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/* *
* (c) 2010-2019 Torstein Honsi
*
* License: www.highcharts.com/license
*/
'use strict';
import H from './Globals.js';
import './Utilities.js';
var defaultPlotOptions = H.defaultPlotOptions,
merge = H.merge,
seriesType = H.seriesType,
seriesTypes = H.seriesTypes;
/**
* A candlestick chart is a style of financial chart used to describe price
* movements over time.
*
* @sample stock/demo/candlestick/
* Candlestick chart
*
* @extends plotOptions.ohlc
* @excluding borderColor,borderRadius,borderWidth
* @product highstock
* @optionparent plotOptions.candlestick
*/
var candlestickOptions = {
/**
* The specific line color for up candle sticks. The default is to inherit
* the general `lineColor` setting.
*
* @sample {highstock} stock/plotoptions/candlestick-linecolor/
* Candlestick line colors
*
* @type {Highcharts.ColorString}
* @since 1.3.6
* @product highstock
* @apioption plotOptions.candlestick.upLineColor
*/
/**
* @type {Highcharts.DataGroupingApproximationValue|Function}
* @default ohlc
* @product highstock
* @apioption plotOptions.candlestick.dataGrouping.approximation
*/
states: {
/**
* @extends plotOptions.column.states.hover
* @product highstock
*/
hover: {
/**
* The pixel width of the line/border around the candlestick.
*
* @product highstock
*/
lineWidth: 2
}
},
/**
* @extends plotOptions.ohlc.tooltip
*/
tooltip: defaultPlotOptions.ohlc.tooltip,
/**
* @type {number|null}
* @product highstock
*/
threshold: null,
/**
* The color of the line/border of the candlestick.
*
* In styled mode, the line stroke can be set with the
* `.highcharts-candlestick-series .highcahrts-point` rule.
*
* @see [upLineColor](#plotOptions.candlestick.upLineColor)
*
* @sample {highstock} stock/plotoptions/candlestick-linecolor/
* Candlestick line colors
*
* @type {Highcharts.ColorString}
* @default #000000
* @product highstock
*/
lineColor: '#000000',
/**
* The pixel width of the candlestick line/border. Defaults to `1`.
*
*
* In styled mode, the line stroke width can be set with the
* `.highcharts-candlestick-series .highcahrts-point` rule.
*
* @product highstock
*/
lineWidth: 1,
/**
* The fill color of the candlestick when values are rising.
*
* In styled mode, the up color can be set with the
* `.highcharts-candlestick-series .highcharts-point-up` rule.
*
* @sample {highstock} stock/plotoptions/candlestick-color/
* Custom colors
* @sample {highstock} highcharts/css/candlestick/
* Colors in styled mode
*
* @type {Highcharts.ColorString|Highcharts.GradientColorObject|Highcharts.PatternObject}
* @default #ffffff
* @product highstock
*/
upColor: '#ffffff',
/**
* @product highstock
*/
stickyTracking: true
};
/**
* The candlestick series type.
*
* @private
* @class
* @name Highcharts.seriesTypes.candlestick
*
* @augments Highcharts.seriesTypes.ohlc
*/
seriesType(
'candlestick',
'ohlc',
merge(
defaultPlotOptions.column,
candlestickOptions
),
/**
* @lends seriesTypes.candlestick
*/
{
/**
* Postprocess mapping between options and SVG attributes
*
* @private
* @function Highcharts.seriesTypes.candlestick#pointAttribs
*
* @param {Highcharts.Point} point
*
* @param {string} [state]
*
* @return {Highcharts.SVGAttributes}
*/
pointAttribs: function (point, state) {
var attribs = seriesTypes.column.prototype.pointAttribs.call(
this,
point,
state
),
options = this.options,
isUp = point.open < point.close,
stroke = options.lineColor || this.color,
stateOptions;
attribs['stroke-width'] = options.lineWidth;
attribs.fill = point.options.color ||
(isUp ? (options.upColor || this.color) : this.color);
attribs.stroke = point.lineColor ||
(isUp ? (options.upLineColor || stroke) : stroke);
// Select or hover states
if (state) {
stateOptions = options.states[state];
attribs.fill = stateOptions.color || attribs.fill;
attribs.stroke = stateOptions.lineColor || attribs.stroke;
attribs['stroke-width'] =
stateOptions.lineWidth || attribs['stroke-width'];
}
return attribs;
},
/**
* Draw the data points.
