = common.getSframeChannel();
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History.readOnly = common.getMetadataMgr().getPrivateData().readOnly || !common.isLoggedIn();
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if (!config.onlyoffice || !config.setHistory || !config.onCheckpoint || !config.onPatch || !config.makeSnapshot) {
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throw new Error("Missing config element");
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}
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var cpIndex = -1;
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var msgIndex = -1;
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var ooMessages = {};
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var loading = false;
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var update = function () {};
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var currentTime;
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// Get an array of the checkpoint IDs sorted their patch index
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var hashes = config.onlyoffice.hashes;
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var sortedCp = Object.keys(hashes).map(Number).sort(function (a, b) {
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return hashes[a].index - hashes[b].index;
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});
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var endWithCp = sortedCp.length &&
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config.onlyoffice.lastHash === hashes[sortedCp[sortedCp.length - 1]].hash;
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var fillOO = function (id, messages) {
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if (!id) { return; }
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if (ooMessages[id]) { return; }
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ooMessages[id] = messages;
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update();
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};
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if (endWithCp) { cpIndex = 0; }
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var $version, $time, $share;
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var $hist = $toolbar.find('.cp-toolbar-history');
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$hist.addClass('cp-smallpatch');
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$hist.addClass('cp-history-oo');
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var $bottom = $toolbar.find('.cp-toolbar-bottom');
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var getVersion = function () {
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var major = sortedCp.length - cpIndex;
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return major + '.' + (msgIndex+1);
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};
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var showVersion = function (initial) {
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var v = getVersion();
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if (initial) {
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v = Messages.oo_version_latest;
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}
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$version.text(Messages.oo_version + v);
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var $pos = $hist.find('.cp-history-timeline-pos');
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var cps = sortedCp.length;
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var id = sortedCp[cps - cpIndex -1] || -1;
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if (!ooMessages[id]) { return; }
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var msgs = ooMessages[id];
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var p = 100*((msgIndex+1) / (msgs.length));
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$pos.css('margin-left', p+'%');
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var time = msgs[msgIndex] && msgs[msgIndex].time;
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currentTime = time;
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if (time) { $time.text(new Date(time).toLocaleString()); }
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else { $time.text(''); }
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};
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// We want to load a checkpoint (or initial state)
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var loadMoreOOHistory = function () {
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if (!Array.isArray(sortedCp)) { return void console.error("Wrong type"); }
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var cp = {};
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// Get the checkpoint ID
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var id = -1;
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if (cpIndex < sortedCp.length) {
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id = sortedCp[sortedCp.length - 1 - cpIndex];
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cp = hashes[id];
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}
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var nextId = sortedCp[sortedCp.length - cpIndex];
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// Get the history between "toHash" and "fromHash". This function is using
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// "getOlderHistory", that's why we start from the more recent hash
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// and we go back in time to an older hash
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// We need to get all the patches between the current cp hash and the next cp hash
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// Current cp or initial hash (invalid hash ==> initial hash)
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var toHash = cp.hash || 'NONE';
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// Next cp or last hash
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var fromHash = nextId ? hashes[nextId].hash : config.onlyoffice.lastHash;
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msgIndex = -1;
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showVersion();
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if (ooMessages[id]) {
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// Cp already loaded: reload OO
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loading = false;
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return void config.onCheckpoint(cp);
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}
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sframeChan.query('Q_GET_HISTORY_RANGE', {
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channel: config.onlyoffice.channel,
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lastKnownHash: fromHash,
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toHash: toHash,
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}, function (err, data) {
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if (err) { return void console.error(err); }
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if (!Array.isArray(data.messages)) { return void console.error('Not an array!'); }
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// The first "cp" in history is the empty doc. It doesn't include the first patch
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// of the history
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var initialCp = cpIndex === sortedCp.length;
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var messages = (data.messages || []).slice(initialCp ? 0 : 1);
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if (config.debug) { console.log(data.messages); }
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fillOO(id, messages);
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loading = false;
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config.onCheckpoint(cp);
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$share.show();
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});
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};
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var onClose = function () { config.setHistory(false); };
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var onRevert = function () {
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config.onRevert();
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};
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config.setHistory(true);
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var Messages = common.Messages;
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$hist.html('').css('display', 'flex');
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$bottom.hide();
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UI.spinner($hist).get().show();
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var $fastPrev, $fastNext, $next;
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var getId = function () {
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var cps = sortedCp.length;
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return sortedCp[cps - cpIndex -1] || -1;
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};
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update = function () {
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var cps = sortedCp.length;
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$fastPrev.show();
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$next.show();
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$fastNext.show();
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$hist.find('.cp-toolbar-history-next, .cp-toolbar-history-previous')
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.prop('disabled', '');
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if (cpIndex >= cps && msgIndex === 0) {
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$fastPrev.prop('disabled', 'disabled');
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}
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if (cpIndex === 0) {
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$fastNext.prop('disabled', 'disabled');
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}
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var id = getId();
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var msgs = (ooMessages[id] || []).length;
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if (msgIndex >= (msgs-1)) {
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$next.prop('disabled', 'disabled');
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}
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};
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var next = function () {
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var id = getId();
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if (!ooMessages[id]) { loading = false; return; }
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var msgs = ooMessages[id];
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msgIndex++;
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var patch = msgs[msgIndex];
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if (!patch) { loading = false; return; }
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config.onPatch(patch);
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showVersion();
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setTimeout(function () {
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$('iframe').blur();
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loading = false;
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}, 200);
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};
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// Create the history toolbar
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var display = function () {
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$hist.html('');
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var fastPrev = h('button.cp-toolbar-history-previous', { title: Messages.history_prev }, [
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h('i.fa.fa-fast-backward'),
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]);
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var fastNext = h('button.cp-toolbar-history-next', { title: Messages.history_next }, [
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h('i.fa.fa-fast-forward'),
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]);
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var _next = h('button.cp-toolbar-history-next', { title: Messages.history_next }, [
