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/**
* @license Highcharts JS v7.1.1 (2019-04-09)
*
* Indicator series type for Highstock
*
* (c) 2010-2019 Sebastian Bochan
*
* License: www.highcharts.com/license
*/
'use strict';
(function (factory) {
if (typeof module === 'object' && module.exports) {
factory['default'] = factory;
module.exports = factory;
} else if (typeof define === 'function' && define.amd) {
define('highcharts/indicators/ichimoku-kinko-hyo', ['highcharts', 'highcharts/modules/stock'], function (Highcharts) {
factory(Highcharts);
factory.Highcharts = Highcharts;
return factory;
});
} else {
factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
}
}(function (Highcharts) {
var _modules = Highcharts ? Highcharts._modules : {};
function _registerModule(obj, path, args, fn) {
if (!obj.hasOwnProperty(path)) {
obj[path] = fn.apply(null, args);
}
}
_registerModule(_modules, 'indicators/ichimoku-kinko-hyo.src.js', [_modules['parts/Globals.js']], function (H) {
/* *
*
* License: www.highcharts.com/license
*
* */
var UNDEFINED,
seriesType = H.seriesType,
merge = H.merge,
color = H.color,
isArray = H.isArray,
defined = H.defined,
SMA = H.seriesTypes.sma;
// Utils:
function maxHigh(arr) {
return arr.reduce(function (max, res) {
return Math.max(max, res[1]);
}, -Infinity);
}
function minLow(arr) {
return arr.reduce(function (min, res) {
return Math.min(min, res[2]);
}, Infinity);
}
function highlowLevel(arr) {
return {
high: maxHigh(arr),
low: minLow(arr)
};
}
function getClosestPointRange(axis) {
var closestDataRange,
loopLength,
distance,
xData,
i;
axis.series.forEach(function (series) {
if (series.xData) {
xData = series.xData;
loopLength = series.xIncrement ? 1 : xData.length - 1;
for (i = loopLength; i > 0; i--) {
distance = xData[i] - xData[i - 1];
if (
closestDataRange === UNDEFINED ||
distance < closestDataRange
) {
closestDataRange = distance;
}
}
}
});
return closestDataRange;
}
// Check two lines intersection (line a1-a2 and b1-b2)
// Source: https://en.wikipedia.org/wiki/Line%E2%80%93line_intersection
function checkLineIntersection(a1, a2, b1, b2) {
if (a1 && a2 && b1 && b2) {
var saX = a2.plotX - a1.plotX, // Auxiliary section a2-a1 X
saY = a2.plotY - a1.plotY, // Auxiliary section a2-a1 Y
sbX = b2.plotX - b1.plotX, // Auxiliary section b2-b1 X
sbY = b2.plotY - b1.plotY, // Auxiliary section b2-b1 Y
sabX = a1.plotX - b1.plotX, // Auxiliary section a1-b1 X
sabY = a1.plotY - b1.plotY, // Auxiliary section a1-b1 Y
// First degree Bézier parameters
u,
t;
u = (-saY * sabX + saX * sabY) / (-sbX * saY + saX * sbY);
t = (sbX * sabY - sbY * sabX) / (-sbX * saY + saX * sbY);
if (u >= 0 && u <= 1 && t >= 0 && t <= 1) {
return {
plotX: a1.plotX + (t * saX),
plotY: a1.plotY + (t * saY)
};
}
}
return false;
}
// Parameter opt (indicator options object) include indicator, points,
// nextPoints, color, options, gappedExtend and graph properties
function drawSenkouSpan(opt) {
var indicator = opt.indicator;
indicator.points = opt.points;
indicator.nextPoints = opt.nextPoints;
indicator.color = opt.color;
indicator.options = merge(opt.options.senkouSpan.styles, opt.gap);
indicator.graph = opt.graph;
indicator.fillGraph = true;
SMA.prototype.drawGraph.call(indicator);
}
// Data integrity in Ichimoku is different than default "averages":
// Point: [undefined, value, value, ...] is correct
// Point: [undefined, undefined, undefined, ...] is incorrect
H.approximations['ichimoku-averages'] = function () {
var ret = [],
isEmptyRange;
[].forEach.call(arguments, function (arr, i) {
ret.push(H.approximations.average(arr));
isEmptyRange = !isEmptyRange && ret[i] === undefined;
});
// Return undefined when first elem. is undefined and let
// sum method handle null (#7377)
return isEmptyRange ? undefined : ret;
};
/**
* The IKH series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.ikh
*
* @augments Highcharts.Series
*/
seriesType(
'ikh',
'sma',
/**
* Ichimoku Kinko Hyo (IKH). This series requires `linkedTo` option to be
* set.
