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512 lines
16 KiB
512 lines
16 KiB
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/**
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* used in Core to convert the options into a volatile variable
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*
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* @param {function} moment
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* @param {Object} body
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* @param {Array | Object} hiddenDates
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* @returns {number}
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*/
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exports.convertHiddenOptions = function(moment, body, hiddenDates) {
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if (hiddenDates && !Array.isArray(hiddenDates)) {
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return exports.convertHiddenOptions(moment, body, [hiddenDates])
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}
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body.hiddenDates = [];
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if (hiddenDates) {
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if (Array.isArray(hiddenDates) == true) {
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for (var i = 0; i < hiddenDates.length; i++) {
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if (hiddenDates[i].repeat === undefined) {
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var dateItem = {};
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dateItem.start = moment(hiddenDates[i].start).toDate().valueOf();
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dateItem.end = moment(hiddenDates[i].end).toDate().valueOf();
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body.hiddenDates.push(dateItem);
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}
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}
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body.hiddenDates.sort(function (a, b) {
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return a.start - b.start;
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}); // sort by start time
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}
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}
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};
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/**
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* create new entrees for the repeating hidden dates
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*
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* @param {function} moment
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* @param {Object} body
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* @param {Array | Object} hiddenDates
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* @returns {null}
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*/
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exports.updateHiddenDates = function (moment, body, hiddenDates) {
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if (hiddenDates && !Array.isArray(hiddenDates)) {
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return exports.updateHiddenDates(moment, body, [hiddenDates])
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}
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if (hiddenDates && body.domProps.centerContainer.width !== undefined) {
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exports.convertHiddenOptions(moment, body, hiddenDates);
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var start = moment(body.range.start);
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var end = moment(body.range.end);
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var totalRange = (body.range.end - body.range.start);
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var pixelTime = totalRange / body.domProps.centerContainer.width;
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for (var i = 0; i < hiddenDates.length; i++) {
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if (hiddenDates[i].repeat !== undefined) {
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var startDate = moment(hiddenDates[i].start);
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var endDate = moment(hiddenDates[i].end);
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if (startDate._d == "Invalid Date") {
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throw new Error("Supplied start date is not valid: " + hiddenDates[i].start);
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}
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if (endDate._d == "Invalid Date") {
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throw new Error("Supplied end date is not valid: " + hiddenDates[i].end);
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}
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var duration = endDate - startDate;
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if (duration >= 4 * pixelTime) {
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var offset = 0;
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var runUntil = end.clone();
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switch (hiddenDates[i].repeat) {
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case "daily": // case of time
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if (startDate.day() != endDate.day()) {
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offset = 1;
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}
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startDate.dayOfYear(start.dayOfYear());
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startDate.year(start.year());
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startDate.subtract(7,'days');
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endDate.dayOfYear(start.dayOfYear());
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endDate.year(start.year());
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endDate.subtract(7 - offset,'days');
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runUntil.add(1, 'weeks');
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break;
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case "weekly":
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var dayOffset = endDate.diff(startDate,'days');
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var day = startDate.day();
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// set the start date to the range.start
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startDate.date(start.date());
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startDate.month(start.month());
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startDate.year(start.year());
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endDate = startDate.clone();
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// force
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startDate.day(day);
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endDate.day(day);
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endDate.add(dayOffset,'days');
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startDate.subtract(1,'weeks');
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endDate.subtract(1,'weeks');
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runUntil.add(1, 'weeks');
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break;
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case "monthly":
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if (startDate.month() != endDate.month()) {
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offset = 1;
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}
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startDate.month(start.month());
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startDate.year(start.year());
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startDate.subtract(1,'months');
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endDate.month(start.month());
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endDate.year(start.year());
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endDate.subtract(1,'months');
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endDate.add(offset,'months');
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runUntil.add(1, 'months');
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break;
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case "yearly":
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if (startDate.year() != endDate.year()) {
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offset = 1;
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}
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startDate.year(start.year());
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startDate.subtract(1,'years');
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endDate.year(start.year());
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endDate.subtract(1,'years');
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endDate.add(offset,'years');
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runUntil.add(1, 'years');
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break;
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default:
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console.log("Wrong repeat format, allowed are: daily, weekly, monthly, yearly. Given:", hiddenDates[i].repeat);
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return;
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}
