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/* *
* (c) 2010-2019 Torstein Honsi
*
* License: www.highcharts.com/license
*/
'use strict';
import H from './Globals.js';
import './Utilities.js';
import './Point.js';
var Point = H.Point,
seriesType = H.seriesType,
seriesTypes = H.seriesTypes;
/**
* The ohlc series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.ohlc
*
* @augments Highcharts.Series
*/
seriesType(
'ohlc',
'column'
/**
* An OHLC chart is a style of financial chart used to describe price
* movements over time. It displays open, high, low and close values per
* data point.
*
* @sample stock/demo/ohlc/
* OHLC chart
*
* @extends plotOptions.column
* @excluding borderColor, borderRadius, borderWidth, crisp, stacking,
* stack
* @product highstock
* @optionparent plotOptions.ohlc
*/
, {
/**
* The approximate pixel width of each group. If for example a series
* with 30 points is displayed over a 600 pixel wide plot area, no
* grouping is performed. If however the series contains so many points
* that the spacing is less than the groupPixelWidth, Highcharts will
* try to group it into appropriate groups so that each is more or less
* two pixels wide. Defaults to `5`.
*
* @type {number}
* @default 5
* @product highstock
* @apioption plotOptions.ohlc.dataGrouping.groupPixelWidth
*/
/**
* The pixel width of the line/border. Defaults to `1`.
*
* @sample {highstock} stock/plotoptions/ohlc-linewidth/
* A greater line width
*
* @type {number}
* @default 1
* @product highstock
*
* @private
*/
lineWidth: 1,
tooltip: {
pointFormat: '<span style="color:{point.color}">\u25CF</span> ' +
'<b> {series.name}</b><br/>' +
'Open: {point.open}<br/>' +
'High: {point.high}<br/>' +
'Low: {point.low}<br/>' +
'Close: {point.close}<br/>'
},
threshold: null,
states: {
/**
* @extends plotOptions.column.states.hover
* @product highstock
*/
hover: {
/**
* The pixel width of the line representing the OHLC point.
*
* @type {number}
* @default 3
* @product highstock
*/
lineWidth: 3
}
},
/**
* Determines which one of `open`, `high`, `low`, `close` values should
* be represented as `point.y`, which is later used to set dataLabel
* position and [compare](#plotOptions.series.compare).
*
* @sample {highstock} stock/plotoptions/ohlc-pointvalkey/
* Possible values
*
* @type {string}
* @default close
* @validvalue ["open", "high", "low", "close"]
* @product highstock
* @apioption plotOptions.ohlc.pointValKey
*/
/**
* Line color for up points.
*
* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
* @product highstock
* @apioption plotOptions.ohlc.upColor
*/
stickyTracking: true
},
/**
* @lends Highcharts.seriesTypes.ohlc
*/
{
directTouch: false,
pointArrayMap: ['open', 'high', 'low', 'close'],
toYData: function (point) {
// return a plain array for speedy calculation
return [point.open, point.high, point.low, point.close];
},
pointValKey: 'close',
pointAttrToOptions: {
'stroke': 'color',
'stroke-width': 'lineWidth'
},
/**
* @private
* @function Highcarts.seriesTypes.ohlc#init
*/
init: function () {
seriesTypes.column.prototype.init.apply(this, arguments);
this.options.stacking = false; // #8817
},
/**
* Postprocess mapping between options and SVG attributes
*
* @private
* @function Highcharts.seriesTypes.ohlc#pointAttribs
*
* @param {Highcharts.Point} point
*
* @param {string} state
*
* @return {Highcharts.Dictionary<*>}
*/
pointAttribs: function (point, state) {
var attribs = seriesTypes.column.prototype.pointAttribs.call(
this,
point,
state
),
options = this.options;
delete attribs.fill;
if (
!point.options.color &&
options.upColor &&
point.open < point.close
) {
attribs.stroke = options.upColor;
}
return attribs;
},
/**
* Translate data points from raw values x and y to plotX and plotY
*
* @private
* @function Highcharts.seriesTypes.ohlc#translate
*/
translate: function () {
var series = this,
yAxis = series.yAxis,
hasModifyValue = !!series.modifyValue,
translated = [
'plotOpen',
'plotHigh',
'plotLow',
'plotClose',
'yBottom'
]; // translate OHLC for
seriesTypes.column.prototype.translate.apply(series);
