692 lines
26 KiB
JavaScript
692 lines
26 KiB
JavaScript
define([
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'jquery',
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'/common/common-interface.js',
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'/common/common-util.js',
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'/common/hyperscript.js',
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'/customize/messages.js',
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'/bower_components/nthen/index.js',
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//'/bower_components/chainpad-json-validator/json-ot.js',
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'/bower_components/chainpad/chainpad.dist.js',
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], function ($, UI, Util, h, Messages, nThen, ChainPad /* JsonOT */) {
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//var ChainPad = window.ChainPad;
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var History = {};
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History.create = function (common, config) {
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if (!config.$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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if (History.state) { return void console.error("Already loaded"); }
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History.loading = true;
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History.state = true;
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var $toolbar = config.$toolbar;
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var $hist = $toolbar.find('.cp-toolbar-history');
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$hist.addClass('cp-history-init');
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if (!config.applyVal || !config.setHistory || !config.onLocal || !config.onRemote) {
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throw new Error("Missing config element: applyVal, onLocal, onRemote, setHistory");
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}
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var getStates = function (rt) {
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var states = [];
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var b = rt.getAuthBlock();
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if (b) { states.unshift(b); }
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while (b.getParent()) {
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b = b.getParent();
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states.unshift(b);
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}
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return states;
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};
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var createRealtime = function (config) {
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return ChainPad.create({
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userName: 'history',
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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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initialState: '',
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logLevel: config.debug ? 2 : 0,
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noPrune: true
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});
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};
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var fillChainPad = function (realtime, messages) {
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messages.forEach(function (m) {
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realtime.message(m);
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});
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};
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var realtime;
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var states = [];
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var patchWidth = 0;
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var c = 0;//states.length - 1;
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var getIndex = function (i) {
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return states.length - 1 + i;
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};
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var getRank = function (idx) {
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return idx - states.length + 1;
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};
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// Get the author or group of author linked to a state
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var getAuthor = function (idx, semantic) {
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if (semantic === 1 || !config.extractMetadata) {
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return states[idx].author;
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}
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try {
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var val = JSON.parse(states[idx].getContent().doc);
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var md = config.extractMetadata(val);
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var users = Object.keys(md.users || {}).sort();
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return users.join();
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} catch (e) {
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console.error(e);
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return states[idx].author;
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}
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};
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var bar = h('span.cp-history-timeline-bar');
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var onResize = function () {
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var $bar = $(bar);
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if (!$bar.width() || !$bar.length) { return; }
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var widthPx = patchWidth * $bar.width() / 100;
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$hist.removeClass('cp-smallpatch');
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$bar.find('.cp-history-snapshot').css('margin-left', "");
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var $pos = $hist.find('.cp-history-timeline-pos');
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$pos.css('margin-left', "");
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if (widthPx < 18) {
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$hist.addClass('cp-smallpatch');
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$bar.find('.cp-history-snapshot').css('margin-left', (widthPx/2-2)+"px");
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$pos.css('margin-left', (widthPx/2-2)+"px");
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}
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};
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// Refresh the timeline UI with the block states
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var refreshBar = function (snapshotsOnly) {
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var $pos = $hist.find('.cp-history-timeline-pos');
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var $bar = $(bar);
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var users = {
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list: [],
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author: '',
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el: undefined,
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i: 0
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};
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var user = {
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list: [],
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author: '',
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el: undefined,
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i: 0
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};
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var snapshotsData = {};
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var snapshots = [];
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if (config.getLastMetadata) {
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try {
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var md = config.getLastMetadata();
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if (md.snapshots) {
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snapshotsData = md.snapshots;