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while (startDate < runUntil) {
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body.hiddenDates.push({start: startDate.valueOf(), end: endDate.valueOf()});
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switch (hiddenDates[i].repeat) {
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case "daily":
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startDate.add(1, 'days');
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endDate.add(1, 'days');
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break;
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case "weekly":
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startDate.add(1, 'weeks');
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endDate.add(1, 'weeks');
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break;
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case "monthly":
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startDate.add(1, 'months');
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endDate.add(1, 'months');
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break;
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case "yearly":
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startDate.add(1, 'y');
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endDate.add(1, 'y');
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break;
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default:
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console.log("Wrong repeat format, allowed are: daily, weekly, monthly, yearly. Given:", hiddenDates[i].repeat);
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return;
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}
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}
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body.hiddenDates.push({start: startDate.valueOf(), end: endDate.valueOf()});
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}
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}
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}
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// remove duplicates, merge where possible
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exports.removeDuplicates(body);
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// ensure the new positions are not on hidden dates
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var startHidden = exports.isHidden(body.range.start, body.hiddenDates);
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var endHidden = exports.isHidden(body.range.end,body.hiddenDates);
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var rangeStart = body.range.start;
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var rangeEnd = body.range.end;
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if (startHidden.hidden == true) {rangeStart = body.range.startToFront == true ? startHidden.startDate - 1 : startHidden.endDate + 1;}
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if (endHidden.hidden == true) {rangeEnd = body.range.endToFront == true ? endHidden.startDate - 1 : endHidden.endDate + 1;}
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if (startHidden.hidden == true || endHidden.hidden == true) {
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body.range._applyRange(rangeStart, rangeEnd);
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}
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}
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};
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/**
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* remove duplicates from the hidden dates list. Duplicates are evil. They mess everything up.
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* Scales with N^2
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*
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* @param {Object} body
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*/
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exports.removeDuplicates = function(body) {
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var hiddenDates = body.hiddenDates;
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var safeDates = [];
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for (var i = 0; i < hiddenDates.length; i++) {
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for (var j = 0; j < hiddenDates.length; j++) {
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if (i != j && hiddenDates[j].remove != true && hiddenDates[i].remove != true) {
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// j inside i
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if (hiddenDates[j].start >= hiddenDates[i].start && hiddenDates[j].end <= hiddenDates[i].end) {
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hiddenDates[j].remove = true;
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}
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// j start inside i
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else if (hiddenDates[j].start >= hiddenDates[i].start && hiddenDates[j].start <= hiddenDates[i].end) {
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hiddenDates[i].end = hiddenDates[j].end;
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hiddenDates[j].remove = true;
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}
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// j end inside i
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else if (hiddenDates[j].end >= hiddenDates[i].start && hiddenDates[j].end <= hiddenDates[i].end) {
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hiddenDates[i].start = hiddenDates[j].start;
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hiddenDates[j].remove = true;
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}
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}
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}
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}
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for (i = 0; i < hiddenDates.length; i++) {
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if (hiddenDates[i].remove !== true) {
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safeDates.push(hiddenDates[i]);
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}
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}
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body.hiddenDates = safeDates;
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body.hiddenDates.sort(function (a, b) {
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return a.start - b.start;
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}); // sort by start time
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};
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exports.printDates = function(dates) {
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for (var i =0; i < dates.length; i++) {
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console.log(i, new Date(dates[i].start),new Date(dates[i].end), dates[i].start, dates[i].end, dates[i].remove);
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}
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};
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/**
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* Used in TimeStep to avoid the hidden times.
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* @param {function} moment
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* @param {TimeStep} timeStep
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* @param {Date} previousTime
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*/
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exports.stepOverHiddenDates = function(moment, timeStep, previousTime) {
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var stepInHidden = false;
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var currentValue = timeStep.current.valueOf();
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for (var i = 0; i < timeStep.hiddenDates.length; i++) {
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var startDate = timeStep.hiddenDates[i].start;
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var endDate = timeStep.hiddenDates[i].end;
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if (currentValue >= startDate && currentValue < endDate) {
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stepInHidden = true;
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break;
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}
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}
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if (stepInHidden == true && currentValue < timeStep._end.valueOf() && currentValue != previousTime) {
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var prevValue = moment(previousTime);
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var newValue = moment(endDate);
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//check if the next step should be major
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if (prevValue.year() != newValue.year()) {timeStep.switchedYear = true;}
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else if (prevValue.month() != newValue.month()) {timeStep.switchedMonth = true;}
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else if (prevValue.dayOfYear() != newValue.dayOfYear()) {timeStep.switchedDay = true;}
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timeStep.current = newValue;
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}
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};
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///**
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// * Used in TimeStep to avoid the hidden times.