*
* @sample stock/indicators/ichimoku-kinko-hyo
* Ichimoku Kinko Hyo indicator
*
* @extends plotOptions.sma
* @since 6.0.0
* @excluding allAreas, colorAxis, compare, compareBase, joinBy, keys,
* navigatorOptions, pointInterval, pointIntervalUnit,
* pointPlacement, pointRange, pointStart, showInNavigator,
* stacking
* @product highstock
* @optionparent plotOptions.ikh
*/
{
params: {
period: 26,
/**
* The base period for Tenkan calculations.
*/
periodTenkan: 9,
/**
* The base period for Senkou Span B calculations
*/
periodSenkouSpanB: 52
},
marker: {
enabled: false
},
tooltip: {
pointFormat: '<span style="color:{point.color}">\u25CF</span> <b> {series.name}</b><br/>' +
'TENKAN SEN: {point.tenkanSen:.3f}<br/>' +
'KIJUN SEN: {point.kijunSen:.3f}<br/>' +
'CHIKOU SPAN: {point.chikouSpan:.3f}<br/>' +
'SENKOU SPAN A: {point.senkouSpanA:.3f}<br/>' +
'SENKOU SPAN B: {point.senkouSpanB:.3f}<br/>'
},
/**
* The styles for Tenkan line
*/
tenkanLine: {
styles: {
/**
* Pixel width of the line.
*/
lineWidth: 1,
/**
* Color of the line.
*
* @type {Highcharts.ColorString}
*/
lineColor: undefined
}
},
/**
* The styles for Kijun line
*/
kijunLine: {
styles: {
/**
* Pixel width of the line.
*/
lineWidth: 1,
/**
* Color of the line.
*
* @type {Highcharts.ColorString}
*/
lineColor: undefined
}
},
/**
* The styles for Chikou line
*/
chikouLine: {
styles: {
/**
* Pixel width of the line.
*/
lineWidth: 1,
/**
* Color of the line.
*
* @type {Highcharts.ColorString}
*/
lineColor: undefined
}
},
/**
* The styles for Senkou Span A line
*/
senkouSpanA: {
styles: {
/**
* Pixel width of the line.
*/
lineWidth: 1,
/**
* Color of the line.
*
* @type {Highcharts.ColorString}
*/
lineColor: undefined
}
},
/**
* The styles for Senkou Span B line
*/
senkouSpanB: {
styles: {
/**
* Pixel width of the line.
*/
lineWidth: 1,
/**
* Color of the line.
*
* @type {Highcharts.ColorString}
*/
lineColor: undefined
}
},
/**
* The styles for area between Senkou Span A and B.
*/
senkouSpan: {
/**
* Color of the area between Senkou Span A and B,
* when Senkou Span A is above Senkou Span B. Note that if
* a `style.fill` is defined, the `color` takes precedence and
* the `style.fill` is ignored.
*
* @see [senkouSpan.styles.fill](#series.ikh.senkouSpan.styles.fill)
*
* @sample stock/indicators/ichimoku-kinko-hyo
* Ichimoku Kinko Hyo color
*
* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
* @since 7.0.0
* @apioption plotOptions.ikh.senkouSpan.color
*/
/**
* Color of the area between Senkou Span A and B,
* when Senkou Span A is under Senkou Span B.
*
* @sample stock/indicators/ikh-negative-color
* Ichimoku Kinko Hyo negativeColor
*
* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
* @since 7.0.0
* @apioption plotOptions.ikh.senkouSpan.negativeColor
*/
styles: {
/**
* Color of the area between Senkou Span A and B.