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snapshots = Object.keys(md.snapshots);
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}
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} catch (e) { console.error(e); }
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}
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var max = states.length - 1;
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var snapshotsEl = [];
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patchWidth = 100 / max;
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// Check if we need a new block on the index i for the "obj" type (user or users)
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var check = function (obj, author, i) {
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if (snapshotsOnly) { return; }
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if (obj.author !== author) {
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obj.author = author;
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if (obj.el) {
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$(obj.el).css('width', (100*(i - obj.i)/max)+'%');
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}
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obj.el = h('span.cp-history-bar-el');
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obj.list.push(obj.el);
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obj.i = i;
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}
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};
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var hash;
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for (var i = 1; i < states.length; i++) {
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hash = states[i].serverHash;
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if (snapshots.indexOf(hash) !== -1) {
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snapshotsEl.push(h('div.cp-history-snapshot', {
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style: 'width:'+patchWidth+'%;left:'+(patchWidth * (i-1))+'%;',
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title: snapshotsData[hash].title
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}, h('i.fa.fa-camera')));
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}
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if (config.drive) {
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// Display only one bar, split by patch
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check(user, i, i);
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} else {
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// Display two bars, split by author(s)
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check(user, getAuthor(i, 1), i);
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check(users, getAuthor(i, 2), i);
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}
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}
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if (snapshotsOnly) {
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// We only want to redraw the snapshots
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$bar.find('.cp-history-snapshots').html('').append([
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$pos,
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snapshotsEl
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]);
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} else {
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$(user.el).css('width', (100*(max + 1 - user.i)/max)+'%');
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if (!config.drive) {
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$(users.el).css('width', (100*(max + 1 - users.i)/max)+'%');
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}
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$bar.html('').append([
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h('span.cp-history-timeline-users', users.list),
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h('span.cp-history-timeline-user', user.list),
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h('div.cp-history-snapshots', [
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$pos[0],
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snapshotsEl
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]),
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]);
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}
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onResize();
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};
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var allMessages = [];
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var lastKnownHash;
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var isComplete = false;
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var loadMoreHistory = function (config, common, cb) {
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if (isComplete) { return void cb ('EFULL'); }
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var realtime = createRealtime(config);
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var sframeChan = common.getSframeChannel();
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sframeChan.query('Q_GET_HISTORY_RANGE', {
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lastKnownHash: lastKnownHash,
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sharedFolder: config.sharedFolder
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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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lastKnownHash = data.lastKnownHash;
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isComplete = data.isFull;
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var messages = (data.messages || []).map(function (obj) {
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return obj;
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});
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// We're supposed to receive 2 checkpoints. If the result is only ONE message
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// and this message is a checkpoint, it means it's the last message of the history
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// (and this is a trimmed history)
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if (messages.length === 1) {
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var parsed = JSON.parse(messages[0].msg);
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if (parsed[0] === 4) {
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isComplete = true;
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}
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}
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if (config.debug) { console.log(data.messages); }
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Array.prototype.unshift.apply(allMessages, messages); // Destructive concat
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fillChainPad(realtime, allMessages);
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cb (null, realtime, data.isFull);
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});
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};
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// config.setHistory(bool, bool)
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// - bool1: history value
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// - bool2: reset old content?
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var render = function (val) {
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if (typeof val === "undefined") { return; }
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try {
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config.applyVal(val);
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} catch (e) {
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// Probably a parse error
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console.error(e);
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}
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};
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var onClose = function () {
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config.setHistory(false, true);
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};
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var onRevert = function () {
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// Before we can restore the current version, we need to update metadataMgr
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// so that it will uses the snapshots from the realtime version!