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// * @param timeStep
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// * @param previousTime
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// */
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//exports.checkFirstStep = function(timeStep) {
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// var stepInHidden = false;
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// var currentValue = timeStep.current.valueOf();
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// for (var i = 0; i < timeStep.hiddenDates.length; i++) {
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// var startDate = timeStep.hiddenDates[i].start;
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// var endDate = timeStep.hiddenDates[i].end;
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// if (currentValue >= startDate && currentValue < endDate) {
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// stepInHidden = true;
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// break;
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// }
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// }
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//
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// if (stepInHidden == true && currentValue <= timeStep._end.valueOf()) {
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// var newValue = moment(endDate);
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// timeStep.current = newValue.toDate();
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// }
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//};
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/**
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* replaces the Core toScreen methods
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*
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* @param {vis.Core} Core
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* @param {Date} time
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* @param {number} width
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* @returns {number}
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*/
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exports.toScreen = function (Core, time, width) {
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var conversion;
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if (Core.body.hiddenDates.length == 0) {
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conversion = Core.range.conversion(width);
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return (time.valueOf() - conversion.offset) * conversion.scale;
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} else {
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var hidden = exports.isHidden(time, Core.body.hiddenDates);
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if (hidden.hidden == true) {
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time = hidden.startDate;
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}
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var duration = exports.getHiddenDurationBetween(Core.body.hiddenDates, Core.range.start, Core.range.end);
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if (time < Core.range.start) {
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conversion = Core.range.conversion(width, duration);
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var hiddenBeforeStart = exports.getHiddenDurationBeforeStart(Core.body.hiddenDates, time, conversion.offset);
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time = Core.options.moment(time).toDate().valueOf();
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time = time + hiddenBeforeStart;
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return -(conversion.offset - time.valueOf()) * conversion.scale;
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} else if (time > Core.range.end) {
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var rangeAfterEnd = {start: Core.range.start, end: time};
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time = exports.correctTimeForHidden(Core.options.moment, Core.body.hiddenDates, rangeAfterEnd, time);
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conversion = Core.range.conversion(width, duration);
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return (time.valueOf() - conversion.offset) * conversion.scale;
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} else {
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time = exports.correctTimeForHidden(Core.options.moment, Core.body.hiddenDates, Core.range, time);
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conversion = Core.range.conversion(width, duration);
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return (time.valueOf() - conversion.offset) * conversion.scale;
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}
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}
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};
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/**
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* Replaces the core toTime methods
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*
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* @param {vis.Core} Core
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* @param {number} x
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* @param {number} width
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* @returns {Date}
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*/
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exports.toTime = function(Core, x, width) {
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if (Core.body.hiddenDates.length == 0) {
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var conversion = Core.range.conversion(width);
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return new Date(x / conversion.scale + conversion.offset);
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}
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else {
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var hiddenDuration = exports.getHiddenDurationBetween(Core.body.hiddenDates, Core.range.start, Core.range.end);
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var totalDuration = Core.range.end - Core.range.start - hiddenDuration;
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var partialDuration = totalDuration * x / width;
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var accumulatedHiddenDuration = exports.getAccumulatedHiddenDuration(Core.body.hiddenDates, Core.range, partialDuration);
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return new Date(accumulatedHiddenDuration + partialDuration + Core.range.start);
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}
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};
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/**
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* Support function
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*
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* @param {Array.<{start: Window.start, end: *}>} hiddenDates
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* @param {number} start
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* @param {number} end
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* @returns {number}
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*/
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exports.getHiddenDurationBetween = function(hiddenDates, start, end) {
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var duration = 0;
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for (var i = 0; i < hiddenDates.length; i++) {
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var startDate = hiddenDates[i].start;
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var endDate = hiddenDates[i].end;
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// if time after the cutout, and the
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if (startDate >= start && endDate < end) {
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duration += endDate - startDate;
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}
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}
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return duration;
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};
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/**
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* Support function
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*
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* @param {Array.<{start: Window.start, end: *}>} hiddenDates
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* @param {number} start
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* @param {number} end
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* @returns {number}
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*/
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exports.getHiddenDurationBeforeStart = function (hiddenDates, start, end) {
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var duration = 0;