*
* @deprecated
* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
*/
fill: 'rgba(255, 0, 0, 0.5)'
}
},
dataGrouping: {
approximation: 'ichimoku-averages'
}
},
/**
* @lends Highcharts.Series#
*/
{
pointArrayMap: [
'tenkanSen',
'kijunSen',
'chikouSpan',
'senkouSpanA',
'senkouSpanB'
],
pointValKey: 'tenkanSen',
nameComponents: ['periodSenkouSpanB', 'period', 'periodTenkan'],
init: function () {
SMA.prototype.init.apply(this, arguments);
// Set default color for lines:
this.options = merge({
tenkanLine: {
styles: {
lineColor: this.color
}
},
kijunLine: {
styles: {
lineColor: this.color
}
},
chikouLine: {
styles: {
lineColor: this.color
}
},
senkouSpanA: {
styles: {
lineColor: this.color,
fill: color(this.color).setOpacity(0.5).get()
}
},
senkouSpanB: {
styles: {
lineColor: this.color,
fill: color(this.color).setOpacity(0.5).get()
}
},
senkouSpan: {
styles: {
fill: color(this.color).setOpacity(0.2).get()
}
}
}, this.options);
},
toYData: function (point) {
return [
point.tenkanSen,
point.kijunSen,
point.chikouSpan,
point.senkouSpanA,
point.senkouSpanB
];
},
translate: function () {
var indicator = this;
SMA.prototype.translate.apply(indicator);
indicator.points.forEach(function (point) {
indicator.pointArrayMap.forEach(function (value) {
if (defined(point[value])) {
point['plot' + value] = indicator.yAxis.toPixels(
point[value],
true
);
// Add extra parameters for support tooltip in moved
// lines
point.plotY = point['plot' + value];
point.tooltipPos = [point.plotX, point['plot' + value]];
point.isNull = false;
}
});
});
},
// One does not simply
// Render five lines
// And an arearange
// In just one series..
drawGraph: function () {
var indicator = this,
mainLinePoints = indicator.points,
pointsLength = mainLinePoints.length,
mainLineOptions = indicator.options,
mainLinePath = indicator.graph,
mainColor = indicator.color,
gappedExtend = {
options: {
gapSize: mainLineOptions.gapSize
}
},
pointArrayMapLength = indicator.pointArrayMap.length,
allIchimokuPoints = [[], [], [], [], [], []],
ikhMap = {
tenkanLine: allIchimokuPoints[0],
kijunLine: allIchimokuPoints[1],
chikouLine: allIchimokuPoints[2],
senkouSpanA: allIchimokuPoints[3],
senkouSpanB: allIchimokuPoints[4],
senkouSpan: allIchimokuPoints[5]
},
intersectIndexColl = [],
senkouSpanOptions = indicator.options.senkouSpan,
color = senkouSpanOptions.color ||
senkouSpanOptions.styles.fill,
negativeColor = senkouSpanOptions.negativeColor,
// Points to create color and negativeColor senkouSpan
points = [
[], // Points color
[] // Points negative color
],
// For span, we need an access to the next points, used in
// getGraphPath()
nextPoints = [
[], // NextPoints color
[] // NextPoints negative color
],
lineIndex = 0,
position,
point,
i,
startIntersect,
endIntersect,
sectionPoints,
sectionNextPoints,
pointsPlotYSum,
nextPointsPlotYSum,
senkouSpanTempColor,
concatArrIndex,
j,
k;
indicator.ikhMap = ikhMap;
// Generate points for all lines and spans lines:
while (pointsLength--) {
point = mainLinePoints[pointsLength];
for (i = 0; i < pointArrayMapLength; i++) {
position = indicator.pointArrayMap[i];
if (defined(point[position])) {
allIchimokuPoints[i].push({
plotX: point.plotX,
plotY: point['plot' + position],
isNull: false
});
}
}
if (negativeColor &&
pointsLength !== mainLinePoints.length - 1) {
// Check if lines intersect
var index = ikhMap.senkouSpanB.length - 1,
intersect = checkLineIntersection(
ikhMap.senkouSpanA[index - 1],