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// Restoring the snapshots to their old version would go against the
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// goal of having snapshots
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if (config.getLastMetadata) {
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var metadataMgr = common.getMetadataMgr();
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var lastMd = config.getLastMetadata() || {};
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var _snapshots = lastMd.snapshots;
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var _users = lastMd.users;
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var md = Util.clone(metadataMgr.getMetadata());
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md.snapshots = _snapshots;
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md.users = _users;
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metadataMgr.updateMetadata(md);
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}
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// And now we can properly restore the content
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var closed = config.setHistory(false, false);
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if (!closed) {
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return void UI.alert(Messages.history_cantRestore);
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}
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config.onLocal();
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config.onRemote();
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return true;
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};
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config.setHistory(true);
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var $bottom = $toolbar.find('.cp-toolbar-bottom');
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var $cke = $toolbar.find('.cke_toolbox_main');
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$hist.html('').css('display', 'flex');
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$bottom.hide();
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$cke.hide();
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UI.spinner($hist).get().show();
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var update = function (newRt) {
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realtime = newRt;
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if (!realtime) { return []; }
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states = getStates(realtime);
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refreshBar();
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return states;
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};
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var $loadMore, $time, get;
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// Get the content of the selected version, and change the version number
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var loading = false;
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var loadMore = function (cb) {
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if (loading) { return; }
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loading = true;
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$loadMore.find('.fa-ellipsis-h').hide();
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$loadMore.find('.fa-refresh').show();
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loadMoreHistory(config, common, function (err, newRt, isFull) {
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if (err === 'EFULL') {
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$loadMore.off('click').hide();
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get(c);
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return;
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}
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loading = false;
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if (err) { return void console.error(err); }
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update(newRt);
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$loadMore.find('.fa-ellipsis-h').show();
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$loadMore.find('.fa-refresh').hide();
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get(c);
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if (isFull) {
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$loadMore.off('click').hide();
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}
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if (cb) { cb(); }
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});
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};
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// semantic === 1 : group by user
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// semantic === 2 : group by "group of users"
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get = function (i, blockOnly, semantic) {
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i = parseInt(i);
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if (isNaN(i)) { return; }
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if (i > 0) { i = 0; }
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if (i < -(states.length - 2)) { i = -(states.length - 2); }
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var idx = getIndex(i);
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if (semantic && i !== c) {
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// If semantic is true, jump to the next patch from a different netflux ID
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var author = getAuthor(idx, semantic);
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var forward = i > c;
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for (var j = idx; (j > 0 && j < states.length ); (forward ? j++ : j--)) {
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if (author !== getAuthor(j, semantic)) {
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break;
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}
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idx = j;
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i = getRank(idx);
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}
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}
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if (i <= -(states.length - 11)) {
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loadMore();
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}
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if (blockOnly) { return states[idx]; }
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var val = states[idx].getContent().doc;
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c = i;
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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 (c === -(states.length-1)) {
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$hist.find('.cp-toolbar-history-previous').prop('disabled', 'disabled');
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}
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if (c === 0) {