// Do the translation
series.points.forEach(function (point) {
[point.open, point.high, point.low, point.close, point.low]
.forEach(
function (value, i) {
if (value !== null) {
if (hasModifyValue) {
value = series.modifyValue(value);
}
point[translated[i]] =
yAxis.toPixels(value, true);
}
}
);
// Align the tooltip to the high value to avoid covering the
// point
point.tooltipPos[1] =
point.plotHigh + yAxis.pos - series.chart.plotTop;
});
},
/**
* Draw the data points
*
* @private
* @function Highcharts.seriesTypes.ohlc#drawPoints
*/
drawPoints: function () {
var series = this,
points = series.points,
chart = series.chart;
points.forEach(function (point) {
var plotOpen,
plotClose,
crispCorr,
halfWidth,
path,
graphic = point.graphic,
crispX,
isNew = !graphic;
if (point.plotY !== undefined) {
// Create and/or update the graphic
if (!graphic) {
point.graphic = graphic = chart.renderer.path()
.add(series.group);
}
if (!chart.styledMode) {
graphic.attr(
series.pointAttribs(
point, point.selected && 'select'
)
); // #3897
}
// crisp vector coordinates
crispCorr = (graphic.strokeWidth() % 2) / 2;
crispX = Math.round(point.plotX) - crispCorr; // #2596
halfWidth = Math.round(point.shapeArgs.width / 2);
// the vertical stem
path = [
'M',
crispX, Math.round(point.yBottom),
'L',
crispX, Math.round(point.plotHigh)
];
// open
if (point.open !== null) {
plotOpen = Math.round(point.plotOpen) + crispCorr;
path.push(
'M',
crispX,
plotOpen,
'L',
crispX - halfWidth,
plotOpen
);
}
// close
if (point.close !== null) {
plotClose = Math.round(point.plotClose) + crispCorr;
path.push(
'M',
crispX,
plotClose,
'L',
crispX + halfWidth,
plotClose
);
}
graphic[isNew ? 'attr' : 'animate']({ d: path })
.addClass(point.getClassName(), true);
}
});
},
animate: null // Disable animation
},
/**
* @lends Highcharts.seriesTypes.ohlc.prototype.pointClass.prototype
*/
{
/**
* Extend the parent method by adding up or down to the class name.
*
* @private
* @function Highcharts.seriesTypes.ohlc#getClassName
*/
getClassName: function () {
return Point.prototype.getClassName.call(this) +
(
this.open < this.close ?
' highcharts-point-up' :
' highcharts-point-down'
);
}
}
);
/**
* A `ohlc` series. If the [type](#series.ohlc.type) option is not
* specified, it is inherited from [chart.type](#chart.type).
*
* @extends series,plotOptions.ohlc
* @excluding dataParser, dataURL
* @product highstock
* @apioption series.ohlc
*/
/**
* An array of data points for the series. For the `ohlc` series type,
* points can be given in the following ways:
*
* 1. An array of arrays with 5 or 4 values. In this case, the values correspond
* to `x,open,high,low,close`. If the first value is a string, it is applied
* as the name of the point, and the `x` value is inferred. The `x` value can
* also be omitted, in which case the inner arrays should be of length 4\.
* Then the `x` value is automatically calculated, either starting at 0 and
* incremented by 1, or from `pointStart` and `pointInterval` given in the
* series options.
* ```js
* data: [
* [0, 6, 5, 6, 7],
* [1, 9, 4, 8, 2],
* [2, 6, 3, 4, 10]
* ]
* ```
*
* 2. An array of objects with named values. The following snippet shows only a
* few settings, see the complete options set below. If the total number of
* data points exceeds the series'
* [turboThreshold](#series.ohlc.turboThreshold), this option is not
* available.
* ```js
* data: [{
* x: 1,
* open: 3,
* high: 4,
* low: 5,
* close: 2,
* name: "Point2",
* color: "#00FF00"
* }, {
* x: 1,
* open: 4,
* high: 3,
* low: 6,
* close: 7,
* name: "Point1",
* color: "#FF00FF"
* }]
* ```
*
* @type {Array<Array<(number|string),number,number,number>|Array<(number|string),number,number,number,number>|*>}
* @extends series.arearange.data
* @excluding y, marker
* @product highstock
* @apioption series.ohlc.data
*/
/**
* The closing value of each data point.
*
* @type {number}
* @product highstock
* @apioption series.ohlc.data.close
*/
/**
* The opening value of each data point.
*
* @type {number}
* @product highstock
* @apioption series.ohlc.data.open
*/