ikhMap.senkouSpanA[index],
ikhMap.senkouSpanB[index - 1],
ikhMap.senkouSpanB[index]
),
intersectPointObj = {
plotX: intersect.plotX,
plotY: intersect.plotY,
isNull: false,
intersectPoint: true
};
if (intersect) {
// Add intersect point to ichimoku points collection
// Create senkouSpan sections
ikhMap.senkouSpanA.splice(index, 0, intersectPointObj);
ikhMap.senkouSpanB.splice(index, 0, intersectPointObj);
intersectIndexColl.push(index);
}
}
}
// Modify options and generate lines:
H.objectEach(ikhMap, function (values, lineName) {
if (mainLineOptions[lineName] && lineName !== 'senkouSpan') {
// First line is rendered by default option
indicator.points = allIchimokuPoints[lineIndex];
indicator.options = merge(
mainLineOptions[lineName].styles,
gappedExtend
);
indicator.graph = indicator['graph' + lineName];
indicator.fillGraph = false;
indicator.color = mainColor;
SMA.prototype.drawGraph.call(indicator);
// Now save line
indicator['graph' + lineName] = indicator.graph;
}
lineIndex++;
});
// Generate senkouSpan area:
// If graphColection exist then remove svg
// element and indicator property
if (indicator.graphCollection) {
indicator.graphCollection.forEach(function (graphName) {
indicator[graphName].destroy();
delete indicator[graphName];
});
}
// Clean grapCollection or initialize it
indicator.graphCollection = [];
// When user set negativeColor property
if (
negativeColor &&
ikhMap.senkouSpanA[0] &&
ikhMap.senkouSpanB[0]) {
// Add first and last point to senkouSpan area sections
intersectIndexColl.unshift(0);
intersectIndexColl.push(ikhMap.senkouSpanA.length - 1);
// Populate points and nextPoints arrays
for (j = 0; j < intersectIndexColl.length - 1; j++) {
startIntersect = intersectIndexColl[j];
endIntersect = intersectIndexColl[j + 1];
sectionPoints = ikhMap.senkouSpanB.slice(
startIntersect, endIntersect + 1
);
sectionNextPoints = ikhMap.senkouSpanA.slice(
startIntersect, endIntersect + 1
);
// Add points to color or negativeColor arrays
// Check the middle point (if exist)
if (Math.floor(sectionPoints.length / 2) >= 1) {
var x = Math.floor(sectionPoints.length / 2);
// When middle points has equal values
// Compare all ponints plotY value sum
if (
sectionPoints[x].plotY ===
sectionNextPoints[x].plotY
) {
pointsPlotYSum = 0;
nextPointsPlotYSum = 0;
for (k = 0; k < sectionPoints.length; k++) {
pointsPlotYSum +=
sectionPoints[k].plotY;
nextPointsPlotYSum +=
sectionNextPoints[k].plotY;
}
concatArrIndex =
pointsPlotYSum > nextPointsPlotYSum ? 0 : 1;
points[concatArrIndex] =
points[concatArrIndex].concat(sectionPoints);
nextPoints[concatArrIndex] =
nextPoints[concatArrIndex].concat(
sectionNextPoints
);
} else {
// Compare middle point of the section
concatArrIndex =
sectionPoints[x].plotY >
sectionNextPoints[x].plotY ?
0 : 1;
points[concatArrIndex] =
points[concatArrIndex].concat(sectionPoints);
nextPoints[concatArrIndex] =
nextPoints[concatArrIndex].concat(
sectionNextPoints
);
}
} else {
// Compare first point of the section
concatArrIndex =
sectionPoints[0].plotY >
sectionNextPoints[0].plotY ?
0 : 1;
points[concatArrIndex] =
points[concatArrIndex].concat(sectionPoints);
nextPoints[concatArrIndex] =
nextPoints[concatArrIndex].concat(
sectionNextPoints
);
}
}
// Render color and negativeColor paths
[
'graphsenkouSpanColor', 'graphsenkouSpanNegativeColor'
].forEach(
function (areaName, i) {
if (points[i].length && nextPoints[i].length) {
senkouSpanTempColor = (i === 0) ?