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$hist.find('.cp-toolbar-history-next').prop('disabled', 'disabled');
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}
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var $pos = $hist.find('.cp-history-timeline-pos');
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var p = 100 * (1 - (-(c - 1) / (states.length-1)));
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$pos.css('left', p+'%');
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$pos.css('width', patchWidth+'%');
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// Display the version when the full history is loaded
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// Note: the first version is always empty and probably can't be displayed, so
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// we can consider we have only states.length - 1 versions
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var time = states[idx].time;
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if (time) {
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$time.text(new Date(time).toLocaleString());
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} else { $time.text(''); }
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if (config.debug) {
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console.log(states[idx]);
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var ops = states[idx] && states[idx].getPatch() && states[idx].getPatch().operations;
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if (Array.isArray(ops)) {
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ops.forEach(function (op) { console.log(op); });
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}
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}
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return val || '';
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};
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/*
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var getNext = function (step) {
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return typeof step === "number" ? get(c + step) : get(c + 1);
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};
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var getPrevious = function (step) {
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return typeof step === "number" ? get(c - step) : get(c - 1);
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};
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*/
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var makeSnapshot = function (title, $input) {
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var idx = getIndex(c);
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if (!config.getLastMetadata || !config.setLastMetadata) { return; }
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try {
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var block = states[idx];
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var hash = block.serverHash;
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var md = config.getLastMetadata();
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md.snapshots = md.snapshots || {};
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if (md.snapshots[hash]) { return; }
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md.snapshots[hash] = {
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title: title,
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time: block.time ? (+new Date(block.time)) : +new Date()
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};
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var sent = config.setLastMetadata(md);
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if (!sent) { return void UI.alert(Messages.snapshots_cantMake); }
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$input.val('');
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refreshBar();
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} catch (e) {
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console.error(e);
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}
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};
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// Create the history toolbar
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var display = function () {
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$hist.html('');
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$hist.removeClass('cp-history-init');
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var fastPrev = h('button.cp-toolbar-history-previous', { title: Messages.history_fastPrev }, [
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h('i.fa.fa-step-backward'),
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h('i.fa.fa-users')
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]);
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var userPrev = h('button.cp-toolbar-history-previous', { title: Messages.history_userPrev }, [
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h('i.fa.fa-step-backward'),
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h('i.fa.fa-user')
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]);
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var prev = h('button.cp-toolbar-history-previous', { title: Messages.history_prev }, [
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h('i.fa.fa-step-backward')
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]);
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var fastNext = h('button.cp-toolbar-history-next', { title: Messages.history_fastNext }, [
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h('i.fa.fa-users'),
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h('i.fa.fa-step-forward'),
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]);
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var userNext = h('button.cp-toolbar-history-next', { title: Messages.history_userNext }, [
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h('i.fa.fa-user'),
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h('i.fa.fa-step-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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if (config.drive) {
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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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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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}
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var $fastPrev = $(fastPrev);
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var $userPrev = $(userPrev);
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var $prev = $(prev);
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var $fastNext = $(fastNext);
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var $userNext = $(userNext);
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var $next = $(next);
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var _loadMore = h('button.cp-toolbar-history-loadmore', { title: Messages.history_loadMore }, [
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h('i.fa.fa-ellipsis-h'),