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h('i.fa.fa-step-forward')
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]);
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$fastPrev = $(fastPrev);
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$fastNext = $(fastNext).prop('disabled', 'disabled');
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$next = $(_next).prop('disabled', 'disabled');
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var pos = h('span.cp-history-timeline-pos.fa.fa-caret-down');
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var time = h('div.cp-history-timeline-time');
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var version = h('div.cp-history-timeline-version');
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$time = $(time);
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$version = $(version);
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var bar;
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var timeline = h('div.cp-toolbar-history-timeline', [
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h('div.cp-history-timeline-line', [
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bar = h('span.cp-history-timeline-container')
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]),
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h('div.cp-history-timeline-actions', [
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h('span.cp-history-timeline-prev', [
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fastPrev,
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]),
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time,
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version,
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h('span.cp-history-timeline-next', [
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_next,
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fastNext
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])
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])
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]);
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var snapshot = h('button', {
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title: Messages.snapshots_new,
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}, [
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h('i.fa.fa-camera')
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]);
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var share = h('button', { title: Messages.history_shareTitle }, [
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h('i.fa.fa-shhare-alt'),
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h('span', Messages.shareButton)
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]);
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var restore = h('button', {
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title: Messages.history_restoreTitle,
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}, [
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h('i.fa.fa-check'),
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h('span', Messages.history_restore)
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]);
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var close = h('button', { title: Messages.history_closeTitle }, [
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h('i.fa.fa-times'),
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h('span', Messages.history_close)
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]);
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var actions = h('div.cp-toolbar-history-actions', [
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h('span.cp-history-actions-first', [
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snapshot,
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share
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]),
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h('span.cp-history-actions-last', [
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restore,
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close
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])
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]);
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if (History.readOnly) {
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snapshot.disabled = true;
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restore.disabled = true;
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}
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$share = $(share);
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$hist.append([timeline, actions]);
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$(bar).append(pos);
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var onKeyDown, onKeyUp;
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var closeUI = function () {
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$hist.hide();
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$bottom.show();
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$(window).trigger('resize');
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$(window).off('keydown', onKeyDown);
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$(window).off('keyup', onKeyUp);
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};
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// Push one patch
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$next.click(function () {
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if (loading) { return; }
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loading = true;
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next();
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update();
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});
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// Go to previous checkpoint
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$fastNext.click(function () {
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if (loading) { return; }
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loading = true;
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cpIndex--;
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loadMoreOOHistory();
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update();
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});
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// Go to next checkpoint
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$fastPrev.click(function () {
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if (loading) { return; }
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loading = true;
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if (msgIndex === -1) {
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cpIndex++;
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}
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loadMoreOOHistory();
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update();
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});
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onKeyDown = function (e) {
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var p = function () { e.preventDefault(); };
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if ([38, 39].indexOf(e.which) >= 0) { p(); return $next.click(); } // Right
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if (e.which === 33) { p(); return $fastNext.click(); } // PageUp
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if (e.which === 34) { p(); return $fastPrev.click(); } // PageUp
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if (e.which === 27) { p(); return $(close).click(); }
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};
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onKeyUp = function (e) { e.stopPropagation(); };
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$(window).on('keydown', onKeyDown).on('keyup', onKeyUp).focus();
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// Versioned link
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$share.click(function () {
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common.getSframeChannel().event('EV_SHARE_OPEN', {
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versionHash: getVersion()
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});
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});
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$(snapshot).click(function () {
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if (cpIndex === -1 && msgIndex === -1) { return void UI.warn(Messages.snapshots_ooPickVersion); }
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var input = h('input', {
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placeholder: Messages.snapshots_placeholder
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});
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var $input = $(input);
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var content = h('div', [
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h('h5', Messages.snapshots_new),
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input
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]);
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var buttons = [{
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className: 'cancel',
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name: Messages.filePicker_close,
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onClick: function () {},
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keys: [27],
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}, {
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className: 'primary',
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iconClass: '.fa.fa-camera',
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name: Messages.snapshots_new,
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onClick: function () {
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var val = $input.val();
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if (!val) { return true; }
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config.makeSnapshot(val, function (err) {
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if (err) { return; }
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UI.log(Messages.saved);
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}, {
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hash: getVersion(),
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time: currentTime || 0
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});
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},
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keys: [13],
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}];
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UI.openCustomModal(UI.dialog.customModal(content, {buttons: buttons }));
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setTimeout(function () {
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$input.focus();
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});
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});
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// Close & restore buttons
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$(close).click(function () {
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History.loading = false;
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onClose();
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closeUI();
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});
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$(restore).click(function () {
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UI.confirm(Messages.history_restorePrompt, function (yes) {
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if (!yes) { return; }
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closeUI();
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History.loading = false;
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onRevert();
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UI.log(Messages.history_restoreDone);
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});
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});
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};
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display();
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showVersion(true);
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//return void loadMoreOOHistory();
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};
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return History;
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});
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