color : negativeColor;
drawSenkouSpan({
indicator: indicator,
points: points[i],
nextPoints: nextPoints[i],
color: senkouSpanTempColor,
options: mainLineOptions,
gap: gappedExtend,
graph: indicator[areaName]
});
// Now save line
indicator[areaName] = indicator.graph;
indicator.graphCollection.push(areaName);
}
}
);
} else {
// When user set only senkouSpan style.fill property
drawSenkouSpan({
indicator: indicator,
points: ikhMap.senkouSpanB,
nextPoints: ikhMap.senkouSpanA,
color: color,
options: mainLineOptions,
gap: gappedExtend,
graph: indicator.graphsenkouSpan
});
// Now save line
indicator.graphsenkouSpan = indicator.graph;
}
// Clean temporary properties:
delete indicator.nextPoints;
delete indicator.fillGraph;
// Restore options and draw the Tenkan line:
indicator.points = mainLinePoints;
indicator.options = mainLineOptions;
indicator.graph = mainLinePath;
},
getGraphPath: function (points) {
var indicator = this,
path = [],
spanA,
fillArray = [],
spanAarr = [];
points = points || this.points;
// Render Senkou Span
if (indicator.fillGraph && indicator.nextPoints) {
spanA = SMA.prototype.getGraphPath.call(
indicator,
// Reverse points, so Senkou Span A will start from the end:
indicator.nextPoints
);
spanA[0] = 'L';
path = SMA.prototype.getGraphPath.call(
indicator,
points
);
spanAarr = spanA.slice(0, path.length);
for (var i = (spanAarr.length - 1); i > 0; i -= 3) {
fillArray.push(
spanAarr[i - 2],
spanAarr[i - 1],
spanAarr[i]
);
}
path = path.concat(fillArray);
} else {
path = SMA.prototype.getGraphPath.apply(indicator, arguments);
}
return path;
},
getValues: function (series, params) {
var period = params.period,
periodTenkan = params.periodTenkan,
periodSenkouSpanB = params.periodSenkouSpanB,
xVal = series.xData,
yVal = series.yData,
xAxis = series.xAxis,
yValLen = (yVal && yVal.length) || 0,
closestPointRange = getClosestPointRange(xAxis),
IKH = [],
xData = [],
dateStart,
date,
slicedTSY,
slicedKSY,
slicedSSBY,
pointTS,
pointKS,
pointSSB,
i,
TS,
KS,
CS,
SSA,
SSB;
// Ikh requires close value
if (
xVal.length <= period ||
!isArray(yVal[0]) ||
yVal[0].length !== 4
) {
return false;
}
// Add timestamps at the beginning
dateStart = xVal[0] - (period * closestPointRange);
for (i = 0; i < period; i++) {
xData.push(dateStart + i * closestPointRange);
}
for (i = 0; i < yValLen; i++) {
// Tenkan Sen
if (i >= periodTenkan) {
slicedTSY = yVal.slice(i - periodTenkan, i);
pointTS = highlowLevel(slicedTSY);
TS = (pointTS.high + pointTS.low) / 2;
}
if (i >= period) {
slicedKSY = yVal.slice(i - period, i);
pointKS = highlowLevel(slicedKSY);
KS = (pointKS.high + pointKS.low) / 2;
SSA = (TS + KS) / 2;
}
if (i >= periodSenkouSpanB) {
slicedSSBY = yVal.slice(i - periodSenkouSpanB, i);
pointSSB = highlowLevel(slicedSSBY);
SSB = (pointSSB.high + pointSSB.low) / 2;
}
CS = yVal[i][3];
date = xVal[i];
if (IKH[i] === UNDEFINED) {
IKH[i] = [];
}
if (IKH[i + period] === UNDEFINED) {
IKH[i + period] = [];
}
IKH[i + period][0] = TS;
IKH[i + period][1] = KS;
IKH[i + period][2] = UNDEFINED;
IKH[i][2] = CS;
if (i <= period) {
IKH[i + period][3] = UNDEFINED;
IKH[i + period][4] = UNDEFINED;
}
if (IKH[i + 2 * period] === UNDEFINED) {
IKH[i + 2 * period] = [];
}
IKH[i + 2 * period][3] = SSA;
IKH[i + 2 * period][4] = SSB;
xData.push(date);
}
// Add timestamps for further points
for (i = 1; i <= period; i++) {
xData.push(date + i * closestPointRange);
}
return {
values: IKH,
xData: xData,
yData: IKH
};
}
}
);
/**
* A `IKH` series. If the [type](#series.ikh.type) option is not
* specified, it is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.ikh
* @since 6.0.0
* @product highstock
* @excluding dataParser, dataURL
* @apioption series.ikh
*/
});
_registerModule(_modules, 'masters/indicators/ichimoku-kinko-hyo.src.js', [], function () {
});
}));