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h('i.fa.fa-refresh.fa-spin.fa-3x.fa-fw', { style: 'display: none;' })
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]);
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var pos = h('span.cp-history-timeline-pos.fa.fa-caret-down');
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var time = h('div.cp-history-timeline-time');
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$time = $(time);
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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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h('span.cp-history-timeline-legend', [
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h('i.fa.fa-users'),
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h('i.fa.fa-user')
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]),
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h('span.cp-history-timeline-loadmore', _loadMore),
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h('span.cp-history-timeline-container', [
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bar
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])
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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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config.drive ? undefined : userPrev,
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prev,
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]),
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time,
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h('span.cp-history-timeline-next', [
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next,
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config.drive ? undefined : userNext,
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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 restoreTitle = config.drive ? Messages.history_restoreDriveTitle
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: Messages.history_restoreTitle;
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var restore = h('button', {
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title: 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)
|
||
]);
|
||
var actions = h('div.cp-toolbar-history-actions', [
|
||
h('span.cp-history-actions-first', [
|
||
snapshot,
|
||
share
|
||
]),
|
||
h('span.cp-history-actions-last', [
|
||
restore,
|
||
close
|
||
])
|
||
]);
|
||
|
||
if (History.readOnly) {
|
||
snapshot.disabled = true;
|
||
restore.disabled = true;
|
||
}
|
||
if (config.drive) {
|
||
$hist.addClass('cp-history-drive');
|
||
$(snapshot).hide();
|
||
$(share).hide();
|
||
}
|
||
|
||
$hist.append([timeline, actions]);
|
||
onResize();
|
||
$(window).on('resize', onResize);
|
||
|
||
var $bar = $(bar);
|
||
$bar.find('.cp-history-snapshots').append(pos);
|
||
$bar.click(function (e) {
|
||
e.stopPropagation();
|
||
var $t = $(e.target);
|
||
if ($t.closest('.cp-history-snapshot').length) {
|
||
$t = $t.closest('.cp-history-snapshot');
|
||
}
|
||
var isEl = $t.is('.cp-history-snapshot');
|
||
if (!$t.is('.cp-history-snapshots') && !isEl) { return; }
|
||
var x = e.offsetX;
|
||
if (isEl) {
|
||
x += $t.position().left;
|
||
}
|
||
var p = x / $bar.width();
|
||
var v = 1-Math.ceil((states.length - 1) * (1 - p));
|
||
render(get(v));
|
||
});
|
||
$loadMore = $(_loadMore).click(function () {
|
||
loadMore(function () {
|
||
get(c);
|
||
});
|
||
});
|
||
|
||
var onKeyDown, onKeyUp;
|
||
var closeUI = function () {
|
||
History.state = false;
|
||
$hist.hide();
|
||
$bottom.show();
|
||
$cke.show();
|
||
$(window).trigger('resize');
|
||
$(window).off('keydown', onKeyDown);
|
||
$(window).off('keyup', onKeyUp);
|
||
};
|
||
|
||
// Version buttons
|
||
$prev.click(function () { render(get(c - 1)); });
|
||
$next.click(function () { render(get(c + 1)); });
|
||
if (config.drive) {
|
||
$fastPrev.click(function () { render(get(c - 10)); });
|
||
$fastNext.click(function () { render(get(c + 10)); });
|
||
$userPrev.click(function () { render(get(c - 10)); });
|
||
$userNext.click(function () { render(get(c + 10)); });
|
||
} else {
|
||
$userPrev.click(function () { render(get(c - 1, false, 1)); });
|
||
$userNext.click(function () { render(get(c + 1, false, 1)); });
|
||
$fastPrev.click(function () { render(get(c - 1, false, 2)); });
|
||
$fastNext.click(function () { render(get(c + 1, false, 2)); });
|
||
}
|
||
onKeyDown = function (e) {
|
||
var p = function () { e.preventDefault(); };
|
||
if (e.which === 39) { p(); return $next.click(); } // Right
|
||
if (e.which === 37) { p(); return $prev.click(); } // Left
|
||
if (e.which === 38) { p(); return $userNext.click(); } // Up
|
||
if (e.which === 40) { p(); return $userPrev.click(); } // Down
|
||
if (e.which === 33) { p(); return $fastNext.click(); } // PageUp
|
||
if (e.which === 34) { p(); return $fastPrev.click(); } // PageUp
|
||
if (e.which === 27) { p(); $(close).click(); }
|
||
};
|
||
onKeyUp = function (e) { e.stopPropagation(); };
|
||
$(window).on('keydown', onKeyDown).on('keyup', onKeyUp).focus();
|
||
|
||
// Snapshots
|
||
$(snapshot).click(function () {
|
||
var input = h('input', {
|
||
placeholder: Messages.snapshots_placeholder
|
||
});
|
||
var $input = $(input);
|
||
var content = h('div', [
|
||
h('h5', Messages.snapshots_new),
|
||
input
|
||
]);
|
||
|
||
var buttons = [{
|
||
className: 'cancel',
|
||
name: Messages.filePicker_close,
|
||
onClick: function () {},
|
||
keys: [27],
|
||
}, {
|
||
className: 'primary',
|
||
iconClass: '.fa.fa-camera',
|
||
name: Messages.snapshots_new,
|
||
onClick: function () {
|
||
var val = $input.val();
|
||
if (!val) { return true; }
|
||
makeSnapshot(val, $input);
|
||
},
|
||
keys: [],
|
||
}];
|
||
|
||
UI.openCustomModal(UI.dialog.customModal(content, {buttons: buttons }));
|
||
setTimeout(function () {
|
||
$input.focus();
|
||
});
|
||
});
|
||
|
||
// Share
|
||
$(share).click(function () {
|
||
var block = get(c, true);
|
||
common.getSframeChannel().event('EV_SHARE_OPEN', {
|
||
versionHash: block.serverHash,
|
||
//title: title
|
||
});
|
||
});
|
||
|
||
// Close & restore buttons
|
||
$(close).click(function () {
|
||
states = [];
|
||
onClose();
|
||
closeUI();
|
||
});
|
||
$(restore).click(function () {
|
||
var restorePrompt = config.drive ? Messages.history_restoreDrivePrompt
|
||
: Messages.history_restorePrompt;
|
||
UI.confirm(restorePrompt, function (yes) {
|
||
if (!yes) { return; }
|
||
var done = onRevert();
|
||
if (done) {
|
||
closeUI();
|
||
var restoreDone = config.drive ? Messages.history_restoreDriveDone
|
||
: Messages.history_restoreDone;
|
||
UI.log(restoreDone);
|
||
}
|
||
});
|
||
});
|
||
|
||
// Display the latest content
|
||
render(get(c));
|
||
$(window).trigger('resize');
|
||
};
|
||
|
||
if (config.onOpen) {
|
||
config.onOpen();
|
||
}
|
||
|
||
// Load all the history messages into a new chainpad object
|
||
loadMoreHistory(config, common, function (err, newRt, isFull) {
|
||
History.readOnly = common.getMetadataMgr().getPrivateData().readOnly;
|
||
History.loading = false;
|
||
if (err) { throw new Error(err); }
|
||
update(newRt);
|
||
display();
|
||
if (isFull) {
|
||
$loadMore.off('click').hide();
|
||
}
|
||
});
|
||
};
|
||
|
||
return History;
|
||
});
|
||
|
||
|