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159 lines
4.9 KiB
159 lines
4.9 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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exports.convertHiddenOptions = function(timeline) {
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var hiddenTimes = timeline.options.hide;
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if (Array.isArray(hiddenTimes) == true) {
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for (var i = 0; i < hiddenTimes.length; i++) {
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var dateItem = {};
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dateItem.start = moment(hiddenTimes[i].start).toDate().valueOf();
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dateItem.end = moment(hiddenTimes[i].end).toDate().valueOf();
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timeline.body.hiddenDates.push(dateItem);
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}
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timeline.body.hiddenDates.sort(function(a,b) {return a.start - b.start;}); // sort by start time
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}
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else {
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timeline.body.hiddenDates = [{
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start:moment(hiddenTimes.start).toDate().valueOf(),
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end:moment(hiddenTimes.end).toDate().valueOf()
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}
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];
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}
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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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timeStep.current = moment(endDate).toDate();
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}
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}
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exports.toScreen = function(timeline, time, width) {
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var hidden = exports.isHidden(time, timeline.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 res = exports.correctTimeForDuration(timeline.body.hiddenDates, timeline.range, time);
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var duration = res.duration;
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time = res.time;
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var conversion = timeline.range.conversion(width, duration);
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return (time.valueOf() - conversion.offset) * conversion.scale;
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}
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exports.toTime = function(body, range, x, width) {
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var duration = exports.getHiddenDuration(body.hiddenDates, range);
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var conversion = range.conversion(width, duration);
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var time = new Date(x / conversion.scale + conversion.offset);
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//var hidden = exports.isHidden(time, timeline.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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//time = exports.correctTimeForDuration(body.hiddenDates, range, time).time;
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return time;
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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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exports.correctTimeForDuration = function(hiddenTimes, range, time) {
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var duration = 0;
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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 < 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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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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time -= timeOffset;
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return {duration: duration, time:time, offset: timeOffset};
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}
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exports.snapAwayFromHidden = function(hiddenTimes, range, start, end, delta, zoom) {
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zoom = zoom || false;
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var newStart = start;
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var newEnd = end;
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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 (start >= startDate && start < endDate) { // if the start is entering a hidden zone
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range.deltaDifference += delta;
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if (range.previousDelta - delta > 0 && zoom == false || zoom == true && range.previousDelta - delta < 0) { // from the left
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console.log("start from left, snap to right")
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newStart = endDate + 1;
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}
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else { // from the right
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console.log("start from right, snap to left")
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newStart = startDate - 1;
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}
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return {newStart: newStart, newEnd: newEnd};
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}
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else if (end >= startDate && end < endDate) { // if the start is entering a hidden zone
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range.deltaDifference += delta;
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if (range.previousDelta - delta < 0) { // from the right
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console.log("end from right, snap to left")
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newEnd = startDate - 1;
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}
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else { // from the left
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console.log("end from left, snap to right")
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newEnd = endDate + 1;
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}
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return {newStart: newStart, newEnd: newEnd};
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}
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}
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return false;
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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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