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449 lines
13 KiB
449 lines
13 KiB
/**
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* Created by Alex on 10/3/2014.
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*/
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var moment = require('../module/moment');
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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 Core
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*/
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exports.convertHiddenOptions = function(body, hiddenDates) {
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var specificHiddenDates = hiddenDates.specific;
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if (specificHiddenDates) {
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if (Array.isArray(specificHiddenDates) == true) {
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for (var i = 0; i < specificHiddenDates.length; i++) {
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var dateItem = {};
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dateItem.start = moment(specificHiddenDates[i].start).toDate().valueOf();
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dateItem.end = moment(specificHiddenDates[i].end).toDate().valueOf();
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body.hiddenDates.push(dateItem);
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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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else {
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body.hiddenDates = [{
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start: moment(specificHiddenDates.start).toDate().valueOf(),
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end: moment(specificHiddenDates.end).toDate().valueOf()
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}
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];
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}
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}
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// allowing multiple input formats
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var periodicHiddenDates = hiddenDates.periodic;
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if (periodicHiddenDates) {
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if (periodicHiddenDates.times) {
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if (Array.isArray(periodicHiddenDates.times) != true) {
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periodicHiddenDates.times = [periodicHiddenDates.times];
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}
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}
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if (periodicHiddenDates.days) {
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if (Array.isArray(periodicHiddenDates.days) != true) {
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periodicHiddenDates.days = [periodicHiddenDates.days];
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}
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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 periodic hidden dates
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* @param body
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* @param hiddenDates
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*/
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exports.updateHiddenDates = function (body, hiddenDates) {
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if (hiddenDates && hiddenDates.periodic && body.domProps.centerContainer.width !== undefined) {
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body.hiddenDates = [];
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exports.convertHiddenOptions(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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if (hiddenDates.periodic.days) {
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var nextStartDay = moment(body.range.start);
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var nextEndDay = moment(body.range.start);
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for (var i = 0; i < hiddenDates.periodic.days.length; i++) {
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var startDay = hiddenDates.periodic.days[i].start;
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var endDay = hiddenDates.periodic.days[i].end;
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nextStartDay.isoWeekday(startDay);
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nextEndDay.isoWeekday(endDay);
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if (start < nextStartDay) {
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nextStartDay.isoWeekday(startDay - 7);
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}
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if (start < nextEndDay) {
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nextEndDay.isoWeekday(endDay - 7);
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}
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nextStartDay.milliseconds(0);
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nextStartDay.seconds(0);
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nextStartDay.minutes(0);
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nextStartDay.hours(0);
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nextEndDay.milliseconds(0);
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nextEndDay.seconds(0);
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nextEndDay.minutes(0);
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nextEndDay.hours(0);
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if (nextEndDay < nextStartDay) {
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nextEndDay.isoWeekday(endDay + 7);
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}
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var duration = nextEndDay - nextStartDay;
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if (duration < 4 * pixelTime) {
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break;
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}
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else {
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while (nextStartDay < end) {
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body.hiddenDates.push({start: nextStartDay.valueOf(), end: nextEndDay.valueOf()});
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nextStartDay.isoWeekday(startDay + 7);
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nextEndDay.isoWeekday(endDay + 7);
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}
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body.hiddenDates.push({start: nextStartDay.valueOf(), end: nextEndDay.valueOf()});
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}
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}
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}
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if (hiddenDates.periodic.times) {
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var nextStartDay = moment(body.range.start);
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var nextEndDay = moment(body.range.start);
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end = end.valueOf();
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for (var i = 0; i < hiddenDates.periodic.times.length; i++) {
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var startTime = hiddenDates.periodic.times[i].start.split(":");
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var endTime = hiddenDates.periodic.times[i].end.split(":");
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nextStartDay.milliseconds(0);
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nextStartDay.seconds(startTime[2]);
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nextStartDay.minutes(startTime[1]);
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nextStartDay.hours(startTime[0]);
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nextEndDay.milliseconds(0);
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nextEndDay.seconds(endTime[2]);
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nextEndDay.minutes(endTime[1]);
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nextEndDay.hours(endTime[0]);
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nextStartDay = nextStartDay.valueOf();
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nextEndDay = nextEndDay.valueOf();
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if (endTime[0] < startTime[0]) {
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nextEndDay += 3600000*24;
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}
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var duration = nextEndDay - nextStartDay;
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if (duration < 4 * pixelTime) {
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break;
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}
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else {
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nextStartDay -= 7*3600000*24;
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nextEndDay -= 7*3600000*24;
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while (nextStartDay < (end + 7*3600000*24)) {
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body.hiddenDates.push({start: nextStartDay.valueOf(), end: nextEndDay.valueOf()});
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nextStartDay += 3600000*24;
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nextEndDay += 3600000*24;
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}
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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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* @param 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 (var 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 timeStep
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* @param previousTime
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*/
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exports.stepOverHiddenDates = function(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.toDate();
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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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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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* @param Core
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* @param time
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* @param 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 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.getHiddenDuration(Core.body.hiddenDates, Core.range);
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time = exports.correctTimeForHidden(Core.body.hiddenDates, Core.range, time);
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var 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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* Replaces the core toTime methods
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* @param body
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* @param range
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* @param x
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* @param width
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* @returns {Date}
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*/
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exports.toTime = function(body, range, x, width) {
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var hiddenDuration = exports.getHiddenDuration(body.hiddenDates, range);
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var totalDuration = range.end - range.start - hiddenDuration;
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var partialDuration = totalDuration * x / width;
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var accumulatedHiddenDuration = exports.getAccumulatedHiddenDuration(body.hiddenDates,range, partialDuration);
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var newTime = new Date(accumulatedHiddenDuration + partialDuration + range.start);
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return newTime;
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};
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/**
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* Support function
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*
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* @param hiddenTimes
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* @param range
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* @returns {number}
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*/
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exports.getHiddenDuration = function(hiddenTimes, range) {
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var duration = 0;
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for (var i = 0; i < hiddenTimes.length; i++) {
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var startDate = hiddenTimes[i].start;
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var endDate = hiddenTimes[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 += 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 hiddenDates
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* @param range
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* @param time
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* @returns {{duration: number, time: *, offset: number}}
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*/
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exports.correctTimeForHidden = function(hiddenDates, range, time) {
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time = moment(time).toDate().valueOf();
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time -= exports.getHiddenDurationBefore(hiddenDates,range,time);
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return time;
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};
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exports.getHiddenDurationBefore = function(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 hiddenDates
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* @param range
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* @param time
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* @returns {{duration: number, time: *, offset: 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 hiddenTimes
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* @param time
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* @param direction
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* @param correctionEnabled
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* @returns {*}
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*/
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exports.snapAwayFromHidden = function(hiddenTimes, time, direction, correctionEnabled) {
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var isHidden = exports.isHidden(time, hiddenTimes);
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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 time
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* @param hiddenTimes
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* @returns {{hidden: boolean, startDate: Window.start, endDate: *}}
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*/
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exports.isHidden = function(time, hiddenTimes) {
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var isHidden = false;
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for (var i = 0; i < hiddenTimes.length; i++) {
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var startDate = hiddenTimes[i].start;
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var endDate = hiddenTimes[i].end;
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if (time >= startDate && time < endDate) { // if the start is entering a hidden zone
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isHidden = true;
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break;
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}
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}
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return {hidden: isHidden, startDate: startDate, endDate: endDate};
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}
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