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for (var i = 0; i < hiddenDates.length; i++) {
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var startDate = hiddenDates[i].start;
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var endDate = hiddenDates[i].end;
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if (startDate >= start && endDate <= end) {
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duration += endDate - startDate;
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}
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}
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return duration;
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};
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/**
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* Support function
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* @param {function} moment
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* @param {Array.<{start: Window.start, end: *}>} hiddenDates
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* @param {{start: number, end: number}} range
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* @param {Date} time
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* @returns {number}
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*/
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exports.correctTimeForHidden = function(moment, hiddenDates, range, time) {
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time = moment(time).toDate().valueOf();
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time -= exports.getHiddenDurationBefore(moment, hiddenDates,range,time);
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return time;
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};
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exports.getHiddenDurationBefore = function(moment, hiddenDates, range, time) {
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var timeOffset = 0;
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time = moment(time).toDate().valueOf();
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for (var i = 0; i < hiddenDates.length; i++) {
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var startDate = hiddenDates[i].start;
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var endDate = hiddenDates[i].end;
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// if time after the cutout, and the
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if (startDate >= range.start && endDate < range.end) {
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if (time >= endDate) {
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timeOffset += (endDate - startDate);
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}
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}
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}
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return timeOffset;
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};
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/**
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* sum the duration from start to finish, including the hidden duration,
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* until the required amount has been reached, return the accumulated hidden duration
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* @param {Array.<{start: Window.start, end: *}>} hiddenDates
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* @param {{start: number, end: number}} range
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* @param {number} [requiredDuration=0]
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* @returns {number}
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*/
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exports.getAccumulatedHiddenDuration = function(hiddenDates, range, requiredDuration) {
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var hiddenDuration = 0;
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var duration = 0;
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var previousPoint = range.start;
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//exports.printDates(hiddenDates)
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for (var i = 0; i < hiddenDates.length; i++) {
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var startDate = hiddenDates[i].start;
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var endDate = hiddenDates[i].end;
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// if time after the cutout, and the
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if (startDate >= range.start && endDate < range.end) {
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duration += startDate - previousPoint;
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previousPoint = endDate;
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if (duration >= requiredDuration) {
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break;
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}
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else {
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hiddenDuration += endDate - startDate;
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}
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}
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}
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return hiddenDuration;
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};
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/**
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* used to step over to either side of a hidden block. Correction is disabled on tablets, might be set to true
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* @param {Array.<{start: Window.start, end: *}>} hiddenDates
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* @param {Date} time
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* @param {number} direction
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* @param {boolean} correctionEnabled
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* @returns {Date|number}
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*/
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exports.snapAwayFromHidden = function(hiddenDates, time, direction, correctionEnabled) {
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var isHidden = exports.isHidden(time, hiddenDates);
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if (isHidden.hidden == true) {
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if (direction < 0) {
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if (correctionEnabled == true) {
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return isHidden.startDate - (isHidden.endDate - time) - 1;
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}
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else {
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return isHidden.startDate - 1;
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}
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}
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else {
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if (correctionEnabled == true) {
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return isHidden.endDate + (time - isHidden.startDate) + 1;
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}
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else {
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return isHidden.endDate + 1;
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}
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}
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}
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else {
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return time;
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}
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};
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/**
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* Check if a time is hidden
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*
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* @param {Date} time
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* @param {Array.<{start: Window.start, end: *}>} hiddenDates
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* @returns {{hidden: boolean, startDate: Window.start, endDate: *}}
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*/
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exports.isHidden = function(time, hiddenDates) {
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for (var i = 0; i < hiddenDates.length; i++) {
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var startDate = hiddenDates[i].start;
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var endDate = hiddenDates[i].end;
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if (time >= startDate && time < endDate) { // if the start is entering a hidden zone
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return {hidden: true, startDate: startDate, endDate: endDate};
|
|
}
|
|
}
|
|
return {hidden: false, startDate: startDate, endDate: endDate};
|
|
};
|