*
* @private
* @function Highcharts.seriesTypes.candlestick#drawPoints
*/
drawPoints: function () {
var series = this,
points = series.points,
chart = series.chart,
reversedYAxis = series.yAxis.reversed;
points.forEach(function (point) {
var graphic = point.graphic,
plotOpen,
plotClose,
topBox,
bottomBox,
hasTopWhisker,
hasBottomWhisker,
crispCorr,
crispX,
path,
halfWidth,
isNew = !graphic;
if (point.plotY !== undefined) {
if (!graphic) {
point.graphic = graphic = chart.renderer.path()
.add(series.group);
}
if (!series.chart.styledMode) {
graphic
.attr(
series.pointAttribs(
point,
point.selected && 'select'
)
) // #3897
.shadow(series.options.shadow);
}
// Crisp vector coordinates
crispCorr = (graphic.strokeWidth() % 2) / 2;
crispX = Math.round(point.plotX) - crispCorr; // #2596
plotOpen = point.plotOpen;
plotClose = point.plotClose;
topBox = Math.min(plotOpen, plotClose);
bottomBox = Math.max(plotOpen, plotClose);
halfWidth = Math.round(point.shapeArgs.width / 2);
hasTopWhisker = reversedYAxis ?
bottomBox !== point.yBottom :
Math.round(topBox) !== Math.round(point.plotHigh);
hasBottomWhisker = reversedYAxis ?
Math.round(topBox) !== Math.round(point.plotHigh) :
bottomBox !== point.yBottom;
topBox = Math.round(topBox) + crispCorr;
bottomBox = Math.round(bottomBox) + crispCorr;
// Create the path. Due to a bug in Chrome 49, the path is
// first instanciated with no values, then the values
// pushed. For unknown reasons, instanciating the path array
// with all the values would lead to a crash when updating
// frequently (#5193).
path = [];
path.push(
'M',
crispX - halfWidth, bottomBox,
'L',
crispX - halfWidth, topBox,
'L',
crispX + halfWidth, topBox,
'L',
crispX + halfWidth, bottomBox,
'Z', // Ensure a nice rectangle #2602
'M',
crispX, topBox,
'L',
// #460, #2094
crispX, hasTopWhisker ?
Math.round(
reversedYAxis ? point.yBottom : point.plotHigh
) :
topBox,
'M',
crispX, bottomBox,
'L',
// #460, #2094
crispX, hasBottomWhisker ?
Math.round(
reversedYAxis ? point.plotHigh : point.yBottom
) :
bottomBox
);
graphic[isNew ? 'attr' : 'animate']({ d: path })
.addClass(point.getClassName(), true);
}
});
}
}
);
/**
* A `candlestick` series. If the [type](#series.candlestick.type)
* option is not specified, it is inherited from [chart.type](
* #chart.type).
*
* @type {*}
* @extends series,plotOptions.candlestick
* @excluding dataParser, dataURL
* @product highstock
* @apioption series.candlestick
*/
/**
* An array of data points for the series. For the `candlestick` 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, 7, 2, 0, 4],
* [1, 1, 4, 2, 8],
* [2, 3, 3, 9, 3]
* ]
* ```
*
* 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.candlestick.turboThreshold), this option is not
* available.
* ```js
* data: [{
* x: 1,
* open: 9,
* high: 2,
* low: 4,
* close: 6,
* name: "Point2",
* color: "#00FF00"
* }, {
* x: 1,
* open: 1,
* high: 4,
* low: 7,
* close: 7,
* name: "Point1",
* color: "#FF00FF"
* }]
* ```
*
* @type {Array<Array<(number|string),number,number,number>|Array<(number|string),number,number,number,number>|*>}
* @extends series.ohlc.data
* @excluding y
* @product highstock
* @apioption series.candlestick.data
*/